Ken Griffin Citadel Advisors
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.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$2.49B |
| 2 |
NVIDIA
NVDA
|
+$2.19B |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.94B |
| 4 |
TSMC
TSM
|
+$728M |
| 5 |
UnitedHealth
UNH
|
+$705M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$775M |
| 2 |
AbbVie
ABBV
|
+$540M |
| 3 |
Delta Air Lines
DAL
|
+$434M |
| 4 |
Eli Lilly
LLY
|
+$433M |
| 5 |
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 | |
|---|---|---|---|---|---|---|
|
BBOT
1826
BridgeBio Oncology
BBOT
$726M
| $31.7M | ﹤0.01% |
2,530,324
-7,817
| -0.3% | -$94.7K |
|
1827
PUT
KB Home
KBH
$3.44B
| $31.6M | ﹤0.01% |
560,700
-92,600
| -14% | -$5.7M |
|
1828
RLI Corp
RLI
$5.85B
| $31.5M | ﹤0.01% |
492,789
+341,606
| +226% | +$21.5M |
|
|
RNAM
1829
PUT
DELISTED
Avidity Biosciences
RNAM
| $31.5M | ﹤0.01% |
436,900
+305,900
| +234% | +$19.8M |
|
1830
Kemper
KMPR
$1.62B
| $31.5M | ﹤0.01% |
777,260
+331,015
| +74% | +$14.2M |
|
|
GLXY
1831
Galaxy Digital Inc
GLXY
$4.21B
| $31.5M | ﹤0.01% |
1,409,132
+475,458
| +51% | +$14.7M |
|
1832
CALL
TTM Technologies
TTMI
$14.7B
| $31.5M | ﹤0.01% |
456,600
+106,200
| +30% | +$6.93M |
|
1833
CALL
Kinross Gold
KGC
$32.4B
| $31.5M | ﹤0.01% |
1,118,300
-721,700
| -39% | -$18.7M |
|
1834
Arrowhead Research
ARWR
$12.2B
| $31.5M | ﹤0.01% |
474,259
+156,645
| +49% | +$7.68M |
|
1835
PUT
Cleveland-Cliffs
CLF
$6.79B
| $31.5M | ﹤0.01% |
2,370,800
-557,900
| -19% | -$7.04M |
|
1836
CALL
Markel Group
MKL
$22.9B
| $31.4M | ﹤0.01% |
14,600
+3,200
| +28% | +$6.48M |
|
1837
CALL
TransDigm Group
TDG
$69.5B
| $31.4M | ﹤0.01% |
23,600
-31,000
| -57% | -$40.6M |
|
1838
PUT
W.W. Grainger
GWW
$62.3B
| $31.4M | ﹤0.01% |
31,100
+23,900
| +332% | +$23.2M |
|
1839
Hecla Mining
HL
$12.3B
| $31.3M | ﹤0.01% |
1,630,517
-1,209,480
| -43% | -$18.5M |
|
1840
PUT
Direxion Daily Financial Bull 3x ETF
FAS
$2.49B
| $31.3M | ﹤0.01% |
185,800
+5,400
| +3% | +$896K |
|
1841
Cognex
CGNX
$11B
| $31.3M | ﹤0.01% |
868,705
+702,695
| +423% | +$28.4M |
|
1842
CALL
Whirlpool
WHR
$2.7B
| $31.2M | ﹤0.01% |
432,600
-18,100
| -4% | -$1.34M |
|
1843
PUT
Molina Healthcare
MOH
$11.1B
| $31.2M | ﹤0.01% |
179,500
+74,800
| +71% | +$12.3M |
|
1844
CALL
Crocs
CROX
$6.32B
| $31.1M | ﹤0.01% |
363,900
-81,700
| -18% | -$6.83M |
|
1845
Coca-Cola Europacific Partners
CCEP
$47.6B
| $31.1M | ﹤0.01% |
343,026
+293,195
| +588% | +$26.5M |
|
1846
Affirm
AFRM
$26.2B
| $31.1M | ﹤0.01% |
417,982
-292,375
| -41% | -$21M |
|
1847
CALL
Steel Dynamics
STLD
$36.7B
| $31M | ﹤0.01% |
183,000
-189,400
| -51% | -$30.1M |
|
1848
LKQ Corp
LKQ
$6.43B
| $30.9M | ﹤0.01% |
1,023,858
+452,710
| +79% | +$13.7M |
|
1849
SharkNinja
SN
$26.1B
| $30.9M | ﹤0.01% |
276,321
+272,691
| +7,512% | +$26.9M |
|
1850
Jabil
JBL
$38B
| $30.9M | ﹤0.01% |
135,520
+17,523
| +15% | +$3.74M |
|
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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.