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 Com (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.

Howard Hughes Medical Institute 13F holdings
Stock	% of 13F value	Q1 2026	Shares	Share change	Reported value
NVDANvidia Corporation Com	14.5%	13.5%	322,105	+0.0%	$64.4M
AAPLApple Inc	12.9%	12.1%	198,755	+0.0%	$57.5M
GOOGLAlphabet Inc	11.5%	9.9%	143,665	+0.0%	$51.3M
MSFTMicrosoft Corp	8.6%	9.1%	102,314	+0.0%	$38.2M
TSMTaiwan Semiconductor Manufac	7.2%	5.4%	66,773	+0.0%	$31.9M
AMZNAmazon Com Inc Com	7.1%	6.7%	132,871	+0.0%	$31.7M
AVGOBroadcom Inc	5.5%	4.8%	65,028	+0.0%	$24.6M
MUMicron Technology Inc	4.1%	1.3%	15,704	+0.0%	$18.1M
METAMeta Platforms Inc Class A	3.9%	4.2%	30,787	+0.0%	$17.3M
TSLATesla Inc Com	3.9%	3.7%	41,177	+0.0%	$17.3M
AMDAdvanced Micro Devices Inc	3.0%	1.1%	22,624	+0.0%	$13.1M
ASMLAsml Hldg NV	2.4%	1.7%	5,405	+0.0%	$10.8M
INTCIntel Corp	1.8%	0.6%	57,142	+0.0%	$8.0M
AMATApplied Matls Inc	1.8%	0.9%	10,984	+0.0%	$7.9M
LRCXLam Research Corp	1.7%	0.9%	17,396	+0.0%	$7.5M
CSCOCisco Sys Inc	1.3%	0.9%	50,326	+0.0%	$5.9M
KLACKla Corp	1.2%	0.6%	18,250	+900.0%	$5.5M
NFLXNetflix Inc Total	0.9%	1.4%	58,670	+0.0%	$4.2M
TXNTexas Instruments Inc	0.8%	0.6%	12,645	+0.0%	$3.8M
IBMInternational Business Machs	0.8%	0.8%	13,023	+0.0%	$3.7M
PLTRPalantir Technologies Inclass Class A	0.8%	1.1%	30,757	+0.0%	$3.6M
ORCLOracle Corp	0.8%	0.8%	23,851	+0.0%	$3.5M
QCOMQualcomm Inc	0.6%	0.5%	14,838	+0.0%	$2.7M
DISDisney Walt Co	0.5%	0.6%	24,660	+0.0%	$2.4M
SAPGFSap SE	0.5%	0.6%	14,868	+0.0%	$2.3M
UBERUber Technologies Inc	0.5%	0.5%	28,895	+0.0%	$2.1M
BKNGBooking Holdings Inc Com	0.4%	0.5%	11,100	+2400.0%	$2.0M
CRMSalesforce Inc Com	0.4%	0.6%	12,612	+0.0%	$2.0M
ACNAccenture PLC Ireland Shs Class A	0.2%	0.4%	8,607	+0.0%	$1.1M
INTUIntuit	0.2%	0.4%	3,794	+0.0%	$990K

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 Com+2400.0% shares
KLAC Kla Corp+900.0% shares

Reduced

No position shrank by more than 5%.

Sold out

SPY Spdr S&p 500 ETF Trwas 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 and rebuilt each quarter on the day the filing became public. 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.

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 Com (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 Com (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 Spdr S&p 500 ETF Tr (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.