Q2 2026 13F · SEC CIK 810386
Howard Hughes Medical Institute
Investment managerFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $445.4M
- Reported positions
- 30
- Holdings vs S&P 500, 3 yrs
- —
- Average holding period
- 1.1 yrs
Howard Hughes Medical Institute is an investment manager that reported 30 positions worth $445.4M in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Nvidia Corporation (NVDA, 14.5%), Apple Inc (AAPL, 12.9%), Alphabet Inc (GOOGL, 11.5%).
Howard Hughes Medical Institute holdings all 30 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
What Howard Hughes Medical Institute bought and sold in Q2 2026, against Q1 2026.
New positions
No new positions among the largest holdings.
Added to
- BKNG Booking Holdings Inc+2400.0% shares
- KLAC Kla Corp+900.0% shares
Reduced
No position shrank by more than 5%.
Sold out
- SPY State Str Spdr S&p 500 ETF Twas 13.8%
Share counts compared with the Q1 2026 13F; a split also changes share counts.
How the holdings did against the S&P 500.
- 1 year
- +17.1% /yr
- S&P 500 +20.1%
- 3 years
- —
- 5 years
- —
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $445.4M | 30 |
| Q1 2026 | $415.8M | 31 |
| Q4 2025 | $174.7M | 500 |
| Q3 2025 | $170.6M | 500 |
| Q2 2025 | $250.9M | 501 |
| Q1 2023 | $56.4M | 5 |
| Q4 2022 | $179.6M | 19 |
| Q3 2022 | $351.7M | 40 |
| Q2 2022 | $185.1M | 19 |
| Q1 2022 | $228.1M | 20 |
| Q4 2021 | $255.1M | 22 |
| Q3 2021 | $296.6M | 23 |
Questions about Howard Hughes Medical Institute's portfolio
What stocks does Howard Hughes Medical Institute own?
Howard Hughes Medical Institute's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 30 positions worth $445.4M. The largest are Nvidia Corporation (NVDA) at 14.5%, Apple Inc (AAPL) at 12.9%, Alphabet Inc (GOOGL) at 11.5%, Microsoft Corp (MSFT) at 8.6% and Taiwan Semiconductor Manufac (TSM) at 7.2%.
What did Howard Hughes Medical Institute buy last quarter?
In Q2 2026, Howard Hughes Medical Institute added Booking Holdings Inc (BKNG) (+2400.0% shares) and Kla Corp (KLAC) (+900.0% shares), compared with its Q1 2026 filing.
What did Howard Hughes Medical Institute sell last quarter?
In Q2 2026, Howard Hughes Medical Institute sold all of State Str Spdr S&p 500 ETF T (SPY), compared with its Q1 2026 filing.
When is Howard Hughes Medical Institute's next 13F filing due?
13F filings are due 45 days after each quarter ends. Howard Hughes Medical Institute's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.