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 | |
|---|---|---|---|---|---|---|
801
Strategy Inc
MSTR
$38.2B
| $109M | 0.02% |
714,361
+647,371
| +966% | +$149M |
|
802
Range Resources
RRC
$9.33B
| $109M | 0.02% |
3,078,246
+2,403,440
| +356% | +$89.5M |
|
803
CALL
EQT Corp
EQT
$33.8B
| $108M | 0.02% |
2,019,900
+541,800
| +37% | +$30.4M |
|
804
KeyCorp
KEY
$24.6B
| $108M | 0.02% |
5,233,576
+4,285,236
| +452% | +$79.8M |
|
805
PUT
Danaher
DHR
$143B
| $108M | 0.02% |
470,900
-14,000
| -3% | -$3.08M |
|
806
Doximity
DOCS
$4.74B
| $108M | 0.02% |
2,433,381
+2,401,660
| +7,571% | +$135M |
|
807
CALL
Core Scientific
CORZ
$6.36B
| $108M | 0.02% |
7,394,000
+3,821,800
| +107% | +$66.6M |
|
808
PUT
Royal Caribbean
RCL
$82.9B
| $108M | 0.02% |
385,800
-290,500
| -43% | -$82.1M |
|
809
Radian Group
RDN
$4.92B
| $108M | 0.02% |
2,989,596
-638,307
| -18% | -$22.3M |
|
810
CALL
Eos Energy Enterprises
EOSE
$1.51B
| $108M | 0.02% |
9,388,300
+4,684,800
| +100% | +$67.3M |
|
811
CALL
Estee Lauder
EL
$31.6B
| $107M | 0.02% |
1,025,200
-451,900
| -31% | -$43.9M |
|
812
Constellation Brands
STZ
$23.3B
| $107M | 0.02% |
777,945
+291,624
| +60% | +$40M |
|
813
PUT
Abercrombie & Fitch
ANF
$4.84B
| $107M | 0.02% |
852,200
-293,700
| -26% | -$25.7M |
|
814
Churchill Downs
CHDN
$6.2B
| $107M | 0.02% |
942,167
+856,246
| +997% | +$88.8M |
|
815
Global E Online
GLBE
$7.09B
| $107M | 0.02% |
2,726,123
+1,698,477
| +165% | +$63M |
|
816
Coinbase
COIN
$40.6B
| $107M | 0.02% |
473,122
+302,642
| +178% | +$90.2M |
|
817
Occidental Petroleum
OXY
$57.7B
| $107M | 0.02% |
2,598,510
+2,370,522
| +1,040% | +$98.9M |
|
818
CALL
Etsy
ETSY
$7.4B
| $107M | 0.02% |
1,926,000
-2,919,600
| -60% | -$178M |
|
819
Broadridge
BR
$19.6B
| $107M | 0.02% |
478,244
+429,071
| +873% | +$97.9M |
|
820
CALL
iShares Core Dividend Growth ETF
DGRO
$43.9B
| $107M | 0.02% |
1,536,700
+230,400
| +18% | +$15.8M |
|
821
CALL
State Street Materials Select Sector SPDR ETF
XLB
$8.57B
| $106M | 0.02% |
2,345,700
+2,013,900
| +607% | +$89M |
|
822
PUT
iShares MSCI Japan ETF
EWJ
$23.2B
| $106M | 0.02% |
1,310,700
+752,000
| +135% | +$61.8M |
|
823
Macy's
M
$6.27B
| $106M | 0.02% |
4,796,316
+1,385,133
| +41% | +$28.4M |
|
824
PUT
On Holding
ONON
$10.6B
| $106M | 0.02% |
2,274,500
+576,500
| +34% | +$24.8M |
|
825
PUT
Toronto Dominion Bank
TD
$203B
| $106M | 0.02% |
1,121,500
-42,200
| -4% | -$3.56M |
|
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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.