undamentalytics Newsletter

Asset manager

General American Investors Co Inc

13F for the quarter to June 30, 2026, filed July 31, 2026 · SEC CIK 40417

Reported value
$1.6bn
87% in companies we cover
Positions we cover
60
Largest ASML 6.6%
Copy, a year
+14.6%
S&P 500 +13.9%
Copy Sharpe ratio
0.80
S&P 500 0.77

How copying its 13F would have done

$10.0k$20.0k$40.0k 2013201520172019202120232025 $60.5k$55.9k
CopyS&P 500 $10,000 copying General American Investors Co Inc'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 −34.4% (S&P 500 −31.8%); beta 0.99; alpha +0.8% a year (t = 0.72); last 12 months +13.0% against +12.1%.

Reported value by quarter

General American Investors Co Inc: 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).
$0 $500B $1T $1.5T Reported value, 2013-06-30: $1.1B Reported value, 2013-09-30: $1.1B Reported value, 2013-12-31: $1.2B Reported value, 2014-03-31: $1.2B Reported value, 2014-06-30: $1.2B Reported value, 2014-09-30: $1.3B Reported value, 2014-12-31: $1.3B Reported value, 2015-03-31: $1.2B Reported value, 2015-06-30: $1.2B Reported value, 2015-09-30: $1.1B Reported value, 2015-12-31: $1.1B Reported value, 2016-03-31: $968M Reported value, 2016-06-30: $959.7M Reported value, 2016-09-30: $979.6M Reported value, 2016-12-31: $989.3M Reported value, 2017-03-31: $1B Reported value, 2017-06-30: $987.7M Reported value, 2017-09-30: $1.1B Reported value, 2017-12-31: $1B Reported value, 2018-03-31: $1.1B Reported value, 2018-06-30: $1.1B Reported value, 2018-09-30: $1.2B Reported value, 2018-12-31: $951.9M Reported value, 2019-03-31: $1B Reported value, 2019-06-30: $1.1B Reported value, 2019-09-30: $1B Reported value, 2019-12-31: $1.1B Reported value, 2020-03-31: $738.7M Reported value, 2020-06-30: $788.5M Reported value, 2020-09-30: $866.6M Reported value, 2020-12-31: $1B Reported value, 2021-03-31: $1.1B Reported value, 2021-06-30: $1.2B Reported value, 2021-09-30: $1.2B Reported value, 2021-12-31: $1.3B Reported value, 2022-03-31: $1.2B Reported value, 2022-06-30: $995.4M Reported value, 2022-09-30: $961.4M Reported value, 2022-12-31: $1T Reported value, 2023-03-31: $1.1B Reported value, 2023-06-30: $1.1B Reported value, 2023-09-30: $1.1B Reported value, 2023-12-31: $1.2B Reported value, 2024-03-31: $1.3B Reported value, 2024-06-30: $1.4B Reported value, 2024-09-30: $1.4B Reported value, 2024-12-31: $1.4B Reported value, 2025-03-31: $1.3B Reported value, 2025-06-30: $1.5B Reported value, 2025-09-30: $1.6B Reported value, 2025-12-31: $1.6B Reported value, 2026-03-31: $1.5B Reported value, 2026-06-30: $1.6B 2013-06-30 2016-03-31 2018-12-31 2021-09-30 2026-06-30 $1.6B
View chart data
Period Reported value
2013-06-30 $1.1B
2013-09-30 $1.1B
2013-12-31 $1.2B
2014-03-31 $1.2B
2014-06-30 $1.2B
2014-09-30 $1.3B
2014-12-31 $1.3B
2015-03-31 $1.2B
2015-06-30 $1.2B
2015-09-30 $1.1B
2015-12-31 $1.1B
2016-03-31 $968M
2016-06-30 $959.7M
2016-09-30 $979.6M
2016-12-31 $989.3M
2017-03-31 $1B
2017-06-30 $987.7M
2017-09-30 $1.1B
2017-12-31 $1B
2018-03-31 $1.1B
2018-06-30 $1.1B
2018-09-30 $1.2B
2018-12-31 $951.9M
2019-03-31 $1B
2019-06-30 $1.1B
2019-09-30 $1B
2019-12-31 $1.1B
2020-03-31 $738.7M
2020-06-30 $788.5M
2020-09-30 $866.6M
2020-12-31 $1B
2021-03-31 $1.1B
2021-06-30 $1.2B
2021-09-30 $1.2B
2021-12-31 $1.3B
2022-03-31 $1.2B
2022-06-30 $995.4M
2022-09-30 $961.4M
2022-12-31 $1T
2023-03-31 $1.1B
2023-06-30 $1.1B
2023-09-30 $1.1B
2023-12-31 $1.2B
2024-03-31 $1.3B
2024-06-30 $1.4B
2024-09-30 $1.4B
2024-12-31 $1.4B
2025-03-31 $1.3B
2025-06-30 $1.5B
2025-09-30 $1.6B
2025-12-31 $1.6B
2026-03-31 $1.5B
2026-06-30 $1.6B

Holdings and moves

CompanyShare of portfolioValueSharesChange in shares
ASMLAsml Holding NV6.63%$109.4m55.0K0.0%
GEVGE Vernova5.06%$83.4m71.0K−22.0% Reduced
AAPLApple Inc.4.66%$76.9m265.7K0.0%
TJXTJX Companies4.45%$73.4m484.8K0.0%
RSGRepublic Services4.33%$71.5m335.6K0.0%
AMZNAmazon4.20%$69.4m291.0K+1.7% Added
AVGOBroadcom3.16%$52.1m138.0K0.0%
ACGLArch Capital Group3.12%$51.5m530.2K0.0%
MSFTMicrosoft Corporation2.97%$49.0m131.4K+4.0% Added
EGEverest Group2.66%$43.9m122.9K−4.9% Reduced
NVDANVIDIA Corporation2.50%$41.2m206.0K+28.0% Added
CCJCameco Corp2.10%$34.6m339.2K0.0%
MRVLMarvell Technology2.02%$33.4m112.0K−26.3% Reduced
COSTCostco1.87%$30.9m33.0K0.0%
NNINelnet Inc1.87%$30.8m231.0K−1.3% Reduced
RTXRTX Corporation1.84%$30.4m160.0K+6.7% Added
SOLVSolventum1.76%$29.1m377.4K0.0%
AEMAgnico Eagle Mines LTD1.69%$27.8m179.3K−5.3% Reduced
MRKMerck & Co.1.59%$26.3m204.3K0.0%
JPMJPMorgan Chase1.59%$26.2m80.0K0.0%
MTBM&T Bank1.46%$24.1m101.1K0.0%
ONTOOnto Innovation Inc.1.38%$22.7m60.0K−25.0% Reduced
REGNRegeneron Pharmaceuticals1.37%$22.7m36.4K+15.9% Added
DDominion Energy1.20%$19.8m290.0K0.0%
LHXL3Harris1.16%$19.1m65.8K0.0%
UBERUber1.14%$18.8m260.6K+23.7% Added
GILDGilead Sciences1.11%$18.3m144.9K+20.9% Added
BABoeing1.10%$18.2m84.2K+61.7% Added
AMATApplied Materials1.10%$18.1m25.1K−39.9% Reduced
METAMeta Platforms1.09%$18.0m32.0K0.0%
PEPPepsiCo1.07%$17.6m130.0K0.0%
TAT&T0.97%$16.0m774.6K0.0%
TYLTyler Technologies Inc0.92%$15.1m51.7K+10.7% Added
CVXChevron Corporation0.87%$14.3m86.4K0.0%
AEPAmerican Electric Power0.83%$13.7m100.0K0.0%
RVMDRevolution Medicines, Inc.0.71%$11.7m62.5K0.0%
NNNextnav Inc.0.70%$11.6m649.8K+4.8% Added
IDYAIdeaya Biosciences, Inc.0.70%$11.5m308.2K+10.0% Added
MRVIMaravai Lifesciences Holdings, Inc.0.65%$10.7m1.72M0.0%
VEEVVeeva Systems Inc0.62%$10.3m58.0K0.0%
PFEPfizer0.59%$9.8m405.8K−19.8% Reduced
ANETArista Networks0.57%$9.4m55.1K−55.9% Reduced
SPRYARS Pharmaceuticals, Inc.0.55%$9.1m1.13M+55.8% Added
NOWServiceNow0.51%$8.4m85.0K+41.7% Added
MAMastercard0.47%$7.7m15.0KNew
METMetLife0.46%$7.6m90.3K0.0%
INDIIndie Semiconductor, Inc.0.45%$7.4m1.64M−11.4% Reduced
AMGNAmgen0.44%$7.2m20.0K−33.3% Reduced
AGIAlamos Gold Inc0.43%$7.2m236.2K+11.8% Added
ARCOArcos Dorados Holdings Inc.0.42%$6.9m860.2K−9.5% Reduced
DGXQuest Diagnostics0.36%$6.0m28.3KNew
OLEDUniversal Display Corp \pa\0.30%$5.0m58.0K−10.8% Reduced
UECUranium Energy Corp0.29%$4.8m454.9K0.0%
IAUXI-80 Gold Corp.0.29%$4.8m3.36M+124.1% Added
BBBlackberry Ltd0.26%$4.2m332.0K−67.7% Reduced
FCBMFirst Carolina Financial Services, Inc.0.17%$2.7m207.6KNew
COLBColumbia Banking System, Inc.0.17%$2.7m85.6K−36.9% Reduced
GSMFerroglobe PLC0.16%$2.6m827.6K−8.8% Reduced
VALNValneva SE0.11%$1.9m354.4K0.0%
CLFCleveland-cliffs Inc.0.06%$944,568100.6K0.0%
CompanyBought (value)Shares
NVDANVIDIA Corporation$9.0m45.0K
MAMastercard$7.7m15.0K
BABoeing$6.9m32.1K
DGXQuest Diagnostics$6.0m28.3K
UBERUber$3.6m50.0K
SPRYARS Pharmaceuticals, Inc.$3.3m405.9K
GILDGilead Sciences$3.2m25.0K
REGNRegeneron Pharmaceuticals$3.1m5.0K
FCBMFirst Carolina Financial Services, Inc.$2.7m207.6K
IAUXI-80 Gold Corp.$2.7m1.86M
NOWServiceNow$2.5m25.0K
RTXRTX Corporation$1.9m10.0K
MSFTMicrosoft Corporation$1.9m5.0K
TYLTyler Technologies Inc$1.5m5.0K
AMZNAmazon$1.2m5.0K

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

CompanySold (value)Shares
GEVGE Vernova−$23.5m−20.0K
AMATApplied Materials−$12.0m−16.6K
MRVLMarvell Technology−$11.9m−40.0K
ANETArista Networks−$11.9m−70.0K
BBBlackberry Ltd−$8.8m−695.0K
ONTOOnto Innovation Inc.−$7.6m−20.0K
VYXNCR Voyix Corp−$4.2m−669.9K
AMGNAmgen−$3.6m−10.0K
PFEPfizer−$2.4m−100.0K
EGEverest Group−$2.2m−6.3K
COLBColumbia Banking System, Inc.−$1.6m−50.0K
AEMAgnico Eagle Mines LTD−$1.6m−10.0K
EXPEExpedia Group−$1.2m−5.0K
INDIIndie Semiconductor, Inc.−$946,232−210.7K
ARCOArcos Dorados Holdings Inc.−$725,400−90.0K

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

CompanyValue last quarterShares
VYXNCR Voyix Corp$4.2m669.9K
EXPEExpedia Group$1.2m5.0K
  • Technology32.2%
  • Industrials16.8%
  • Financials13.7%
  • Health Care12.1%
  • Consumer Discretionary10.4%
  • Materials3.4%
  • Energy3.4%
  • Consumer Staples3.4%
  • Communication Services2.4%
  • Utilities2.3%

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

PeriodCopy, a yearS&P 500SharpeS&P 500Biggest dropBeta
Whole backtestAugust 9, 2013 to November 2, 2026+14.6%+13.9%0.800.77−34.4%0.99
2018 onwardsJanuary 5, 2018 to November 2, 2026+15.5%+13.9%0.730.66−34.4%0.98
Last three yearsNovember 3, 2023 to November 2, 2026+21.1%+21.8%1.201.16−12.9%0.86
Last yearNovember 7, 2025 to November 2, 2026+14.9%+14.2%0.910.84−6.9%0.84

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.