Top Institutional Investors

HOWARD HUGHES MEDICAL INSTITUTE — 13F Holdings & Portfolio

CIK 810386 · latest 13F-HR filed 2026-08-14

Backtest portfolio

HOWARD HUGHES MEDICAL INSTITUTE manages $445.4M in 13F-reported U.S. long-equity assets across 30 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are NVDA (14.47%), AAPL (12.91%), GOOGL (11.53%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 0 new positions, exited 1, added to 19, and trimmed 6.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Filer Information
Address
4000 JONES BRIDGE ROAD
CHEVY CHASE, MD 20815-6789
Phone
(301) 215-8500
Filing Manager
Howard Hughes Medical Institute
Chevy Chase, MD
Signatory
Donald L. Koch
Vice President & Chief Investment Officer
Loading holdings…
AUM

$445.4M

Long-equity book

Holdings

30

Distinct positions

Period

2026-06-30

Filed 2026-08-14

Q/Q Activity

+0 / −1 / ↑19 / ↓6

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • MICRON TECHNOLOGY INC$12.8M +241.7%
  • ALPHABET INC$10.0M +24.3%
  • TAIWAN SEMICONDUCTOR MANUFAC$9.3M +41.3%
  • ADVANCED MICRO DEVICES INC$8.5M +185.6%
  • NVIDIA CORPORATION$8.3M +14.7%
Show all 19 →

Top Trims

  • NETFLIX INC.-$1.5M -25.7%
  • PALANTIR TECHNOLOGIES INC-$910.7K -20.2%
  • INTUIT-$650.2K -39.6%
  • ACCENTURE PLC IRELAND-$635.6K -37.2%
  • SALESFORCE INC-$378.5K -16.1%
Show all 6 →

New Positions

  • No new positions this quarter.
Show all 0 →

Exited Positions

  • STATE STR SPDR S&P 500 ETF T$57.4M
Show all 1 →
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 NVIDIA CORPORATION NVDA 67066G104 $64.4M 14.47% 322,105 SH
2 APPLE INC AAPL 037833100 $57.5M 12.91% 198,755 SH
3 ALPHABET INC GOOGL 02079K305 $51.3M 11.53% 143,665 SH
4 MICROSOFT CORP MSFT 594918104 $38.2M 8.57% 102,314 SH
5 TAIWAN SEMICONDUCTOR MANUFAC TSM 874039100 $31.9M 7.16% 66,773 SH
6 AMAZON COM INC AMZN 023135106 $31.7M 7.11% 132,871 SH
7 BROADCOM INC AVGO 11135F101 $24.6M 5.52% 65,028 SH
8 MICRON TECHNOLOGY INC MU 595112103 $18.1M 4.07% 15,704 SH
9 META PLATFORMS INC META 30303M102 $17.3M 3.89% 30,787 SH
10 TESLA INC TSLA 88160R101 $17.3M 3.89% 41,177 SH
11 ADVANCED MICRO DEVICES INC AMD 007903107 $13.1M 2.95% 22,624 SH
12 ASML HLDG NV ASML N07059210 $10.8M 2.41% 5,405 SH
13 INTEL CORP INTC 458140100 $8.0M 1.79% 57,142 SH
14 APPLIED MATLS INC AMAT 038222105 $7.9M 1.78% 10,984 SH
15 LAM RESEARCH CORP LRCX 512807306 $7.5M 1.69% 17,396 SH
16 CISCO SYS INC CSCO 17275R102 $5.9M 1.33% 50,326 SH
17 KLA CORP KLAC 482480100 $5.5M 1.24% 18,250 SH
18 NETFLIX INC. NFLX 64110L106 $4.2M 0.94% 58,670 SH
19 TEXAS INSTRS INC TXN 882508104 $3.8M 0.85% 12,645 SH
20 INTERNATIONAL BUSINESS MACHS IBM 459200101 $3.7M 0.82% 13,023 SH
21 PALANTIR TECHNOLOGIES INC PLTR 69608A108 $3.6M 0.81% 30,757 SH
22 ORACLE CORP ORCL 68389X105 $3.5M 0.78% 23,851 SH
23 QUALCOMM INC QCOM 747525103 $2.7M 0.62% 14,838 SH
24 DISNEY WALT CO DIS 254687106 $2.4M 0.53% 24,660 SH
25 SAP SE SAP 803054204 $2.3M 0.51% 14,868 SH
26 UBER TECHNOLOGIES INC UBER 90353T100 $2.1M 0.47% 28,895 SH
27 BOOKING HOLDINGS INC BKNG 09857L108 $2.0M 0.44% 11,100 SH
28 SALESFORCE INC CRM 79466L302 $2.0M 0.44% 12,612 SH
29 ACCENTURE PLC IRELAND ACN G1151C101 $1.1M 0.24% 8,607 SH
30 INTUIT INTU 461202103 $990.2K 0.22% 3,794 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $445.4M 30 0001193125-26-350254
2026-03-31 2026-05-15 $415.8M 31 0001193125-26-225362
2025-12-31 2026-02-17 $174.7M 500 0001193125-26-052983
2025-09-30 2025-11-14 $170.6M 500 0001193125-25-281376