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 | |
|---|---|---|---|---|---|---|
2151
CALL
Sprouts Farmers Market
SFM
$7.69B
| $23.4M | ﹤0.01% |
293,400
+194,600
| +197% | +$17.5M |
|
2152
CALL
FTAI Aviation
FTAI
$22.3B
| $23.4M | ﹤0.01% |
118,700
-28,700
| -19% | -$4.89M |
|
|
EMBJ
2153
Embraer S.A. ADS
EMBJ
$13.4B
| $23.3M | ﹤0.01% |
362,288
-370,747
| -51% | -$23.2M |
|
2154
DTE Energy
DTE
$29.3B
| $23.2M | ﹤0.01% |
179,621
+132,500
| +281% | +$18M |
|
2155
PUT
JB Hunt Transport Services
JBHT
$26.3B
| $23.2M | ﹤0.01% |
119,200
+73,500
| +161% | +$12.6M |
|
2156
PUT
Global Payments
GPN
$24.6B
| $23.1M | ﹤0.01% |
298,300
+33,700
| +13% | +$2.71M |
|
2157
PUT
Vale
VALE
$58B
| $23.1M | ﹤0.01% |
1,771,300
-469,000
| -21% | -$5.7M |
|
2158
PUT
Steel Dynamics
STLD
$36.7B
| $23M | ﹤0.01% |
136,000
+57,300
| +73% | +$9.1M |
|
2159
CALL
Calumet Specialty Products
CLMT
$4.19B
| $23M | ﹤0.01% |
1,157,400
+266,200
| +30% | +$5.12M |
|
2160
CALL
Procore
PCOR
$9.09B
| $22.9M | ﹤0.01% |
315,500
+87,200
| +38% | +$6.45M |
|
2161
CALL
Alnylam Pharmaceuticals
ALNY
$30.6B
| $22.9M | ﹤0.01% |
57,700
+9,300
| +19% | +$4.12M |
|
2162
CALL
UiPath
PATH
$8.3B
| $22.9M | ﹤0.01% |
1,399,200
-295,200
| -17% | -$4.59M |
|
2163
PUT
Hershey
HSY
$37B
| $22.9M | ﹤0.01% |
126,000
-47,400
| -27% | -$8.67M |
|
2164
Dyne Therapeutics
DYN
$4.8B
| $22.9M | ﹤0.01% |
1,171,624
-2,241,811
| -66% | -$42.5M |
|
2165
monday.com
MNDY
$3.7B
| $22.9M | ﹤0.01% |
155,126
+40,226
| +35% | +$6.77M |
|
2166
Nordson
NDSN
$17.2B
| $22.9M | ﹤0.01% |
95,050
+56,544
| +147% | +$13.3M |
|
2167
PUT
HSBC
HSBC
$357B
| $22.8M | ﹤0.01% |
290,000
-78,300
| -21% | -$5.6M |
|
2168
Flowserve
FLS
$10.3B
| $22.8M | ﹤0.01% |
328,736
-245,907
| -43% | -$15.8M |
|
2169
MACOM Technology Solutions
MTSI
$24.2B
| $22.8M | ﹤0.01% |
133,123
-261,512
| -66% | -$41.5M |
|
2170
ARS Pharmaceuticals
SPRY
$561M
| $22.8M | ﹤0.01% |
1,954,472
+368,439
| +23% | +$3.58M |
|
2171
CALL
Factset
FDS
$10.1B
| $22.8M | ﹤0.01% |
78,400
+43,900
| +127% | +$12.3M |
|
2172
iShares 1-5 Year Investment Grade Corporate Bond ETF
IGSB
$23.3B
| $22.7M | ﹤0.01% |
+430,064
| New | +$22.8M |
|
2173
Stewart Information Services
STC
$2.08B
| $22.7M | ﹤0.01% |
323,344
+271,980
| +530% | +$19.6M |
|
2174
CALL
TransUnion
TRU
$15.4B
| $22.7M | ﹤0.01% |
264,700
+31,700
| +14% | +$2.6M |
|
2175
CALL
CMS Energy
CMS
$22.3B
| $22.7M | ﹤0.01% |
324,300
+106,800
| +49% | +$7.77M |
|
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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.