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HHMI

Howard Hughes Medical Institute Portfolio holdings

AUM $416M
1-Year Est. Return 13.82%
This Fund
S&P 500
This Quarter Est. Return
-7.04%
1 Year Est. Return
+13.82%
3 Year Est. Return
+59.34%
5 Year Est. Return
+48.21%
10 Year Est. Return
+227.75%
AUM
$416M
AUM Growth
+$241M
Cap. Flow
+$269M
Cap. Flow %
64.6%
Top 10 Hldgs %
83.32%
Holding
503
New
3
Increased
27
Reduced
1
Closed
472

Top Buys

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$58.1M
2
AAPL icon
Apple
AAPL
+$50.9M
3
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$44.7M
4
MSFT icon
Microsoft
MSFT
+$42.1M
5
AMZN icon
Amazon
AMZN
+$28.8M

Top Sells

Rank Stock Value
1
SPY icon
State Street SPDR S&P 500 ETF Trust
SPY
+$102M
2
GOOG icon
Alphabet (Google) Class C
GOOG
+$314K
3
BRK.B icon
Berkshire Hathaway Class B
BRK.B
+$199K
4
JPM icon
JPMorgan Chase
JPM
+$189K
5
LLY icon
Eli Lilly
LLY
+$184K

Sector Composition

Rank Sector Weight
1 Technology 59.32%
2 Communication Services 16.1%
3 Consumer Discretionary 10.79%
4 Financials 0%
5 Healthcare 0%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
LW icon
301
Lamb Weston
LW
$7.22B
– –
-30
Closed -$1.26K
LYB icon
302
LyondellBasell Industries
LYB
$20B
– –
-56
Closed -$2.42K
LYV icon
303
Live Nation Entertainment
LYV
$40.6B
– –
-34
Closed -$4.84K
MA icon
304
Mastercard
MA
$502B
– –
-177
Closed -$101K
MAA icon
305
Mid-America Apartment Communities
MAA
$15.4B
– –
-25
Closed -$3.47K
MAR icon
306
Marriott International
MAR
$98.3B
– –
-48
Closed -$14.9K
MAS icon
307
Masco
MAS
$14.1B
– –
-45
Closed -$2.86K
MCD icon
308
McDonald's
MCD
$192B
– –
-154
Closed -$47.1K
MCHP icon
309
Microchip Technology
MCHP
$40.3B
– –
-116
Closed -$7.39K
MCK icon
310
McKesson
MCK
$100B
– –
-27
Closed -$22.1K
MCO icon
311
Moody's
MCO
$82.8B
– –
-33
Closed -$16.9K
MDLZ icon
312
Mondelez International
MDLZ
$79.5B
– –
-278
Closed -$15K
MDT icon
313
Medtronic
MDT
$109B
– –
-276
Closed -$26.5K
MET icon
314
MetLife
MET
$61.9B
– –
-120
Closed -$9.47K
MGM icon
315
MGM Resorts International
MGM
$11.4B
– –
-44
Closed -$1.61K
MKC icon
316
McCormick & Company Non-Voting
MKC
$13.7B
– –
-54
Closed -$3.68K
MLM icon
317
Martin Marietta Materials
MLM
$31.5B
– –
-13
Closed -$8.1K
MRSH
318
Marsh
MRSH
$90.5B
– –
-106
Closed -$19.7K
MMM icon
319
3M
MMM
$90.9B
– –
-115
Closed -$18.4K
MNST icon
320
Monster Beverage
MNST
$94.3B
– –
-153
Closed -$11.7K
MOH icon
321
Molina Healthcare
MOH
$10.2B
– –
-11
Closed -$1.91K
MOS icon
322
The Mosaic Company
MOS
$7.03B
– –
-68
Closed -$1.64K
MPC icon
323
Marathon Petroleum
MPC
$92.4B
– –
-65
Closed -$10.6K
MPWR icon
324
Monolithic Power Systems
MPWR
$70.1B
– –
-10
Closed -$9.06K
MRK icon
325
Merck
MRK
$322B
– –
-534
Closed -$56.2K
11 12
13
14 15

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VM
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SCP
Stevens Capital Partners Omaha, Nebraska $416M AUM 18.93% 1-Year Est. Return
SSC
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SSC
Syverson Strege & Co West Des Moines, Iowa $416M AUM 21.16% 1-Year Est. Return
CEI
Clark Estates Inc New York $416M AUM 6.04% 1-Year Est. Return
I
InceptionR Lafayette, California $415M AUM 17.85% 1-Year Est. Return
AWCI
Alpine Woods Capital Investors Purchase, New York $417M AUM 26.83% 1-Year Est. Return
SCMS
Serenity Capital Management (Singapore) Singapore $414M AUM 16.41% 1-Year Est. Return

Howard Hughes Medical Institute's Q1 2026 Portfolio in Review

As of Q1 2026, Howard Hughes Medical Institute held 503 positions worth $416M, up 138% from $175M the previous quarter. Its ten largest holdings account for 83% of the portfolio.

Howard Hughes Medical Institute deployed $269M of net new capital in Q1 2026, opening 3 new positions and adding to 27 existing holdings. Its largest new stake was TSMC: 66,773 shares worth $22.6M.

By sector, the portfolio is most concentrated in Technology at 59% of assets, up from 2.5% a quarter earlier, followed by Communication Services and Consumer Discretionary.

On the sell side, the largest reduction was State Street SPDR S&P 500 ETF Trust, an estimated $102M trimmed.

  • Howard Hughes Medical Institute's largest Q1 2026 buy was TSMC: 66,773 shares worth $22.6M.
  • Howard Hughes Medical Institute added most to NVIDIA in Q1 2026, an estimated $58.1M increase.
  • Howard Hughes Medical Institute's biggest Q1 2026 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $102M.
  • Howard Hughes Medical Institute fully exited Alphabet (Google) Class C in Q1 2026, selling an estimated $314K.
  • Howard Hughes Medical Institute's ten largest holdings make up 83% of its $416M portfolio in Q1 2026.
  • Howard Hughes Medical Institute opened 3 new positions and closed 472 in Q1 2026.
  • Howard Hughes Medical Institute's portfolio value rose 138% quarter-over-quarter to $416M.

Based on Howard Hughes Medical Institute's 13F filing for Q1 2026, filed 15 May 2026.