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 | |
|---|---|---|---|---|---|---|
5801
PUT
Icon
ICLR
$13.1B
| $2.08M | ﹤0.01% |
11,400
-14,800
| -56% | -$2.64M |
|
|
AVL
5802
PUT
Direxion Daily AVGO Bull 2X ETF
AVL
$164M
| $2.08M | ﹤0.01% |
47,100
+15,400
| +49% | +$877K |
|
5803
PUT
Vaxcyte
PCVX
$8.96B
| $2.07M | ﹤0.01% |
44,900
+28,400
| +172% | +$1.27M |
|
5804
SmartFinancial
SMBK
$889M
| $2.07M | ﹤0.01% |
+55,995
| New | +$2.03M |
|
5805
Alpha Metallurgical Resources
AMR
$2.14B
| $2.07M | ﹤0.01% |
10,360
-109,828
| -91% | -$19M |
|
5806
Douglas Dynamics
PLOW
$969M
| $2.07M | ﹤0.01% |
63,374
+45,364
| +252% | +$1.43M |
|
|
SW
5807
PUT
Smurfit Westrock
SW
$25.1B
| $2.07M | ﹤0.01% |
53,500
+6,800
| +15% | +$259K |
|
|
LB
5808
PUT
LandBridge Co
LB
$2.26B
| $2.07M | ﹤0.01% |
42,200
+4,700
| +13% | +$273K |
|
5809
Fidelity Disruptive Technology ETF
FDTX
$302M
| $2.07M | ﹤0.01% |
50,735
-17,841
| -26% | -$731K |
|
5810
PUT
ProShares UltraPro Russell2000
URTY
$360M
| $2.06M | ﹤0.01% |
38,800
-40,700
| -51% | -$2.2M |
|
5811
CALL
NEOS S&P 500 High Income ETF
SPYI
$11.5B
| $2.06M | ﹤0.01% |
39,200
-58,600
| -60% | -$3.08M |
|
5812
TETRA Technologies
TTI
$1.25B
| $2.06M | ﹤0.01% |
219,387
+164,297
| +298% | +$1.27M |
|
5813
PUT
TechnipFMC
FTI
$31.3B
| $2.05M | ﹤0.01% |
46,100
+11,100
| +32% | +$469K |
|
5814
Direxion Daily CSI China Internet Index Bull 2X ETF
CWEB
$217M
| $2.05M | ﹤0.01% |
51,164
-49,649
| -49% | -$2.38M |
|
5815
Unitil
UTL
$986M
| $2.05M | ﹤0.01% |
42,360
-22,598
| -35% | -$1.1M |
|
5816
PUT
Axcelis
ACLS
$4.45B
| $2.05M | ﹤0.01% |
25,500
-61,100
| -71% | -$5.12M |
|
5817
CALL
Delek Logistics
DKL
$2.86B
| $2.05M | ﹤0.01% |
45,900
-43,000
| -48% | -$1.93M |
|
5818
PUT
Direxion Daily S&P Oil & Gas Exp. & Prod. Bull 2X ETF
GUSH
$261M
| $2.05M | ﹤0.01% |
93,400
+21,400
| +30% | +$498K |
|
5819
PUT
CDW
CDW
$16.9B
| $2.04M | ﹤0.01% |
15,000
-12,600
| -46% | -$1.86M |
|
5820
PUT
Matthews International
MATW
$718M
| $2.04M | ﹤0.01% |
78,200
+800
| +1% | +$19.6K |
|
5821
Vanguard Total World Bond ETF
BNDW
$1.88B
| $2.04M | ﹤0.01% |
29,695
-25,604
| -46% | -$1.78M |
|
5822
Vitamin Cottage Natural Grocers
NGVC
$642M
| $2.04M | ﹤0.01% |
81,477
+65,309
| +404% | +$2.09M |
|
5823
Sylvamo
SLVM
$1.45B
| $2.04M | ﹤0.01% |
42,370
-95,414
| -69% | -$4.34M |
|
|
BCPC
5824
CALL
Balchem Corp
BCPC
$5.69B
| $2.04M | ﹤0.01% |
13,300
+1,900
| +17% | +$290K |
|
|
WENNU
5825
Wen Acquisition Corp Unit
WENNU
$273M
| $2.04M | ﹤0.01% |
199,358
-303,972
| -60% | -$3.18M |
|
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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.