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 | |
|---|---|---|---|---|---|---|
3401
CALL
Regions Financial
RF
$27.2B
| $8.75M | ﹤0.01% |
323,000
+60,500
| +23% | +$1.55M |
|
|
TIGR
3402
CALL
UP Fintech Holding
TIGR
$822M
| $8.75M | ﹤0.01% |
915,400
-927,300
| -50% | -$8.85M |
|
3403
CALL
Lattice Semiconductor
LSCC
$18.5B
| $8.75M | ﹤0.01% |
118,900
-46,300
| -28% | -$3.3M |
|
3404
PUT
American Water Works
AWK
$27.1B
| $8.74M | ﹤0.01% |
67,000
+13,600
| +25% | +$1.82M |
|
3405
NovoCure
NVCR
$1.97B
| $8.74M | ﹤0.01% |
675,831
+452,274
| +202% | +$5.81M |
|
3406
Prothena Corp
PRTA
$455M
| $8.71M | ﹤0.01% |
912,382
+145,277
| +19% | +$1.48M |
|
3407
CALL
Academy Sports + Outdoors
ASO
$2.98B
| $8.7M | ﹤0.01% |
174,200
-98,900
| -36% | -$4.91M |
|
3408
ACV Auctions
ACVA
$1.4B
| $8.7M | ﹤0.01% |
1,084,956
+125,173
| +13% | +$1.01M |
|
3409
Lincoln National
LNC
$8.7B
| $8.69M | ﹤0.01% |
195,197
-667,021
| -77% | -$27.8M |
|
3410
Fidelity Wise Origin Bitcoin Fund
FBTC
$11.7B
| $8.69M | ﹤0.01% |
113,963
-67,134
| -37% | -$5.86M |
|
3411
CALL
LPL Financial
LPLA
$29.2B
| $8.68M | ﹤0.01% |
24,300
+5,800
| +31% | +$2.05M |
|
3412
CALL
GDS Holdings
GDS
$6.89B
| $8.68M | ﹤0.01% |
248,600
-307,500
| -55% | -$10.6M |
|
3413
CALL
Sunoco
SUN
$14.2B
| $8.66M | ﹤0.01% |
165,300
-154,800
| -48% | -$8.18M |
|
3414
The Bancorp
TBBK
$2.84B
| $8.66M | ﹤0.01% |
128,222
+18,318
| +17% | +$1.26M |
|
3415
CALL
Ionis Pharmaceuticals
IONS
$9.51B
| $8.65M | ﹤0.01% |
109,400
-400
| -0.4% | -$30.1K |
|
3416
Humana
HUM
$46.7B
| $8.64M | ﹤0.01% |
33,751
-288,273
| -90% | -$75.6M |
|
3417
Brighthouse Financial
BHF
$3.37B
| $8.64M | ﹤0.01% |
133,312
+98,947
| +288% | +$5.81M |
|
3418
CALL
VanEck Uranium + Nuclear Energy ETF
NLR
$4.18B
| $8.63M | ﹤0.01% |
69,500
+33,400
| +93% | +$4.59M |
|
3419
Grupo Cibest SA
CIB
$22.8B
| $8.62M | ﹤0.01% |
135,456
+91,164
| +206% | +$5.46M |
|
3420
NextDecade
NEXT
$1.91B
| $8.61M | ﹤0.01% |
1,634,668
-1,378,165
| -46% | -$8.22M |
|
3421
Trump Media & Technology Group
DJT
$2.3B
| $8.6M | ﹤0.01% |
649,402
+252,885
| +64% | +$3.45M |
|
3422
Cracker Barrel
CBRL
$1.29B
| $8.6M | ﹤0.01% |
338,402
+332,656
| +5,789% | +$10.6M |
|
3423
PUT
Hycroft Mining Holding Corp
HYMC
$2.52B
| $8.59M | ﹤0.01% |
361,400
+258,600
| +252% | +$2.86M |
|
3424
Dimensional Global Real Estate ETF
DFGR
$3.85B
| $8.59M | ﹤0.01% |
325,095
+268,557
| +475% | +$7.24M |
|
3425
EnerSys
ENS
$7.34B
| $8.58M | ﹤0.01% |
58,489
-20,850
| -26% | -$2.78M |
|
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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.