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Super Investors Board of Trustees of The Leland Stanford Junior University
BO

Board of Trustees of The Leland Stanford Junior University

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$533M
Positions
19
Quarter ended
June 30, 2026
Filed
August 12, 2026

Reported portfolio value by quarter (53 quarters reported)

$1.87B $101M
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q2 26

$229M in Q2 2013 → $533M now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
IT Ishares Tr 69.4% Trimmed 40% 5,406,282 $370M
Alphabet Inc 22.0% Trimmed 17% 327,884 $117M
Kodiak Sciences Inc 5.1% Unchanged 691,767 $27M
CH Crowdstrike Hldgs Inc 1.0% New 6,713 $5.12M
Annexon Inc 0.5% Unchanged 482,550 $2.76M
Navan Inc 0.5% Unchanged 110,554 $2.53M
Black Stone Minerals L P 0.4% Unchanged 147,852 $2.07M
KR Kimbell Rty Partners LP 0.3% Unchanged 111,638 $1.62M
Viper Energy Inc 0.2% Unchanged 25,000 $1.06M
IE Invesco Exchange Traded Fd T 0.2% New 4,381 $932K
CF Chime Finl Inc 0.2% Unchanged 42,110 $862K
Ethos Technologies Inc 0.1% Unchanged 31,940 $579K
Matson Inc 0.1% Unchanged 2,700 $519K
Intel Corp 0.1% New 2,300 $321K
Bitgo Holdings Inc 0.0% New 42,122 $218K
Merlin Inc 0.0% Unchanged 32,668 $186K
Bolt Biotherapeutics Inc 0.0% Unchanged 35,977 $139K
Carlsmed Inc 0.0% Unchanged 12,516 $130K
Aemetis Inc 0.0% Unchanged 25,300 $41.5K

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 12, 2026

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr Trimmed −3,629,644 −$248M 69.4%
I Ishares Inc Exited −971,270 −$82M —
IT Ishares Tr Exited −503,627 −$48.9M —
SS State Str SPDR S&P 500 ETF T Exited −73,085 −$47.5M —
Alphabet Inc Trimmed −66,469 −$23.8M 22.0%
CH Crowdstrike Hldgs Inc New +6,713 +$5.12M 1.0%
Maplight Therapeutics Inc Exited −199,231 −$4.05M —
Wealthfront Corp Exited −208,471 −$1.93M —
IE Invesco Exchange Traded Fd T New +4,381 +$932K 0.2%
Intel Corp New +2,300 +$321K 0.1%

Showing the 10 largest of 13 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 07, 2026

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr Added +4,577,226 +$260M 60.5%
Alphabet Inc Exited −394,353 −$123M —
Alphabet Inc New +394,353 +$113M 13.4%
IT Ishares Tr New +503,627 +$48.9M 5.8%
SS State Str SPDR S&P 500 ETF T New +73,085 +$47.5M 5.6%
Heartflow Inc Exited −312,234 −$9.1M —
Natera Inc Exited −31,303 −$7.17M —
Wealthfront Corp New +208,471 +$1.93M 0.2%
PF Pennymac Finl Svcs Inc New Exited −4,000 −$530K —
Ethos Technologies Inc New +31,940 +$357K —

Showing the 10 largest of 15 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

Company Action Shares changed Value of change % of portfolio
IT Ishares Tr Exited −3,346,434 −$312M —
Alphabet Inc Exited −784,750 −$191M —
Alphabet Inc New +394,353 +$123M 24.9%
IT Ishares Tr Added +915,248 +$50.1M 49.2%
Light & Wonder Inc Exited −265,220 −$22.3M —
Quantumscape Corp Exited −1,463,438 −$18M —
Circle Internet Group Inc Exited −74,284 −$9.85M —
Natera Inc New +31,303 +$7.17M 1.4%
Maplight Therapeutics Inc New +199,233 +$3.5M 0.7%
Navan Inc New +110,554 +$1.89M 0.4%

Showing the 10 largest of 16 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 05, 2025

Company Action Shares changed Value of change % of portfolio
Alphabet Inc Trimmed −618,771 −$150M 22.4%
SS SPDR S&P 500 ETF Tr Exited −96,493 −$59.6M —
Quantumscape Corp Trimmed −1,018,000 −$12.5M 2.1%
Heartflow Inc New +312,234 +$10.5M 1.2%
Amprius Technologies Inc Exited −1,146,636 −$4.83M —
Samsara Inc Exited −45,288 −$1.8M —
Viper Energy Inc New +25,000 +$956K 0.1%
Viper Energy Inc Exited −25,000 −$953K —
Circle Internet Group Inc Trimmed −4,378 −$580K 1.2%
Carlsmed Inc New +25,030 +$335K —

Showing the 10 largest of 12 changes.

Q2 2025

quarter ended June 30, 2025 · filed July 31, 2025

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Trimmed −849,599 −$525M 6.5%
IT Ishares Tr Added +2,308,580 +$206M 32.4%
Alphabet Inc Trimmed −416,320 −$73.4M 26.8%
Circle Internet Group Inc New +78,662 +$14.3M 1.5%
Ceribell Inc Exited −623,751 −$12M —
Samsara Inc Trimmed −90,572 −$3.6M 0.2%
CF Chime Finl Inc New +42,110 +$1.45M 0.2%
Amprius Technologies Inc Trimmed −310,921 −$1.31M 0.5%
Bolt Biotherapeutics Inc Exited −719,546 −$288K —
Bolt Biotherapeutics Inc New +35,978 +$208K —

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
Alphabet Inc Added +590,263 +$91.3M 23.8%
Bridgebio Pharma Inc Exited −331,283 −$9.09M —
SS SPDR S&P 500 ETF Tr Trimmed −6,405 −$3.58M 44.8%
Kala Bio Inc Exited −21,127 −$147K —
Legalzoom Com Inc Exited −10,384 −$78K —

Q4 2024

quarter ended December 31, 2024 · filed February 13, 2025

Company Action Shares changed Value of change % of portfolio
Alphabet Inc New +1,229,578 +$233M 19.9%
IT Ishares Tr Trimmed −2,179,413 −$165M 6.7%
SS SPDR S&P 500 ETF Tr Trimmed −102,904 −$60.3M 47.7%
Ceribell Inc New +623,751 +$16.1M 1.4%
Amprius Technologies Inc New +1,457,557 +$4.08M 0.3%
Alto Neuroscience Inc Exited −79,740 −$912K —
Contineum Therapeutics Inc Exited −38,869 −$744K —
Hashicorp Inc Exited −6,721 −$228K —
Freshworks Inc Exited −17,277 −$198K —
LT Luminar Technologies Inc Exited −19,489 −$17.5K —

Q3 2024

quarter ended September 30, 2024 · filed November 12, 2024

Company Action Shares changed Value of change % of portfolio
SS SPDR S&P 500 ETF Tr Trimmed −589,214 −$338M 51.6%
Light & Wonder Inc Trimmed −356,032 −$32.3M 2.0%
Alto Neuroscience Inc Trimmed −264,273 −$3.02M 0.1%
Lenz Therapeutics Inc Exited −100,438 −$1.74M —
Personalis Inc Exited −15,790 −$18.5K —
Getaround Inc Exited −17,322 −$2.43K —

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