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 | |
|---|---|---|---|---|---|---|
3151
PUT
Intuitive Machines
LUNR
$3.05B
| $10.6M | ﹤0.01% |
654,900
-131,500
| -17% | -$1.52M |
|
3152
CALL
iShares MSCI China ETF
MCHI
$6.16B
| $10.6M | ﹤0.01% |
176,900
-75,500
| -30% | -$4.75M |
|
3153
Wendy's
WEN
$1.65B
| $10.6M | ﹤0.01% |
1,272,384
+890,084
| +233% | +$7.68M |
|
3154
Cathay General Bancorp
CATY
$4.33B
| $10.6M | ﹤0.01% |
218,326
+58,441
| +37% | +$2.81M |
|
3155
State Street Communication Services Select Sector SPDR ETF
XLC
$22.9B
| $10.6M | ﹤0.01% |
+89,727
| New | +$10.3M |
|
3156
PUT
Natera
NTRA
$44.7B
| $10.6M | ﹤0.01% |
46,100
-36,100
| -44% | -$7.53M |
|
3157
Corebridge Financial
CRBG
$15.4B
| $10.5M | ﹤0.01% |
349,064
-143,495
| -29% | -$4.41M |
|
|
NVMI
3158
Nova
NVMI
$13.3B
| $10.5M | ﹤0.01% |
32,046
-45,044
| -58% | -$14.5M |
|
3159
DXC Technology
DXC
$1.72B
| $10.5M | ﹤0.01% |
717,437
-2,100,659
| -75% | -$28.9M |
|
3160
CALL
Establishment Labs
ESTA
$2.37B
| $10.5M | ﹤0.01% |
144,200
+102,300
| +244% | +$6.18M |
|
3161
GSK
GSK
$99.2B
| $10.5M | ﹤0.01% |
+214,099
| New | +$9.99M |
|
3162
Nutrien
NTR
$32.6B
| $10.5M | ﹤0.01% |
169,982
-2,582,687
| -94% | -$152M |
|
3163
PUT
Modine Manufacturing
MOD
$11.1B
| $10.5M | ﹤0.01% |
78,500
+38,700
| +97% | +$5.76M |
|
3164
PUT
Bath & Body Works
BBWI
$3.91B
| $10.5M | ﹤0.01% |
521,800
-420,500
| -45% | -$9.28M |
|
|
KEEL
3165
PUT
Keel Infrastructure Corp
KEEL
$2.17B
| $10.5M | ﹤0.01% |
4,455,900
+952,600
| +27% | +$3.26M |
|
3166
CGI
GIB
$15.2B
| $10.5M | ﹤0.01% |
113,446
-108,579
| -49% | -$9.68M |
|
3167
iShares 1-3 Year Treasury Bond ETF
SHY
$25.5B
| $10.4M | ﹤0.01% |
126,168
-104,397
| -45% | -$8.65M |
|
|
CMA
3168
PUT
DELISTED
Comerica
CMA
| $10.4M | ﹤0.01% |
120,200
-19,900
| -14% | -$1.6M |
|
3169
PUT
Factset
FDS
$10.1B
| $10.4M | ﹤0.01% |
36,000
-500
| -1% | -$140K |
|
3170
PUT
Under Armour
UAA
$2.3B
| $10.4M | ﹤0.01% |
2,101,800
+36,200
| +2% | +$168K |
|
|
MDLN
3171
CALL
Medline Inc
MDLN
$31.4B
| $10.4M | ﹤0.01% |
+248,700
| New | +$10.5M |
|
|
JBGS
3172
JBG SMITH
JBGS
$672M
| $10.4M | ﹤0.01% |
614,000
+383,778
| +167% | +$7.25M |
|
3173
CALL
TC Energy
TRP
$66.7B
| $10.4M | ﹤0.01% |
189,800
-100,700
| -35% | -$5.37M |
|
3174
iShares MSCI Intl Quality Factor ETF
IQLT
$14.3B
| $10.4M | ﹤0.01% |
229,667
+164,409
| +252% | +$7.37M |
|
3175
PUT
Globant
GLOB
$1.61B
| $10.4M | ﹤0.01% |
159,600
-131,500
| -45% | -$8.27M |
|
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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.