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 | |
|---|---|---|---|---|---|---|
1776
CALL
Crown Castle
CCI
$32.3B
| $33.6M | 0.01% |
378,400
+11,800
| +3% | +$1.09M |
|
1777
PUT
Peloton Interactive
PTON
$2.47B
| $33.6M | 0.01% |
5,457,900
-1,114,400
| -17% | -$7.84M |
|
1778
Kraft Heinz
KHC
$30.3B
| $33.6M | 0.01% |
1,386,186
+1,210,362
| +688% | +$30.1M |
|
1779
PUT
Direxion Daily Regional Banks Bull 3X ETF
DPST
$417M
| $33.6M | 0.01% |
332,700
-62,200
| -16% | -$5.85M |
|
1780
PUT
VanEck Oil Services ETF
OIH
$2B
| $33.6M | 0.01% |
118,000
+19,300
| +20% | +$5.41M |
|
1781
Medpace
MEDP
$16.1B
| $33.6M | 0.01% |
59,740
+36,827
| +161% | +$20.9M |
|
1782
Champion Homes
SKY
$5.13B
| $33.5M | 0.01% |
396,948
+231,400
| +140% | +$18.2M |
|
1783
PUT
Fluor
FLR
$7B
| $33.5M | 0.01% |
846,300
+263,900
| +45% | +$11.7M |
|
1784
PUT
Whirlpool
WHR
$2.7B
| $33.5M | 0.01% |
464,900
+155,100
| +50% | +$11.5M |
|
1785
Alkermes
ALKS
$8.23B
| $33.5M | 0.01% |
1,198,268
+493,434
| +70% | +$14.8M |
|
1786
PUT
Ralph Lauren
RL
$23.2B
| $33.5M | 0.01% |
94,700
-6,400
| -6% | -$2.18M |
|
1787
Allegiant Air
ALGT
$2.34B
| $33.5M | 0.01% |
392,594
+387,253
| +7,251% | +$27.7M |
|
1788
Extra Space Storage
EXR
$31.2B
| $33.4M | 0.01% |
256,829
+185,143
| +258% | +$25.2M |
|
|
SAIL
1789
SailPoint Inc
SAIL
$11.1B
| $33.4M | 0.01% |
1,652,141
+1,449,857
| +717% | +$30.2M |
|
1790
CALL
United Therapeutics
UTHR
$21.4B
| $33.4M | 0.01% |
68,500
-40,400
| -37% | -$18.8M |
|
|
SOLS
1791
Solstice Advanced Materials
SOLS
$9.95B
| $33.4M | 0.01% |
+686,992
| New | +$32.3M |
|
1792
PUT
Generac Holdings
GNRC
$12.9B
| $33.3M | 0.01% |
244,300
-38,700
| -14% | -$6.24M |
|
1793
Alibaba
BABA
$297B
| $33.3M | 0.01% |
227,212
+134,264
| +144% | +$21.9M |
|
1794
MDU Resources
MDU
$4.34B
| $33.3M | 0.01% |
1,704,631
+526,332
| +45% | +$10.4M |
|
1795
PUT
Flex
FLEX
$46.6B
| $33.2M | 0.01% |
549,600
+286,300
| +109% | +$17.7M |
|
1796
IDEAYA Biosciences
IDYA
$3.49B
| $33.2M | 0.01% |
959,355
-357,636
| -27% | -$11.4M |
|
1797
NuScale Power
SMR
$3.85B
| $33.2M | 0.01% |
2,339,527
+1,966,475
| +527% | +$56.2M |
|
1798
CALL
CSX Corp
CSX
$92.9B
| $33.1M | 0.01% |
914,400
-94,900
| -9% | -$3.4M |
|
1799
PUT
Kohl's
KSS
$2.18B
| $33.1M | 0.01% |
1,621,100
-249,300
| -13% | -$4.67M |
|
1800
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$32.7B
| $33.1M | 0.01% |
300,093
+247,948
| +475% | +$27.6M |
|
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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.