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Institution

Harbor Capital Advisors, Inc.

13F for September 30, 2026, filed October 22, 2026 · SEC CIK 1039128 · Holdings history from December 31, 2021

Reported value
—
87% in companies we cover
Positions we cover
1,373
Largest MSFT 2.1%
Copy, a year
+6.6%
S&P 500 +13.7%
Copy Sharpe ratio
0.21
S&P 500 0.61

Copy-performance statistics: February 11, 2022 to November 2, 2026. Holdings history can start earlier than the price data used for performance.

Historical holdings

Holdings across the available history, including securities outside our stock coverage. Select a date to view the holdings for that period.

Related reporting managers

SEC notices identify these reporting relationships. Each manager retains its own holdings history; changes in reporting scope can involve several managers.

1,445 reported entries for September 30, 2026.

IssuerClass / typeReported valueQuantity
Nasdaq Inc631103108 · NDAQ COM $782 8,503
Natera Inc632307104 · NTRA COM $770 1,863
Nathan's Famous Inc632347100 · NATH COM $4 44
National Bank Holdings Corp633707104 · NBHC COM $21 533
National Bankshares Inc634865109 · NKSH COM $4 104
National Beverage Corp635017106 · FIZZ COM $15 524
National CineMedia Inc635309206 · NCMI COM $633 282,687
National Energy Services ReuniG6375R107 · NESR COM $18 712
National HealthCare Corp635906100 · NHC COM $17 77
Natural Grocers by Vitamin Cot63888U108 · NGVC COM $5 165
Nature's Sunshine Products Inc639027101 · NATR COM $3 240
Navient Corp63938C108 · NAVI COM $189 20,798
Navitas Semiconductor Corp63942X106 · NVTS COM $219 18,888
NBT Bancorp Inc628778102 · NBTB COM $27 539
nCino Inc63947X101 · NCNO COM $385 21,241
NCR Voyix Corp62886E108 · VYX COM $1,929 282,007
Nebius Group NVN97284108 · NBIS COM $106 450
Nelnet Inc64031N108 · NNI COM $51 413
NeoGenomics Inc64049M209 · NEO COM $3,213 174,981
NerdWallet Inc64082B102 · NRDS COM $30 3,450
NetApp Inc64110D104 · NTAP COM $139 663
Netflix Inc64110L106 · NFLX COM $10,776 154,878
NetScout Systems Inc64115T104 · NTCT COM $775 19,299
NETSTREIT Corp64119V303 · NTST COM $8 464
New Jersey Resources Corp646025106 · NJR COM $30 594
New York Times Co/The650111107 · NYT COM $789 12,392
NewMarket Corp651587107 · NEU COM $30 33
News Corp65249B109 · NWSA COM $73 2,546
Nexa Resources SAL67359106 · NEXA COM $11 862
Nexpoint Real Estate Finance I65342V101 · NREF COM $3 222
NextEra Energy Inc65339F101 · NEE COM $167 2,202
Nextpower Inc65290E101 · NXT COM $3,161 40,560
Nexxen International LtdM8T80P204 · NEXN COM $5 552
Nicolet Bankshares Inc65406E102 · NIC COM $20 121
NIKE Inc654106103 · NKE COM $847 23,924
NiSource Inc65473P105 · NI COM $66 1,704
NLI Holdings Inc629156407 · NL COM $3 370
NMI Holdings Inc629209305 · NMIH COM $34 923
Noble Corp PLCG65431127 · NE COM $43 1,025
Nordson Corp655663102 · NDSN COM $852 2,598
Northern Oil & Gas Inc665531307 · NOG COM $45 1,983
Northrop Grumman Corp666807102 · NOC COM $1,159 2,398
Northwest Natural Holding Co66765N105 · NWN COM $12 265
Northwestern Energy Group Inc668074305 · NWE COM $748 10,942
Norwood Financial Corp669549107 · NWFL COM $3 101
NOV Inc62955J103 · NOV COM $848 45,257
Novanta Inc67000B104 · NOVT COM $3,925 27,602
NPK International Inc651718504 · NPKI COM $2,025 177,357
Nu Skin Enterprises Inc67018T105 · NUS COM $2 424
Nucor Corp670346105 · NUE COM $2,090 8,940
NuScale Power Corp67079K100 · SMR COM $12 1,498
Nutex Health Inc67079U306 · NUTX COM $6 29
NVE Corp629445206 · NVEC COM $36 323
nVent Electric PLCG6700G107 · NVT COM $19 117
NVIDIA Corp67066G104 · NVDA COM $29,286 128,233
NWPX Infrastructure Inc667746101 · NWPX COM $11 109
O-I Glass Inc67098H104 · OI COM $31 5,470
Oak Valley Bancorp671807105 · OVLY COM $10 306
Occidental Petroleum Corp674599105 · OXY COM $1,127 20,377
Oceaneering International Inc675232102 · OII COM $3,563 81,668
OceanFirst Financial Corp675234108 · OCFC COM $476 28,812
Octave Specialty Group Inc023139884 · OSG COM $17 4,044
OFG Bancorp67103X102 · OFG COM $36 722
OGE Energy Corp670837103 · OGE COM $3,096 68,154
Oklo Inc02156V109 · OKLO COM $69 1,854
Okta Inc679295105 · OKTA COM $7 34
Old National Bancorp/IN680033107 · ONB COM $99 4,037
Old Second Bancorp Inc680277100 · OSBC COM $5 197
Olin Corp680665205 · OLN COM $2,258 145,655
Omega Flex Inc682095104 · OFLX COM $3 103
Omnicell Inc68213N109 · OMCL COM $392 11,502
On Holding AGH5919C104 · ONON COM $5 184
ON Semiconductor Corp682189105 · ON COM $220 2,862
Ondas Inc68236H204 · ONDS COM $5 651
ONE Gas Inc68235P108 · OGS COM $23 317
One Liberty Properties Inc682406103 · OLP COM $5 205
OneSpan Inc68287N100 · OSPN COM $157 8,778
OneSpaWorld Holdings LtdP73684113 · OSW COM $2,317 103,036
Onity Group Inc675746606 · ONIT COM $13 444
Onterris Inc615111101 · ONT COM $584 43,660
Oportun Financial Corp68376D104 · OPRT COM $82 10,069
OppFi Inc68386H103 · OPFI COM $14 2,302
Optimum Communications Inc02156K103 · OPTU COM $12 12,563
Option Care Health Inc68404L201 · OPCH COM $15 685
Oracle Corp68389X105 · ORCL COM $564 4,105
Orange County Bancorp Inc68417L107 · OBT COM $8 207
Organon & Co68622V106 · OGN COM $3,391 247,526
Origin Bancorp Inc68621T102 COM $509 9,735
Orion SAL72967109 · OEC COM $4 633
OrthoPediatrics Corp68752L100 · KIDS COM $3,819 171,482
Oscar Health Inc687793109 · OSCR COM $26 840
OSI Systems Inc671044105 · OSIS COM $11 59
Otis Worldwide Corp68902V107 · OTIS COM $5 73
Otter Tail Corp689648103 · OTTR COM $28 318
Ouster Inc68989M202 · OUST COM $13 329
Ovintiv Inc69047Q102 · OVV COM $662 11,443
Owens Corning690742101 · OC COM $24 202
Owlet Inc69120X206 · OWLT COM $2,066 392,687
Oxford Industries Inc691497309 · OXM COM $6 259
Pacira BioSciences Inc695127100 · PCRX COM $3 106

Values use the units disclosed in the source. Where a dollar scale cannot be established, the original amount is shown as filed. Rows may include separate allocations, options and principal amounts; these are kept separate from the covered-stock portfolio used for performance.

How copying its 13F would have done

$10.0k$20.0k 20222023202420252026 $18.3k$13.5k
CopyS&P 500 $10,000 copying Harbor Capital Advisors, Inc.'s usable filed holdings in companies we cover from February 11, 2022, rebalancing at the first weekly close after each usable filing and holding until the next, against the S&P 500 (total return). Missing prices carry their last observed value. Marked weekly, log scale. Before costs and taxes; misses trading within each quarter and anything 13F does not show (shorts, cash, bonds, non-US holdings).

Biggest drop −38.2% (S&P 500 −20.5%); beta 1.27; alpha −7.6% a year (t = −1.41); last 12 months +16.3% against +12.1%.

Reported value by quarter

Harbor Capital Advisors, Inc.: 13F reported value Total reported value where the source's dollar units can be established. Earlier filings in thousands of dollars are converted; dates with unresolved value units are omitted.
$0 $200M $400M $600M Reported value, 2021-12-31: $274.7M Reported value, 2022-03-31: $212.2M Reported value, 2022-06-30: $131.4M Reported value, 2022-09-30: $108.9M Reported value, 2022-12-31: $103.1M Reported value, 2023-03-31: $346.7M Reported value, 2023-06-30: $500M Reported value, 2023-09-30: $467.7M Reported value, 2023-12-31: $520.2M 2021-12-31 2022-06-30 2022-12-31 2023-06-30 2023-12-31 $520.2M
View chart data
Period Reported value
2021-12-31 $274.7M
2022-03-31 $212.2M
2022-06-30 $131.4M
2022-09-30 $108.9M
2022-12-31 $103.1M
2023-03-31 $346.7M
2023-06-30 $500M
2023-09-30 $467.7M
2023-12-31 $520.2M

Latest covered holdings and moves

Covered holdings as of September 30, 2026.

CompanyShare of portfolioValueSharesChange in shares
MSFTMicrosoft Corporation2.06%—59.2K+6.7% Added
AMZNAmazon2.02%—120.1K+7.2% Added
NVDANVIDIA Corporation1.98%—128.2K+4.9% Added
AAPLApple Inc.1.98%—87.9K+0.4%
GOOGLAlphabet Inc. (Class A)1.86%—80.0K+8.5% Added
METAMeta Platforms1.75%—35.7K+2.6% Added
JPMJPMorgan Chase1.01%—45.2K+0.4%
CSCOCisco1.01%—138.7K+0.3%
LLYLilly (Eli)0.81%—10.3K+0.4%
SIMOSilicon Motion Technology Corp0.80%—42.4K−1.3% Reduced
NFLXNetflix0.73%—154.9K+0.4%
CVXChevron Corporation0.73%—52.6K+6.1% Added
CRMSalesforce0.59%—37.9K+6.9% Added
KLACKLA Corporation0.58%—44.2K+0.4%
MRVLMarvell Technology0.58%—32.5K+10.1% Added
LAURLaureate Education, Inc.0.52%—202.3K+6.2% Added
AVTAvnet Inc0.52%—77.1K−6.1% Reduced
MAMastercard0.51%—13.6K+0.6% Added
FIBKFirst Interstate Bancsystem Inc0.50%—207.3K+4.1% Added
JNJJohnson & Johnson0.50%—27.9K−0.9% Reduced
ANETArista Networks0.49%—35.7K+1.1% Added
COSTCostco0.49%—7.9K+0.1%
LRCXLam Research0.48%—21.7K+1.5% Added
RDNTRadnet, Inc.0.47%—100.8K−13.4% Reduced
PGProcter & Gamble0.46%—46.3K+0.3%
SNEXStonex Group Inc.0.44%—101.0K+56.3% Added
PAYCPaycom Software, Inc.0.43%—29.4K−13.8% Reduced
LOPEGrand Canyon Education, Inc.0.43%—41.6K+24.1% Added
MODModine Manufacturing Co0.41%—32.8K+12.1% Added
WKWorkiva Inc0.41%—90.5K−18.9% Reduced
PMPhilip Morris International0.40%—31.0K+0.4%
BACBank of America0.40%—107.6K−0.2%
YETIYeti Holdings, Inc.0.39%—141.6K+33.8% Added
TWSTTwist Bioscience Corp0.39%—29.9K−43.8% Reduced
DORMDorman Products, Inc.0.38%—45.9K+13.3% Added
CATCaterpillar Inc.0.37%—6.8K+0.5% Added
FROGJfrog Ltd0.37%—56.4K−15.7% Reduced
GEGE Aerospace0.37%—17.5K+0.4%
ABBVAbbVie0.37%—20.8K+0.2%
MGNIMagnite, Inc.0.36%—213.1K−31.8% Reduced
NOWServiceNow0.35%—39.0K+0.4%
ATRCAtricure, Inc.0.34%—90.7K+114.1% Added
AAONAAON, Inc.0.34%—60.1K+65.2% Added
VZVerizon0.34%—108.2K−0.1%
PRCHPorch Group, Inc.0.33%—292.2K−28.7% Reduced
ARHSArhaus, Inc.0.33%—506.5K+18.2% Added
SPNTSiriuspoint Ltd0.32%—196.9K+3.9% Added
CCCCCC Intelligent Solutions Holdings Inc.0.32%—699.2K+42.0% Added
FCNCAFirst Citizens Bancshares Inc0.31%—2.2K+12.8% Added
PSMTPricesmart Inc0.31%—26.9K−2.0% Reduced
MSGSMadison Square Garden Sports Corp.0.30%—11.1K−0.8% Reduced
TRSTrimas Corp0.30%—116.5K+20.1% Added
JOEST JOE Co0.30%—68.1K+80.6% Added
SNSharkninja, Inc.0.30%—24.8K−20.4% Reduced
NSPInsperity, Inc.0.30%—95.7K+7.3% Added
APPSDigital Turbine, Inc.0.30%—400.0K−20.0% Reduced
GTLBGitlab Inc.0.30%—93.4K−2.5% Reduced
SKWDSkyward Specialty Insurance Group, Inc.0.30%—83.1K+10.5% Added
GSLGlobal Ship Lease, Inc.0.29%—97.7K+3.9% Added
PCTYPaylocity Holding Corp0.29%—30.0K+4.4% Added
IDCCInterdigital, Inc.0.29%—13.1K+11.4% Added
LFUSLittelfuse Inc0.29%—10.0K−2.3% Reduced
ADPAutomatic Data Processing0.28%—16.2K+0.4%
GEVGE Vernova0.28%—4.3K+4.3% Added
ATENA10 Networks, Inc.0.28%—150.1K+1.6% Added
EEFTEuronet Worldwide, Inc.0.27%—64.3K+5.1% Added
MRKMerck & Co.0.27%—27.8K+0.2%
MSMorgan Stanley0.27%—21.2K+0.4%
NOVTNovanta Inc0.27%—27.6K+17.0% Added
DISThe Walt Disney Company0.27%—37.4K+0.4%
FTAIFTAI Aviation Ltd.0.26%—23.3K+201.5% Added
ACLSAxcelis Technologies Inc0.26%—29.4K+13.3% Added
KIDSOrthopediatrics Corp0.26%—171.5K−14.1% Reduced
DAVEDave Inc.0.26%—11.8K−8.7% Reduced
SIBNSi-bone, Inc.0.26%—201.1K−25.4% Reduced
PLDPrologis0.25%—28.9K+0.4%
PARRPAR Pacific Holdings, Inc.0.25%—45.7K−2.1% Reduced
CVCOCavco Industries, Inc.0.25%—6.6K+3.9% Added
HLMNHillman Solutions Corp.0.25%—519.3K−8.9% Reduced
FCXFreeport-McMoRan0.24%—51.6K+0.4%
ENVAEnova International, Inc.0.24%—21.6K+5.2% Added
DSGXDescartes Systems Group Inc0.24%—44.4K−0.1%
OIIOceaneering International Inc0.24%—81.7K+14.0% Added
SLMSLM Corp0.24%—156.7K−15.1% Reduced
VCYTVeracyte, Inc.0.24%—76.0K+45.2% Added
HALOHalozyme Therapeutics, Inc.0.24%—31.6K−14.6% Reduced
WTTRSelect Water Solutions, Inc.0.23%—175.8K−7.4% Reduced
STGWStagwell Inc0.23%—425.1K−38.1% Reduced
LQDTLiquidity Services Inc0.23%—80.4K+3.9% Added
LNTHLantheus Holdings, Inc.0.23%—34.6K−12.9% Reduced
CHYMChime Financial, Inc.0.23%—127.9K−7.6% Reduced
KYMRKymera Therapeutics, Inc.0.23%—30.4K−16.5% Reduced
OGNOrganon & Co.0.23%—247.5K+15.3% Added
TDWTidewater Inc0.23%—41.6K+3.0% Added
PLOWDouglas Dynamics, Inc0.23%—85.8K+3.9% Added
GRBKGreen Brick Partners, Inc.0.23%—50.8K+3.8% Added
PECOPhillips Edison & Company, Inc.0.22%—88.4K+10.9% Added
FTDRFrontdoor, Inc.0.22%—44.2K+4.0% Added
INTUIntuit0.22%—11.7K+0.4%
NEONeogenomics Inc0.22%—175.0K−21.8% Reduced
MGYMagnolia Oil & Gas Corp0.22%—136.3K+23.8% Added
MMSMaximus, Inc.0.21%—59.7K+19.3% Added
NXTNextpower Inc.0.21%—40.6K+56.2% Added
EXPOExponent Inc0.21%—47.4K−6.1% Reduced
OGEOGE Energy Corp.0.21%—68.2K+32.5% Added
APLEApple Hospitality Reit, Inc.0.21%—191.0K+22.9% Added
BKNGBooking Holdings0.21%—18.9K+0.4%
SNPSSynopsys Inc0.21%—7.1K+5.1% Added
CDNSCadence Design Systems Inc0.21%—9.2K+0.4%
FHBFirst Hawaiian, Inc.0.21%—123.5K−29.1% Reduced
CNSCohen & Steers, Inc.0.20%—41.4K+4.1% Added
SCHWCharles Schwab Corporation0.20%—30.9K+0.4%
SXTSensient Technologies Corp0.20%—23.1K+2.6% Added
EMREmerson Electric0.20%—19.1K+0.4%
VLOValero Energy0.20%—7.6K+0.7% Added
RHPRyman Hospitality Properties, Inc.0.20%—24.6K−9.7% Reduced
INDIIndie Semiconductor, Inc.0.20%—1.00M−26.1% Reduced
ARLOArlo Technologies, Inc.0.20%—235.9K+1.2% Added
FRPTFreshpet, Inc.0.20%—50.6K−21.3% Reduced
CEGConstellation Energy0.20%—11.4K+0.4%
ADUSAddus Homecare Corp0.19%—26.0K+3.9% Added
FAFFirst American Financial Corp0.19%—47.1K+13.5% Added
APTVAptiv0.19%—66.2K+1925.8% Added
SPOTSpotify Technology S.a.0.19%—5.8K+0.4%
AXPAmerican Express0.19%—9.3K+0.4%
HPEHewlett Packard Enterprise0.19%—44.2K+3.6% Added
LSTRLandstar System Inc0.19%—16.7K−10.7% Reduced
CERTCertara, Inc.0.19%—304.3K+34.7% Added
FLRFluor Corp0.19%—57.7K−17.5% Reduced
DLBDolby Laboratories, Inc.0.19%—46.9K−17.6% Reduced
MURMurphy OIL Corp0.19%—74.5K−12.9% Reduced
ETNEaton Corporation0.18%—6.3K+6.5% Added
AZZAZZ Inc0.18%—20.1K+4.9% Added
JBTMJBT Marel Corp0.18%—25.5K+87.7% Added
VCELVericel Corp0.18%—66.5K−8.8% Reduced
PSNParsons Corp0.18%—64.7K+39.7% Added
AGOAssured Guaranty LTD0.18%—38.7K+11.6% Added
IBPInstalled Building Products, Inc.0.18%—13.6K+9388.1% Added
FORMFormfactor Inc0.18%—17.4K−3.7% Reduced
AMGNAmgen0.17%—6.1K+0.9% Added
TENBTenable Holdings, Inc.0.17%—70.7K−39.3% Reduced
HAYWHayward Holdings, Inc.0.17%—210.0K+31.8% Added
INDBIndependent Bank Corp0.17%—33.1K+8.4% Added
TNLTravel & Leisure Co.0.17%—41.4K+9.3% Added
ATECAlphatec Holdings, Inc.0.17%—247.4K+13.8% Added
CALYCallaway Golf Co0.17%—181.2K+6.7% Added
SPGIS&P Global0.17%—6.4K+0.4%
ADPTAdaptive Biotechnologies Corp0.17%—87.3K−40.1% Reduced
CTRICenturi Holdings, Inc.0.17%—124.9KNew
HRIHerc Holdings Inc0.17%—19.9K−0.8% Reduced

None this quarter.

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

None this quarter.

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

CompanyValue last quarterShares
PATKPatrick Industries Inc—8.7K
PENNPenn Entertainment, Inc.—46.5K
POWLPowell Industries Inc—8.9K
PRIMPrimoris Services Corp—166
SNDKSandisk—26
SANMSanmina Corp—176
FOURShift4 Payments, Inc.—12.5K
SPIRSpire Global, Inc.—27.4K
SXIStandex International Corp—2.1K
STRLSterling Infrastructure, Inc.—64
FOXFFOX Factory Holding Corp—262
FSPFranklin Street Properties Corp—1.9K
GNRCGenerac—1.8K
GOGrocery Outlet Holding Corp.—609
HALHalliburton—1.6K
HPPHudson Pacific Properties, Inc.—425
KROKronos Worldwide Inc—1.0K
LINLinde plc—45
MBUUMalibu Boats, Inc.—208
MAMAMama's Creations, Inc.—51.8K
MECMayville Engineering Company, Inc.—28.6K
MGPIMGP Ingredients Inc—391
TKRTimken Co—13.7K
TJXTJX Companies—550
TROXTronox Holdings plc—1.5K
TTECTtec Holdings, Inc.—683
CMCOColumbus Mckinnon Corp—517
UAMYUnited States Antimony Corp—40.1K
UMACUnusual Machines, Inc.—28.8K
VIAVViavi Solutions Inc.—195
  • Technology26.8%
  • Financials14.6%
  • Industrials14.5%
  • Health Care11.7%
  • Consumer Discretionary10.1%
  • Communication Services8.3%
  • Energy4.5%
  • Consumer Staples3.5%
  • Real Estate2.6%
  • Materials2.1%
  • Utilities1.5%

Share of the value held in companies we cover, by sector.

PeriodCopy, a yearS&P 500SharpeS&P 500Biggest dropBeta
Whole backtestFebruary 11, 2022 to November 2, 2026+6.6%+13.7%0.210.61−38.2%1.27
Last three yearsNovember 3, 2023 to November 2, 2026+18.6%+21.8%0.851.16−23.3%1.03
Last yearNovember 7, 2025 to November 2, 2026+18.5%+14.2%1.130.84−8.3%0.81

From SEC Form 13F data sets. A 13F lists long positions in US-listed shares at the quarter's end, filed up to 45 days later; it does not show shorts, cash, bonds, non-US holdings or trades within the quarter. Positions in companies outside our coverage are not listed here. Research, not investment advice.