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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
YLD icon
8076
Principal Active High Yield ETF
YLD
$587M
$730K ﹤0.01%
+38,418
New +$735K
OTEX icon
8077
PUT
Open Text
OTEX
$5.79B
$730K ﹤0.01%
22,400
-24,800
-53% -$884K
PSCQ icon
8078
Pacer Swan SOS Conservative October ETF
PSCQ
$47M
$730K ﹤0.01%
+24,723
New +$722K
ABX
8079
PUT
Abacus Global Management
ABX
$892M
$729K ﹤0.01%
85,300
+61,100
+252% +$402K
JNK icon
8080
CALL
State Street SPDR Bloomberg High Yield Bond ETF
JNK
$6.74B
$729K ﹤0.01%
7,500
+3,300
+79% +$321K
ABOS icon
8081
Acumen Pharmaceuticals
ABOS
$193M
$729K ﹤0.01%
345,283
-148,825
-30% -$295K
ATEC icon
8082
PUT
Alphatec Holdings
ATEC
$1.51B
$728K ﹤0.01%
34,600
-47,600
-58% -$881K
TSMU
8083
PUT
GraniteShares 2x Long TSM Daily ETF
TSMU
$62.9M
$728K ﹤0.01%
16,600
+8,400
+102% +$353K
UHAL icon
8084
CALL
U-Haul Holding Co
UHAL
$14.4B
$726K ﹤0.01%
14,400
+2,800
+24% +$149K
MNKD icon
8085
CALL
MannKind Corp
MNKD
$1.25B
$726K ﹤0.01%
128,000
-50,100
-28% -$276K
ULS icon
8086
PUT
UL Solutions
ULS
$15.6B
$726K ﹤0.01%
9,200
-47,800
-84% -$3.84M
FISI icon
8087
Financial Institutions
FISI
$823M
$725K ﹤0.01%
23,274
+14,695
+171% +$433K
GLUE icon
8088
Monte Rosa Therapeutics
GLUE
$1.32B
$725K ﹤0.01%
46,263
-4,746
-9% -$64K
CVIE icon
8089
Calvert International Responsible Index ETF
CVIE
$484M
$725K ﹤0.01%
+10,171
New +$711K
ILOW
8090
AB International Low Volatility Equity ETF
ILOW
$1.89B
$725K ﹤0.01%
+17,023
New +$721K
VEA icon
8091
CALL
Vanguard FTSE Developed Markets ETF
VEA
$240B
$725K ﹤0.01%
11,600
-7,300
-39% -$447K
APOG icon
8092
CALL
Apogee Enterprises
APOG
$889M
$725K ﹤0.01%
19,900
+14,700
+283% +$556K
VTS icon
8093
CALL
Vitesse Energy
VTS
$683M
$724K ﹤0.01%
37,600
-13,500
-26% -$288K
FDEV icon
8094
Fidelity International Multifactor ETF
FDEV
$287M
$723K ﹤0.01%
20,899
-22,564
-52% -$759K
QLTI
8095
GMO International Quality ETF
QLTI
$296M
$723K ﹤0.01%
+27,172
New +$708K
KB icon
8096
CALL
KB Financial Group
KB
$42.2B
$723K ﹤0.01%
8,400
-4,500
-35% -$379K
PLDR
8097
DELISTED
Putnam Sustainable Leaders ETF
PLDR
$722K ﹤0.01%
19,413
-1,646
-8% -$60.6K
CRVS icon
8098
CALL
Corvus Pharmaceuticals
CRVS
$1.25B
$722K ﹤0.01%
93,800
+45,600
+95% +$360K
BW icon
8099
PUT
Babcock & Wilcox
BW
$1.48B
$722K ﹤0.01%
113,900
+24,100
+27% +$119K
VSDA icon
8100
VictoryShares Dividend Accelerator ETF
VSDA
$237M
$721K ﹤0.01%
13,666
-27,063
-66% -$1.43M
322 323
324
325 326

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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.