Asset manager

Congress Asset Management Co

13F for the quarter to June 30, 2026, filed July 7, 2026 · SEC CIK 897378

Reported value: $16.3bn
Positions we cover: 331
Copy, a year: +14.2%
Copy Sharpe ratio: 0.73

How copying its 13F would have done

CopyS&P 500 $10,000 copying Congress Asset Management Co's filed holdings in companies we cover from August 9, 2013, buying on the first trading day after each 13F was filed and holding until the next, against the S&P 500 (total return). 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 −31.2% (S&P 500 −31.8%); beta 1.04; alpha −0.1% a year (t = −0.04); last 12 months +3.0% against +12.1%.

Reported value by quarter

Congress Asset Management Co: 13F reported value Total value of all positions in each quarter's 13F, as filed (values before 2023 were filed in thousands of dollars and are converted).

View chart data

Period	Reported value
2013-06-30	$3.4B
2013-09-30	$3.6B
2013-12-31	$3.8B
2014-03-31	$4B
2014-06-30	$3.9B
2014-09-30	$3.9B
2014-12-31	$3.9B
2015-03-31	$4.2B
2015-06-30	$3.5B
2015-09-30	$3.9B
2015-12-31	$4B
2016-03-31	$4.1B
2016-06-30	$4.3B
2016-09-30	$4.5B
2016-12-31	$4.8B
2017-03-31	$5.2B
2017-06-30	$5.6B
2017-09-30	$6.5B
2017-12-31	$6.9B
2018-03-31	$7.1B
2018-06-30	$7.3B
2018-09-30	$7.7B
2018-12-31	$6.6B
2019-03-31	$7.6B
2019-06-30	$7.9B
2019-09-30	$7.8B
2019-12-31	$8.2B
2020-03-31	$6.6B
2020-06-30	$8.4B
2020-09-30	$9.2B
2020-12-31	$10.6B
2021-03-31	$11.1B
2021-06-30	$12B
2021-09-30	$12.8B
2021-12-31	$13.1B
2022-03-31	$11.8B
2022-06-30	$10.4B
2022-09-30	$9.3B
2022-12-31	$10T
2023-03-31	$10.7B
2023-06-30	$11.5B
2023-09-30	$11.3B
2023-12-31	$12.7B
2024-03-31	$14B
2024-06-30	$14B
2024-09-30	$14.7B
2024-12-31	$14.8B
2025-03-31	$13.4B
2025-06-30	$14.6B
2025-09-30	$15B
2025-12-31	$14.2B
2026-03-31	$14B
2026-06-30	$16.3B

Holdings and moves

Company	Share of portfolio	Value	Shares	Change in shares
NVDANVIDIA Corporation	3.24%	$525.8m	2.63M	+4.7% Added
AAPLApple Inc.	2.87%	$465.8m	1.61M	−1.3% Reduced
GOOGLAlphabet Inc. (Class A)	2.24%	$364.6m	1.02M	−3.3% Reduced
MSFTMicrosoft Corporation	1.87%	$304.1m	815.3K	+27.8% Added
AVGOBroadcom	1.72%	$278.9m	738.3K	−2.6% Reduced
VVisa Inc.	1.40%	$227.6m	663.5K	+18.0% Added
GEVGE Vernova	1.39%	$226.4m	192.7K	−3.1% Reduced
APHAmphenol	1.32%	$215.3m	1.22M	+26.2% Added
LGNDLigand Pharmaceuticals Inc	1.28%	$208.6m	659.9K	+30.8% Added
ANETArista Networks	1.23%	$199.9m	1.18M	−32.1% Reduced
COSTCostco	1.20%	$195.4m	208.9K	−3.3% Reduced
STRLSterling Infrastructure, Inc.	1.19%	$193.4m	230.4K	−53.6% Reduced
GSGoldman Sachs	1.13%	$184.2m	182.1K	−3.9% Reduced
UFPTUFP Technologies Inc	1.12%	$182.3m	687.4K	+31.3% Added
ETNEaton Corporation	1.08%	$176.0m	413.1K	−18.0% Reduced
ASMLAsml Holding NV	1.08%	$175.6m	88.3K	+6.8% Added
AMZNAmazon	1.08%	$174.9m	733.8K	−18.7% Reduced
MDBMongodb, Inc.	1.06%	$171.7m	511.2K	+69.3% Added
MODModine Manufacturing Co	1.03%	$168.0m	629.3K	−3.3% Reduced
HWMHowmet Aerospace	1.03%	$167.4m	622.4K	−21.8% Reduced
NVTnVent Electric plc	1.03%	$166.9m	983.9K	−12.3% Reduced
METAMeta Platforms	1.01%	$164.6m	292.2K	−3.9% Reduced
WELLWelltower	1.01%	$163.8m	721.6K	−3.8% Reduced
NPOEnpro Inc.	1.00%	$163.3m	433.1K	+8.7% Added
NOVTNovanta Inc	0.97%	$158.0m	973.8K	+7.0% Added
CWCurtiss Wright Corp	0.93%	$150.6m	198.8K	−12.8% Reduced
PHParker Hannifin	0.92%	$149.5m	152.9K	−4.0% Reduced
LLYLilly (Eli)	0.91%	$147.6m	123.1K	+18.2% Added
ARMARM Holdings PLC	0.89%	$145.0m	409.0K	New
TGTXTG Therapeutics, Inc.	0.88%	$142.9m	2.60M	+19.9% Added
TKOTKO Group Holdings	0.88%	$142.3m	706.7K	−2.9% Reduced
TJXTJX Companies	0.86%	$140.1m	924.5K	−23.2% Reduced
RGENRepligen Corp	0.85%	$138.1m	1.01M	+26.9% Added
ORLYO'Reilly Automotive	0.83%	$135.4m	1.47M	−3.6% Reduced
IBKRInteractive Brokers	0.82%	$133.0m	1.53M	+57.3% Added
BOOTBoot Barn Holdings, Inc.	0.81%	$131.0m	797.6K	+11.2% Added
CVLTCommvault Systems Inc	0.81%	$130.8m	923.1K	+20.1% Added
WMBWilliams Companies	0.80%	$129.9m	1.75M	−4.0% Reduced
VCELVericel Corp	0.80%	$129.7m	2.92M	+93.5% Added
UTIUniversal Technical Institute Inc	0.79%	$128.3m	3.00M	+39.4% Added
ECLEcolab	0.78%	$126.8m	455.0K	−4.1% Reduced
CRDOCredo Technology Group Holding Ltd	0.77%	$124.7m	458.4K	+28.1% Added
LIVNLivanova PLC	0.76%	$123.5m	1.50M	+17.8% Added
MIRMirion Technologies, Inc.	0.74%	$119.9m	6.69M	+500.1% Added
ISRGIntuitive Surgical	0.74%	$119.7m	300.9K	−3.7% Reduced
IDCCInterdigital, Inc.	0.73%	$119.3m	421.4K	+9.2% Added
PWRQuanta Services	0.72%	$117.6m	163.3K	−4.0% Reduced
KLICKulicke & Soffa Industries Inc	0.72%	$117.4m	878.0K	New
EATBrinker International, Inc	0.71%	$115.1m	685.3K	+11.3% Added
SXTSensient Technologies Corp	0.71%	$114.7m	930.3K	+9.6% Added
HLTHilton Worldwide	0.70%	$114.1m	345.3K	−2.1% Reduced
FROGJfrog Ltd	0.69%	$112.9m	1.24M	+22.6% Added
MPWRMonolithic Power Systems, Inc.	0.68%	$111.2m	80.4K	−3.5% Reduced
PJTPJT Partners Inc.	0.67%	$109.2m	723.5K	+19.7% Added
ABCBAmeris Bancorp	0.66%	$107.6m	1.19M	+8.8% Added
SKYChampion Homes, Inc.	0.66%	$106.9m	1.21M	+16.5% Added
AUBAtlantic Union Bankshares Corp	0.65%	$105.8m	2.50M	+11.6% Added
RMBSRambus Inc	0.64%	$103.3m	778.0K	−39.0% Reduced
IMAXImax Corp	0.62%	$101.1m	2.54M	+68.0% Added
IDXXIdexx Laboratories	0.62%	$100.1m	190.2K	+14.1% Added
UBERUber	0.60%	$96.8m	1.34M	−3.9% Reduced
HALOHalozyme Therapeutics, Inc.	0.59%	$96.2m	1.23M	−4.0% Reduced
KEXKirby Corp	0.59%	$95.7m	703.7K	+12.5% Added
TPRTapestry, Inc.	0.59%	$95.2m	650.4K	+14.4% Added
FSSFederal Signal Corp	0.57%	$93.3m	726.1K	+13.0% Added
MCOMoody's Corporation	0.57%	$93.0m	205.3K	−3.8% Reduced
LMATLemaitre Vascular Inc	0.57%	$92.5m	963.7K	+15.5% Added
CASYCasey's	0.56%	$91.3m	114.8K	−3.3% Reduced
AROCArchrock, Inc.	0.55%	$90.1m	2.21M	New
JBTMJBT Marel Corp	0.54%	$87.6m	604.0K	+8.4% Added
SHOPShopify Inc.	0.54%	$87.3m	764.6K	−3.5% Reduced
EMEEmcor	0.54%	$87.2m	105.1K	−4.6% Reduced
VIKViking Holdings Ltd	0.53%	$86.6m	827.8K	−2.3% Reduced
CRCrane Co	0.53%	$85.4m	382.9K	−2.3% Reduced
BCPCBalchem Corp	0.52%	$84.9m	502.6K	+12.7% Added
CSWCSW Industrials, Inc.	0.52%	$83.6m	300.5K	+19.1% Added
MMSIMerit Medical Systems Inc	0.51%	$82.1m	1.18M	+15.1% Added
AVAVAerovironment Inc	0.50%	$81.8m	495.6K	+26.3% Added
ACIWACI Worldwide, Inc.	0.49%	$80.1m	1.59M	−13.2% Reduced
ALNYAlnylam Pharmaceuticals, Inc.	0.49%	$80.0m	265.7K	−7.0% Reduced
COCOVita Coco Company, Inc.	0.49%	$79.8m	1.21M	New
TXNTexas Instruments	0.49%	$79.1m	265.2K	+5820.1% Added
POWIPower Integrations Inc	0.48%	$77.9m	930.1K	New
AXONAxon Enterprise	0.48%	$77.8m	138.8K	New
COHRCoherent Corp.	0.46%	$75.3m	190.8K	+15798.5% Added
HEIHeico Corp	0.46%	$75.1m	210.8K	+0.2%
RJFRaymond James Financial	0.43%	$70.0m	460.2K	−2.4% Reduced
NVMINova LTD.	0.43%	$69.4m	127.9K	−46.6% Reduced
MUMicron Technology	0.42%	$68.7m	59.5K	New
DDOGDatadog, Inc.	0.42%	$68.0m	261.0K	−2.1% Reduced
CARGCargurus, Inc.	0.41%	$67.4m	1.98M	−6.4% Reduced
PLTRPalantir Technologies Inc.	0.37%	$59.9m	513.0K	+5.8% Added
CXTCrane NXT, Co.	0.37%	$59.7m	1.17M	−14.9% Reduced
UMBFUMB Financial Corp	0.35%	$56.6m	396.6K	+162.1% Added
QQnity Electronics, Inc.	0.35%	$56.4m	345.3K	+1.4% Added
AEISAdvanced Energy Industries Inc	0.34%	$56.1m	150.5K	−27.4% Reduced
NETCloudflare, Inc.	0.34%	$55.7m	226.9K	−17.1% Reduced
TERTeradyne	0.32%	$52.2m	107.9K	−0.5%
FIXComfort Systems USA	0.31%	$50.9m	25.7K	−53.4% Reduced
FASTFastenal	0.31%	$50.4m	1.05M	−2.2% Reduced
VMIValmont Industries Inc	0.31%	$50.3m	87.1K	−3.0% Reduced
CRSCarpenter Technology Corp	0.31%	$49.8m	80.8K	−2.6% Reduced
OLLIOllie's Bargain Outlet Holdings, Inc.	0.30%	$48.7m	633.4K	−27.0% Reduced
APGApi Group Corp	0.30%	$48.7m	1.15M	−2.7% Reduced
BROSDutch Bros Inc.	0.29%	$46.6m	648.5K	+198.7% Added
ROSTRoss Stores	0.28%	$45.2m	212.6K	−2.9% Reduced
CATCaterpillar Inc.	0.27%	$44.4m	41.7K	−3.6% Reduced
FLSFlowserve Corp	0.27%	$43.7m	589.8K	+391.7% Added
RBRKRubrik, Inc.	0.27%	$43.3m	539.7K	−1.1% Reduced
KRMNKarman Holdings Inc.	0.27%	$43.1m	863.3K	+22.1% Added
EHCEncompass Health Corp	0.25%	$41.1m	406.1K	−3.9% Reduced
DELLDell Technologies	0.25%	$40.8m	94.7K	−35.2% Reduced
TRNOTerreno Realty Corp	0.24%	$39.3m	606.0K	−1.6% Reduced
CAVACAVA Group, Inc.	0.24%	$39.1m	498.3K	+1.3% Added
DHID. R. Horton	0.23%	$37.8m	232.1K	+12.7% Added
ENTGEntegris Inc	0.23%	$37.6m	208.9K	−2.6% Reduced
ROKURoku, Inc	0.23%	$36.8m	266.6K	New
MYRGMYR Group Inc.	0.23%	$36.8m	73.5K	−24.4% Reduced
STESteris	0.22%	$36.0m	171.0K	+13.7% Added
EXPEExpedia Group	0.22%	$36.0m	140.7K	+11.7% Added
ADIAnalog Devices	0.22%	$35.3m	88.9K	+8.2% Added
MLMMartin Marietta Materials	0.22%	$35.1m	61.0K	−74.4% Reduced
AFRMAffirm Holdings, Inc.	0.21%	$34.8m	426.5K	+4638.6% Added
JPMJPMorgan Chase	0.21%	$34.2m	104.5K	−2.9% Reduced
TOSTToast, Inc.	0.20%	$33.4m	1.20M	+9.9% Added
CTASCintas	0.19%	$31.3m	184.1K	−3.0% Reduced
PLXSPlexus Corp	0.19%	$31.2m	103.7K	+438.7% Added
MEDPMedpace Holdings, Inc.	0.19%	$31.0m	58.5K	−2.8% Reduced
BJBj's Wholesale Club Holdings, Inc.	0.19%	$30.6m	350.5K	−5.0% Reduced
TWLOTwilio Inc	0.17%	$28.5m	138.1K	New
ACMRACM Research, Inc.	0.17%	$28.4m	223.9K	−34.1% Reduced
SEISolaris Energy Infrastructure, Inc.	0.17%	$27.8m	344.9K	+8217.7% Added
LECOLincoln Electric Holdings Inc	0.17%	$27.3m	103.0K	−2.4% Reduced
CSCOCisco	0.17%	$27.2m	231.4K	−3.5% Reduced
GMEDGlobus Medical Inc	0.17%	$26.8m	338.6K	New
IOTSamsara Inc.	0.16%	$26.5m	816.2K	New
VIRTVirtu Financial, Inc.	0.16%	$26.3m	441.8K	+1.0% Added
MQMarqeta, Inc.	0.16%	$25.9m	1.59M	New
HDThe Home Depot	0.15%	$24.5m	69.6K	−7.0% Reduced
DOCNDigitalocean Holdings, Inc.	0.15%	$24.5m	155.9K	−23.2% Reduced
FNDFloor & Decor Holdings, Inc.	0.15%	$23.8m	400.7K	+1.1% Added
KLACKLA Corporation	0.15%	$23.7m	78.6K	New
RRCRange Resources Corp	0.14%	$23.4m	630.3K	−3.5% Reduced
LRCXLam Research	0.14%	$23.1m	53.3K	+15.2% Added
HWKNHawkins Inc	0.14%	$22.9m	161.0K	−2.7% Reduced
ELFE.l.f. Beauty, Inc.	0.13%	$21.0m	283.7K	−5.4% Reduced
AMGNAmgen	0.13%	$20.8m	57.5K	−1.9% Reduced
AMEAmetek	0.12%	$19.8m	81.9K	+1.3% Added
NEENextEra Energy	0.12%	$19.4m	221.3K	+5.3% Added
LINLinde plc	0.12%	$18.7m	36.0K	−3.0% Reduced

Company	Bought (value)	Shares
ARMARM Holdings PLC	$145.0m	409.0K
KLICKulicke & Soffa Industries Inc	$117.4m	878.0K
MIRMirion Technologies, Inc.	$99.9m	5.57M
AROCArchrock, Inc.	$90.1m	2.21M
COCOVita Coco Company, Inc.	$79.8m	1.21M
POWIPower Integrations Inc	$77.9m	930.1K
AXONAxon Enterprise	$77.8m	138.8K
TXNTexas Instruments	$77.7m	260.7K
COHRCoherent Corp.	$74.8m	189.6K
MDBMongodb, Inc.	$70.3m	209.3K
MUMicron Technology	$68.7m	59.5K
MSFTMicrosoft Corporation	$66.1m	177.2K
VCELVericel Corp	$62.7m	1.41M
LGNDLigand Pharmaceuticals Inc	$49.1m	155.3K
IBKRInteractive Brokers	$48.4m	556.2K

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

Company	Sold (value)	Shares
STRLSterling Infrastructure, Inc.	−$223.8m	−266.7K
MLMMartin Marietta Materials	−$102.1m	−177.0K
PENPenumbra Inc	−$96.3m	−305.1K
TMOThermo Fisher Scientific	−$96.2m	−191.8K
ANETArista Networks	−$94.5m	−556.2K
PRIMPrimoris Services Corp	−$80.5m	−812.2K
NOWServiceNow	−$79.1m	−796.6K
YETIYeti Holdings, Inc.	−$69.1m	−1.39M
BSXBoston Scientific	−$69.1m	−1.62M
DTDynatrace, Inc.	−$66.9m	−1.81M
RMBSRambus Inc	−$66.1m	−498.0K
CALXCalix, Inc	−$61.0m	−1.64M
NVMINova LTD.	−$60.7m	−111.8K
FIXComfort Systems USA	−$58.4m	−29.5K
HWMHowmet Aerospace	−$46.8m	−174.0K

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

Company	Value last quarter	Shares
DTDynatrace, Inc.	$66.9m	1.81M
HLIHoulihan Lokey, Inc.	$33.5m	233.0K
GWREGuidewire Software, Inc.	$30.3m	202.9K
PBHPrestige Consumer Healthcare Inc.	$26.7m	450.2K
PTCPTC Inc.	$24.6m	172.8K
AZTAAzenta, Inc.	$24.2m	1.15M
PODDInsulet Corporation	$22.1m	105.2K
IESCIES Holdings, Inc.	$20.7m	43.5K
KNSLKinsale Capital Group, Inc.	$14.3m	41.9K
MORNMorningstar, Inc.	$13.1m	77.4K
POOLPool Corp	$10.8m	53.2K
SPSCSPS Commerce Inc	$9.7m	174.8K
PRAXPraxis Precision Medicines, Inc.	$8.0m	24.8K
FSVFirstservice Corp	$6.1m	43.7K
CWSTCasella Waste Systems Inc	$5.2m	64.9K
AIRAAR Corp	$5.1m	46.7K
EFOREverforth Inc	$4.9m	125.3K
LGNLegence Corp.	$4.8m	85.8K
AORTArtivion, Inc.	$4.7m	127.1K
HLHecla Mining Co	$3.9m	206.9K
ACADAcadia Pharmaceuticals Inc	$3.6m	160.8K
CDNLCardinal Infrastructure Group Inc.	$3.5m	87.4K
LRNStride, Inc.	$3.2m	36.1K
STEPStepstone Group Inc.	$3.0m	62.9K
TPCTutor Perini Corp	$2.9m	37.8K
PLNTPlanet Fitness, Inc.	$2.9m	38.6K
SMTCSemtech Corp	$2.8m	37.0K
VSECVSE Corp	$2.8m	15.3K
SITESiteone Landscape Supply, Inc.	$2.6m	19.5K
VCYTVeracyte, Inc.	$2.5m	76.6K

Technology32.4%
Industrials19.4%
Health Care12.2%
Consumer Discretionary10.3%
Financials8.9%
Communication Services5.7%
Materials3.2%
Consumer Staples3.1%
Energy2.3%
Real Estate1.8%
Utilities0.6%

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

Period	Copy, a year	S&P 500	Sharpe	S&P 500	Biggest drop	Beta
Whole backtestAugust 9, 2013 to November 2, 2026	+14.2%	+13.9%	0.73	0.77	−31.2%	1.04
2018 onwardsJanuary 5, 2018 to November 2, 2026	+13.0%	+13.9%	0.58	0.66	−31.2%	1.05
Last three yearsNovember 3, 2023 to November 2, 2026	+14.0%	+21.8%	0.62	1.16	−19.9%	1.06
Last yearNovember 7, 2025 to November 2, 2026	+5.0%	+14.2%	0.13	0.84	−8.9%	1.02

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.