Institutional Manager · CIK 0000810386
Howard Hughes Medical Institute
Chevy Chase, MD · File #028-01897
Latest AUM
$174.7M
Positions
500
Top-10 Concentration
98.2%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| ADD | NETFLIX INC | NFLX | +821 | +$76,977 | -$101,675 |
| ADD | SERVICENOW INC | NOW | +178 | +$27,268 | -$33,752 |
| NEW | CRH PLC | CRH | +144 | +$17,971 | $0 |
| NEW | CARVANA CO | CVNA | +30 | +$12,661 | $0 |
| NEW | SANDISK CORP | SNDK | +30 | +$7,121 | $0 |
| NEW | ARES MANAGEMENT CORPORATION | ARES-PB | +44 | +$7,112 | $0 |
| NEW | COMFORT SYS USA INC | 199908104 | +7 | +$6,533 | $0 |
| EXITED | KELLANOVA | 487836108 | -58 | -$4,757 | $0 |
| NEW | QNITY ELECTRONICS INC | Q | +45 | +$3,674 | $0 |
| REDUCE | NVIDIA CORPORATION | NVDA | -19 | -$3,544 | -$418 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025500 pos · $174.7M
- 13F HOLDINGS REPORTQ/E Sep 2025500 pos · $170.6M
- 13F HOLDINGS REPORTQ/E Jun 2025501 pos · $250.9M
- 13F HOLDINGS REPORTQ/E Mar 20252 pos · $202.2M
- 13F HOLDINGS REPORTQ/E Dec 20242 pos · $568.4M
- 13F HOLDINGS REPORTQ/E Sep 20242 pos · $630.4M
- 13F HOLDINGS REPORTQ/E Jun 20241 pos · $466.2M
- 13F HOLDINGS REPORTQ/E Mar 20242 pos · $332.9M
- 13F HOLDINGS REPORTQ/E Dec 20232 pos · $19.6M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | SPDR S&P 500 ETF TR | SPY | 237,885 | $162.2M | 95.40% |
| 2 | NVIDIA CORPORATION | NVDA | 5,221 | $973,717 | 0.57% |
| 3 | APPLE INC | AAPL | 3,184 | $865,602 | 0.51% |
| 4 | MICROSOFT CORP | MSFT | 1,600 | $773,792 | 0.46% |
| 5 | AMAZON COM INC | AMZN | 2,093 | $483,106 | 0.28% |
| 6 | ALPHABET INC | GOOG | 1,250 | $391,250 | 0.23% |
| 7 | BROADCOM INC | AVGO | 1,016 | $351,638 | 0.21% |
| 8 | ALPHABET INC | GOOG | 1,000 | $313,800 | 0.18% |
| 9 | META PLATFORMS INC | META | 469 | $309,582 | 0.18% |
| 10 | TESLA INC | TSLA | 603 | $271,181 | 0.16% |
| 11 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 395 | $198,547 | 0.12% |
| 12 | JPMORGAN CHASE & CO. | VYLD | 588 | $189,465 | 0.11% |
| 13 | ELI LILLY & CO | LLY | 171 | $183,770 | 0.11% |
| 14 | VISA INC | V | 364 | $127,658 | 0.08% |
| 15 | EXXON MOBIL CORP | XOM | 912 | $109,750 | 0.06% |
| 16 | JOHNSON & JOHNSON | JNJ | 520 | $107,614 | 0.06% |
| 17 | WALMART INC | WMT | 947 | $105,505 | 0.06% |
| 18 | MASTERCARD INCORPORATED | MA | 177 | $101,046 | 0.06% |
| 19 | PALANTIR TECHNOLOGIES INC | PLTR | 490 | $87,098 | 0.05% |
| 20 | ABBVIE INC | ABBV | 381 | $87,055 | 0.05% |