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Ken Griffin

Ken Griffin Citadel Advisors

AUM $875B
1-Year Est. Return 40.91%
 

Ken Griffin founded Citadel, one of the world’s largest and most successful hedge funds. Starting his trading career from his Harvard dorm room at a young age, Griffin quickly developed a keen sense for markets and built Citadel into a global powerhouse with billions in assets under management. Known for his quantitative and technology-driven strategies, Griffin has also made headlines for significant philanthropic contributions, supporting causes in education, the arts, and public institutions. Over the years, he has earned recognition as one of the preeminent figures in modern finance.

This Fund
S&P 500
This Quarter Est. Return
+5.22%
1 Year Est. Return
+40.91%
3 Year Est. Return
+115.85%
5 Year Est. Return
+132.1%
10 Year Est. Return
+518.81%
AUM
$666B
AUM Growth
+$8.72B
Cap. Flow
+$1.57B
Cap. Flow %
0.24%
Top 10 Hldgs %
22.76%
Holding
14,701
New
2,078
Increased
5,000
Reduced
5,362
Closed
2,191

Top Buys

Rank Stock Value
1
AMZN icon
Amazon
AMZN
+$2.49B
2
NVDA icon
NVIDIA
NVDA
+$2.19B
3
DIA icon
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
+$1.94B
4
TSM icon
TSMC
TSM
+$728M
5
UNH icon
UnitedHealth
UNH
+$705M

Top Sells

Rank Stock Value
1
META icon
Meta Platforms (Facebook)
META
+$775M
2
ABBV icon
AbbVie
ABBV
+$540M
3
DAL icon
Delta Air Lines
DAL
+$434M
4
LLY icon
Eli Lilly
LLY
+$433M
5
DXCM icon
DexCom
DXCM
+$433M

Sector Composition

Rank Sector Weight
1 Technology 4.89%
2 Healthcare 2.92%
3 Financials 2.71%
4 Consumer Discretionary 2.52%
5 Industrials 2.2%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
YRD
8951
Yiren Digital
YRD
$104M
$505K ﹤0.01%
136,462
+32,318
+31% +$165K
DAY
8952
CALL
DELISTED
Dayforce
DAY
$505K ﹤0.01%
7,300
-15,000
-67% -$1.03M
FDIG icon
8953
CALL
Fidelity Crypto Industry and Digital Payments ETF
FDIG
$256M
$505K ﹤0.01%
13,100
+8,100
+162% +$382K
ENLT icon
8954
PUT
Enlight Renewable Energy
ENLT
$11.7B
$505K ﹤0.01%
11,100
-39,900
-78% -$1.49M
AMDY icon
8955
CALL
YieldMax AMD Option Income Strategy ETF
AMDY
$408M
$505K ﹤0.01%
13,260
+8,920
+206% +$389K
ABUS icon
8956
Arbutus Biopharma
ABUS
$942M
$504K ﹤0.01%
104,843
-88,848
-46% -$400K
ALRS icon
8957
Alerus Financial
ALRS
$839M
$504K ﹤0.01%
+22,388
New +$488K
FRT icon
8958
PUT
Federal Realty Investment Trust
FRT
$10.2B
$504K ﹤0.01%
5,000
-2,900
-37% -$286K
GUTS icon
8959
Fractyl Health
GUTS
$109M
$504K ﹤0.01%
228,985
-1,553,371
-87% -$2.5M
MEDI icon
8960
Harbor Health Care ETF
MEDI
$43.7M
$504K ﹤0.01%
16,010
-166
-1% -$5.11K
MDY icon
8961
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.5B
$503K ﹤0.01%
834
-62
-7% -$37.1K
STOK icon
8962
Stoke Therapeutics
STOK
$2.07B
$503K ﹤0.01%
15,851
-58,205
-79% -$1.75M
OPEX
8963
Tradr 2X Long OPEN Daily ETF
OPEX
$8.14M
$503K ﹤0.01%
+11,894
New +$853K
IAUI
8964
PUT
NEOS Gold High Income ETF
IAUI
$556M
$503K ﹤0.01%
+9,000
New +$493K
PCRX icon
8965
CALL
Pacira BioSciences
PCRX
$932M
$502K ﹤0.01%
19,400
-22,600
-54% -$537K
VRRM icon
8966
PUT
Verra Mobility
VRRM
$714M
$502K ﹤0.01%
22,400
-4,100
-15% -$93.6K
ORBS
8967
PUT
Eightco Holdings
ORBS
$260M
$502K ﹤0.01%
+290,100
New +$1.36M
ZVRA icon
8968
PUT
Zevra Therapeutics
ZVRA
$682M
$502K ﹤0.01%
56,000
-63,600
-53% -$601K
EPRF icon
8969
Innovator S&P Investment Grade Preferred ETF
EPRF
$68.3M
$502K ﹤0.01%
28,525
+4,121
+17% +$73.7K
CDZI icon
8970
Cadiz
CDZI
$283M
$501K ﹤0.01%
89,295
-152,809
-63% -$820K
MXL icon
8971
PUT
MaxLinear
MXL
$7.84B
$500K ﹤0.01%
28,700
+8,300
+41% +$135K
GTPE
8972
CALL
Goldman Sachs MSCI World Private Equity Return Tracker ETF
GTPE
$31.4M
$500K ﹤0.01%
+9,700
New +$491K
SMOT icon
8973
VanEck Morningstar SMID Moat ETF
SMOT
$335M
$500K ﹤0.01%
+13,813
New +$499K
NMRK icon
8974
CALL
Newmark Group
NMRK
$2.77B
$499K ﹤0.01%
28,800
+16,100
+127% +$282K
BATT icon
8975
Amplify Lithium & Battery Technology ETF
BATT
$126M
$499K ﹤0.01%
36,181
-2,935
-8% -$39.6K
357 358
359
360 361

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Ken Griffin's Q4 2025 Portfolio in Review

As of Q4 2025, Ken Griffin held 14,701 positions worth $666B, up 1.3% from $657B the previous quarter. Its ten largest holdings account for 23% of the portfolio.

Ken Griffin's Q4 2025 filing shows 2,078 new, 5,000 increased, 5,362 reduced and 2,191 closed positions. Its largest new stake was Medline Inc: 6,006,339 shares worth $252M. The largest sale was Meta Platforms (Facebook), an estimated $775M.

By sector, the portfolio is most concentrated in Technology at 4.9% of assets, up from 3.8% a quarter earlier, followed by Healthcare and Financials.

  • Ken Griffin's largest Q4 2025 buy was Medline Inc: 6,006,339 shares worth $252M.
  • Ken Griffin added most to Amazon in Q4 2025, an estimated $2.49B increase.
  • Ken Griffin's biggest Q4 2025 reduction was Meta Platforms (Facebook), cutting an estimated $775M.
  • Ken Griffin fully exited WEX in Q4 2025, selling an estimated $131M.
  • Ken Griffin's ten largest holdings make up 23% of its $666B portfolio in Q4 2025.
  • Ken Griffin opened 2,078 new positions and closed 2,191 in Q4 2025.
  • Ken Griffin's portfolio value rose 1.3% quarter-over-quarter to $666B.

Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.