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 | |
|---|---|---|---|---|---|---|
2226
Scholar Rock
SRRK
$6.4B
| $21.8M | ﹤0.01% |
495,946
+361,336
| +268% | +$13.6M |
|
|
CTRA
2227
CALL
DELISTED
Coterra Energy
CTRA
| $21.8M | ﹤0.01% |
829,500
+122,100
| +17% | +$3.08M |
|
|
MRSH
2228
CALL
Marsh
MRSH
$89.6B
| $21.8M | ﹤0.01% |
117,400
+31,300
| +36% | +$5.85M |
|
2229
Avantis Emerging Markets Equity ETF
AVEM
$26.9B
| $21.7M | ﹤0.01% |
282,322
+251,998
| +831% | +$19.3M |
|
2230
PUT
Check Point Software Technologies
CHKP
$13.4B
| $21.7M | ﹤0.01% |
117,000
+43,400
| +59% | +$8.39M |
|
2231
Yum China
YUMC
$16.3B
| $21.7M | ﹤0.01% |
454,049
-15,923
| -3% | -$729K |
|
2232
CALL
Alaska Air
ALK
$5.13B
| $21.6M | ﹤0.01% |
429,900
+185,300
| +76% | +$8.57M |
|
2233
Universal Display
OLED
$4.09B
| $21.5M | ﹤0.01% |
184,196
+65,291
| +55% | +$8.47M |
|
2234
BGC Group
BGC
$5.33B
| $21.5M | ﹤0.01% |
2,407,889
+1,929,097
| +403% | +$17.4M |
|
2235
PUT
Sharplink Inc
SBET
$1.36B
| $21.5M | ﹤0.01% |
2,405,100
-2,334,400
| -49% | -$28.5M |
|
2236
CALL
Alpha Metallurgical Resources
AMR
$2.11B
| $21.5M | ﹤0.01% |
107,500
-17,800
| -14% | -$3.08M |
|
2237
YPF Sociedad Anonima ADS
YPF
$19.6B
| $21.5M | ﹤0.01% |
593,812
-7,231
| -1% | -$240K |
|
2238
Fair Isaac
FICO
$23.5B
| $21.5M | ﹤0.01% |
12,688
-7,320
| -37% | -$12.6M |
|
2239
CALL
Motorola Solutions
MSI
$77.2B
| $21.4M | ﹤0.01% |
55,900
-72,100
| -56% | -$29M |
|
2240
Fluence Energy
FLNC
$2.43B
| $21.4M | ﹤0.01% |
1,083,096
+562,071
| +108% | +$10.6M |
|
2241
Parsons
PSN
$5.12B
| $21.4M | ﹤0.01% |
346,450
-148,609
| -30% | -$11.6M |
|
2242
PUT
Hecla Mining
HL
$12.3B
| $21.4M | ﹤0.01% |
1,114,600
+414,800
| +59% | +$6.34M |
|
2243
PUT
ProShares UltraPro Short Dow 30
SDOW
$186M
| $21.3M | ﹤0.01% |
667,975
+94,550
| +16% | +$3.21M |
|
2244
Bitdeer Technologies
BTDR
$2.48B
| $21.3M | ﹤0.01% |
1,901,943
+1,492,397
| +364% | +$24M |
|
2245
PUT
Zeta Global
ZETA
$7.29B
| $21.3M | ﹤0.01% |
1,047,200
+107,000
| +11% | +$2M |
|
2246
PUT
CRH
CRH
$64.6B
| $21.3M | ﹤0.01% |
170,700
-400
| -0.2% | -$47.7K |
|
2247
Exelixis
EXEL
$12.7B
| $21.3M | ﹤0.01% |
485,877
-154,404
| -24% | -$6.39M |
|
2248
PUT
Direxion Daily FTSE China Bull 3X ETF
YINN
$653M
| $21.3M | ﹤0.01% |
500,000
-5,500
| -1% | -$261K |
|
2249
Pacira BioSciences
PCRX
$917M
| $21.2M | ﹤0.01% |
819,768
+748,590
| +1,052% | +$17.8M |
|
2250
CALL
Becton Dickinson
BDX
$50B
| $21.2M | ﹤0.01% |
109,300
-400
| -0.4% | -$76.1K |
|
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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.