Howard Hughes Medical Institute
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Howard Hughes Medical Institute reported 31 stock positions worth $415.8 million. Its top holding was SS SPDR S&P 500 ETF Trust-US (SPY) at 13.8% of the portfolio, followed by Nvidia (NVDA, 13.5%) and Apple (AAPL, 12.1%). Compared with Q4 2025, it opened 3 new positions, sold out of 472, added to 27 and reduced 1. The biggest buy was Nvidia (NVDA, shares +6069%) and the biggest sale SS SPDR S&P 500 ETF Trust-US (SPY, shares −63%).
- Most Recent 13F
- Q2 2026
- Location
- Chevy Chase, MD
- CIK
- 0000810386
- Portfolio Value
- $415.8M (Q1 2026)
- SEC Filing
- 0001193125-26-225362 ↗ filed May 15, 2026
Holdings Value
Holdings 31 stocks · $415.8M
| SPY SS SPDR S&P 500 ETF Trust-US | 13.79% | 88,185 | $57.4M | Reduce -62.9% |
| NVDA Nvidia Corp. | 13.51% | 322,105 | $56.2M | Add +6069.4% |
| AAPL Apple Inc. | 12.13% | 198,755 | $50.4M | Add +6142.3% |
| GOOGL Alphabet Inc. Class A | 9.94% | 143,665 | $41.3M | Add +11393.2% |
| MSFT Microsoft Corp. | 9.11% | 102,314 | $37.9M | Add +6294.6% |
| AMZN Amazon.com Inc. | 6.66% | 132,871 | $27.7M | Add +6248.4% |
| TSM Taiwan Semiconductor-SP ADR | 5.43% | 66,773 | $22.6M | New |
| AVGO Broadcom Inc. | 4.84% | 65,028 | $20.1M | Add +6300.4% |
| META Meta Platforms Inc. Class A | 4.24% | 30,787 | $17.6M | Add +6464.4% |
| TSLA Tesla Inc. | 3.68% | 41,177 | $15.3M | Add +6728.7% |
| ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV | 1.72% | 5,405 | $7.1M | New |
| NFLX Netflix Inc. | 1.36% | 58,670 | $5.6M | Add +6326.1% |
| MU Micron Technology Inc. | 1.28% | 15,704 | $5.3M | Add +6416.2% |
| AMD Advanced Micro Devices | 1.11% | 22,624 | $4.6M | Add +6364.0% |
| PLTR Palantir Technologies Inc. Class A | 1.08% | 30,757 | $4.5M | Add +6176.9% |
| CSCO Cisco Systems Inc. | 0.94% | 50,326 | $3.9M | Add +5820.7% |
| AMAT Applied Materials Inc. | 0.90% | 10,984 | $3.8M | Add +6286.1% |
| LRCX Lam Research Corp. | 0.89% | 17,396 | $3.7M | Add +6343.0% |
| ORCL Oracle Corp. | 0.84% | 23,851 | $3.5M | Add +6525.3% |
| IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS | 0.76% | 13,023 | $3.2M | Add +6379.1% |
| KLAC KLA Corp. | 0.65% | 1,825 | $2.7M | Add +6417.9% |
| SAP Sap SE-Sponsored ADR | 0.61% | 14,868 | $2.5M | New |
| INTC Intel Corp. | 0.61% | 57,142 | $2.5M | Add +5821.4% |
| TXN Texas Instruments Inc. | 0.59% | 12,645 | $2.5M | Add +6351.5% |
| DIS The Walt Disney Co. filed as DISNEY WALT CO | 0.57% | 24,660 | $2.4M | Add +6305.2% |
| CRM Salesforce Inc. | 0.57% | 12,612 | $2.4M | Add +6052.2% |
| UBER Uber Technologies Inc. | 0.50% | 28,895 | $2.1M | Add +6364.2% |
| QCOM Qualcomm Inc. | 0.46% | 14,838 | $1.9M | Add +6295.7% |
| BKNG Booking Holdings Inc. | 0.45% | 444 | $1.9M | Add +6242.9% |
| ACN Accenture PLC Class A | 0.41% | 8,607 | $1.7M | Add +6323.1% |
| INTU Intuit Inc. | 0.39% | 3,794 | $1.6M | Add +6223.3% |
Portfolio Sells Q4 2025 → Q1 2026
| SPY SS SPDR S&P 500 ETF Trust-US | Reduce -62.9% | 13.79% | −79.06 |
| GOOG Alphabet Inc. Class C | Sold out | 0.00% | −0.18 |
| BRK.B Berkshire Hathaway Inc. Class B | Sold out | 0.00% | −0.11 |
| JPM JPMorgan Chase & Co. | Sold out | 0.00% | −0.11 |
| LLY Eli Lilly & Co. | Sold out | 0.00% | −0.11 |
| V Visa Inc. Class A | Sold out | 0.00% | −0.07 |
| XOM Exxon Mobil Corp. | Sold out | 0.00% | −0.06 |
| JNJ Johnson & Johnson | Sold out | 0.00% | −0.06 |
| WMT Walmart Inc. | Sold out | 0.00% | −0.06 |
| MA Mastercard Inc. Class A | Sold out | 0.00% | −0.06 |
| ABBV Abbvie Inc. | Sold out | 0.00% | −0.05 |
| COST Costco Wholesale Corp. | Sold out | 0.00% | −0.05 |
| BAC Bank of America Corp. | Sold out | 0.00% | −0.05 |
| HD Home Depot Inc. | Sold out | 0.00% | −0.04 |
| PG The Procter & Gamble Co. | Sold out | 0.00% | −0.04 |
| GE General Electric | Sold out | 0.00% | −0.04 |
| UNH Unitedhealth Group Inc. | Sold out | 0.00% | −0.04 |
| WFC Wells Fargo & Co. | Sold out | 0.00% | −0.04 |
| CVX Chevron Corp. | Sold out | 0.00% | −0.04 |
| KO The Coca-Cola Co. | Sold out | 0.00% | −0.03 |
| CAT Caterpillar Inc. | Sold out | 0.00% | −0.03 |
| GS Goldman Sachs Group Inc. | Sold out | 0.00% | −0.03 |
| MRK Merck & Co. Inc. | Sold out | 0.00% | −0.03 |
| RTX RTX Corp. | Sold out | 0.00% | −0.03 |
| ABT Abbott Laboratories | Sold out | 0.00% | −0.03 |
| MCD McDonald's Corp. | Sold out | 0.00% | −0.03 |
| TMO Thermo Fisher Scientific Inc. | Sold out | 0.00% | −0.03 |
| MS Morgan Stanley | Sold out | 0.00% | −0.03 |
| C Citigroup Inc. | Sold out | 0.00% | −0.03 |
| ISRG Intuitive Surgical Inc. | Sold out | 0.00% | −0.03 |
| AXP American Express Co. | Sold out | 0.00% | −0.02 |
| LIN Linde PLC | Sold out | 0.00% | −0.02 |
| PEP Pepsico Inc. | Sold out | 0.00% | −0.02 |
| APP AppLovin Corp. Class A | Sold out | 0.00% | −0.02 |
| GEV GE Vernova Inc. | Sold out | 0.00% | −0.02 |
| T AT&T Inc. | Sold out | 0.00% | −0.02 |
| AMGN Amgen Inc. | Sold out | 0.00% | −0.02 |
| VZ Verizon Communications Inc. | Sold out | 0.00% | −0.02 |
| TJX TJX Companies Inc. | Sold out | 0.00% | −0.02 |
| BA The Boeing Co. | Sold out | 0.00% | −0.02 |
| NEE Nextera Energy Inc. | Sold out | 0.00% | −0.02 |
| SCHW Schwab (charles) Corp. | Sold out | 0.00% | −0.02 |
| APH Amphenol Corp. Class A | Sold out | 0.00% | −0.02 |
| SPGI S&P Global Inc. | Sold out | 0.00% | −0.02 |
| NOW ServiceNow Inc. | Sold out | 0.00% | −0.02 |
| BLK BlackRock Inc. | Sold out | 0.00% | −0.02 |
| COF Capital One Financial Corp. | Sold out | 0.00% | −0.02 |
| GILD Gilead Sciences Inc. | Sold out | 0.00% | −0.02 |
| ADBE Adobe Inc. | Sold out | 0.00% | −0.02 |
| DHR Danaher Corp. | Sold out | 0.00% | −0.02 |
Portfolio Buys Q4 2025 → Q1 2026
| NVDA Nvidia Corp. | Add +6069.4% | 13.51% | +12.95 |
| AAPL Apple Inc. | Add +6142.3% | 12.13% | +11.64 |
| GOOGL Alphabet Inc. Class A | Add +11393.2% | 9.94% | +9.71 |
| MSFT Microsoft Corp. | Add +6294.6% | 9.11% | +8.67 |
| AMZN Amazon.com Inc. | Add +6248.4% | 6.66% | +6.38 |
| TSM Taiwan Semiconductor-SP ADR | New | 5.43% | +5.43 |
| AVGO Broadcom Inc. | Add +6300.4% | 4.84% | +4.64 |
| META Meta Platforms Inc. Class A | Add +6464.4% | 4.24% | +4.06 |
| TSLA Tesla Inc. | Add +6728.7% | 3.68% | +3.53 |
| ASML ASML Holding NV-NY Reg SHS | New | 1.72% | +1.72 |
| NFLX Netflix Inc. | Add +6326.1% | 1.36% | +1.31 |
| MU Micron Technology Inc. | Add +6416.2% | 1.28% | +1.24 |
| AMD Advanced Micro Devices | Add +6364.0% | 1.11% | +1.06 |
| PLTR Palantir Technologies Inc. Class A | Add +6176.9% | 1.08% | +1.03 |
| CSCO Cisco Systems Inc. | Add +5820.7% | 0.94% | +0.90 |
| AMAT Applied Materials Inc. | Add +6286.1% | 0.90% | +0.88 |
| LRCX Lam Research Corp. | Add +6343.0% | 0.89% | +0.87 |
| ORCL Oracle Corp. | Add +6525.3% | 0.84% | +0.80 |
| IBM Intl Business Machines Corp. | Add +6379.1% | 0.76% | +0.73 |
| KLAC KLA Corp. | Add +6417.9% | 0.65% | +0.63 |
| SAP Sap SE-Sponsored ADR | New | 0.61% | +0.61 |
| INTC Intel Corp. | Add +5821.4% | 0.61% | +0.59 |
| TXN Texas Instruments Inc. | Add +6351.5% | 0.59% | +0.57 |
| DIS The Walt Disney Co. | Add +6305.2% | 0.57% | +0.55 |
| CRM Salesforce Inc. | Add +6052.2% | 0.57% | +0.54 |
| UBER Uber Technologies Inc. | Add +6364.2% | 0.50% | +0.48 |
| QCOM Qualcomm Inc. | Add +6295.7% | 0.46% | +0.44 |
| BKNG Booking Holdings Inc. | Add +6242.9% | 0.45% | +0.43 |
| ACN Accenture PLC Class A | Add +6323.1% | 0.41% | +0.39 |
| INTU Intuit Inc. | Add +6223.3% | 0.39% | +0.37 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 30 | $445.4M | NVDA, AAPL, GOOGL, MSFT, TSM |
| Q1 2026 | 31 | $415.8M | SPY, NVDA, AAPL, GOOGL, MSFT |
| Q4 2025 | 500 | $174.7M | SPY, NVDA, AAPL, MSFT, AMZN |
| Q3 2025 | 500 | $170.6M | SPY, NVDA, MSFT, AAPL, AMZN |
| Q2 2025 | 501 | $250.9M | SPY, NVDA, MSFT, AAPL, AMZN |
| Q1 2025 | 2 | $202.2M | SPY, BIOA |
| Q4 2024 | 2 | $568.4M | SPY, BIOA |
| Q3 2024 | 2 | $630.4M | SPY, BIOA |
| Q2 2024 | 1 | $466.2M | SPY |
| Q1 2024 | 2 | $332.9M | SPY, PCT |