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 | |
|---|---|---|---|---|---|---|
2251
PUT
Hertz
HTZ
$798M
| $21.2M | ﹤0.01% |
4,121,800
+1,381,000
| +50% | +$7.54M |
|
2252
Viridian Therapeutics
VRDN
$2.5B
| $21.2M | ﹤0.01% |
679,694
+602,321
| +778% | +$16.5M |
|
2253
Sable Offshore Corp
SOC
$796M
| $21.1M | ﹤0.01% |
2,340,322
+1,654,009
| +241% | +$15.6M |
|
2254
PUT
Li Auto
LI
$12B
| $21.1M | ﹤0.01% |
1,246,600
-15,000
| -1% | -$297K |
|
2255
CALL
Monster Beverage
MNST
$91.7B
| $21.1M | ﹤0.01% |
550,200
-123,400
| -18% | -$4.42M |
|
2256
Knight Transportation
KNX
$11.8B
| $21.1M | ﹤0.01% |
403,283
-1,567,016
| -80% | -$73.4M |
|
2257
Centrus Energy
LEU
$3.79B
| $21.1M | ﹤0.01% |
86,751
+74,225
| +593% | +$22.4M |
|
2258
CALL
Blue Owl Capital
OWL
$19.1B
| $21.1M | ﹤0.01% |
1,409,500
+862,400
| +158% | +$13.5M |
|
2259
Madrigal Pharmaceuticals
MDGL
$11.7B
| $21M | ﹤0.01% |
36,134
-12,238
| -25% | -$6.25M |
|
2260
CALL
Freshpet
FRPT
$3.5B
| $21M | ﹤0.01% |
344,600
-5,000
| -1% | -$284K |
|
2261
Emerson Electric
EMR
$91B
| $21M | ﹤0.01% |
158,130
+42,013
| +36% | +$5.57M |
|
2262
PUT
Alpha Metallurgical Resources
AMR
$2.11B
| $20.9M | ﹤0.01% |
104,700
-41,100
| -28% | -$7.1M |
|
2263
Liberty Broadband Class C
LBRDK
$5.21B
| $20.9M | ﹤0.01% |
430,399
-198,035
| -32% | -$10.3M |
|
2264
CALL
VF Corp
VFC
$5.85B
| $20.9M | ﹤0.01% |
1,156,000
+327,300
| +39% | +$5.3M |
|
2265
Trimble
TRMB
$13.4B
| $20.9M | ﹤0.01% |
266,711
-460,715
| -63% | -$36.7M |
|
2266
Intapp
INTA
$3.07B
| $20.9M | ﹤0.01% |
455,944
+371,874
| +442% | +$15.4M |
|
|
ELME
2267
Elme Communities
ELME
$144M
| $20.9M | ﹤0.01% |
1,199,915
+864,661
| +258% | +$14.7M |
|
|
TRTX
2268
CALL
TPG RE Finance Trust
TRTX
$609M
| $20.8M | ﹤0.01% |
2,420,800
-516,200
| -18% | -$4.58M |
|
2269
PUT
Zoetis
ZTS
$30.5B
| $20.8M | ﹤0.01% |
165,400
-24,700
| -13% | -$3.22M |
|
2270
Watsco Inc
WSO
$12.9B
| $20.8M | ﹤0.01% |
61,757
-45,439
| -42% | -$16.2M |
|
2271
PUT
CarMax
KMX
$8.5B
| $20.8M | ﹤0.01% |
538,300
-419,200
| -44% | -$16.8M |
|
2272
ON Semiconductor
ON
$32.2B
| $20.8M | ﹤0.01% |
384,059
+145,545
| +61% | +$7.47M |
|
2273
Quanta Services
PWR
$103B
| $20.8M | ﹤0.01% |
49,267
+18,524
| +60% | +$8.14M |
|
2274
PUT
Casey's General Stores
CASY
$31.3B
| $20.8M | ﹤0.01% |
37,600
-2,900
| -7% | -$1.6M |
|
|
AMRZ
2275
Amrize Ltd
AMRZ
$25.5B
| $20.7M | ﹤0.01% |
382,953
-252,293
| -40% | -$12.9M |
|
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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.