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 | |
|---|---|---|---|---|---|---|
6026
Stratasys
SSYS
$767M
| $1.86M | ﹤0.01% |
214,530
-10,205
| -5% | -$101K |
|
6027
Direxion Daily MSCI India Bull 2X ETF
INDL
$56.4M
| $1.86M | ﹤0.01% |
32,749
-795
| -2% | -$45.5K |
|
|
WLAC
6028
CALL
DELISTED
Willow Lane Acquisition Corp
WLAC
| $1.86M | ﹤0.01% |
+147,300
| New | +$1.81M |
|
6029
iShares US Technology ETF
IYW
$25.6B
| $1.86M | ﹤0.01% |
9,324
-42,092
| -82% | -$8.42M |
|
6030
CALL
NGL Energy Partners
NGL
$2.29B
| $1.86M | ﹤0.01% |
186,100
+42,700
| +30% | +$358K |
|
6031
Butterfly Network
BFLY
$2.4B
| $1.86M | ﹤0.01% |
489,718
-2,198,655
| -82% | -$5.98M |
|
6032
CALL
GraniteShares 2x Long TSLA Daily ETF
TSLR
$70.8M
| $1.86M | ﹤0.01% |
58,100
+5,800
| +11% | +$188K |
|
|
HIMX
6033
CALL
Himax Technologies
HIMX
$2.69B
| $1.86M | ﹤0.01% |
227,100
+33,400
| +17% | +$282K |
|
6034
PUT
KE Holdings
BEKE
$18.6B
| $1.86M | ﹤0.01% |
118,000
-109,100
| -48% | -$1.87M |
|
|
DFDV
6035
CALL
DeFi Development Corp
DFDV
$98M
| $1.86M | ﹤0.01% |
368,200
+61,410
| +20% | +$563K |
|
6036
CI&T Inc
CINT
$455M
| $1.86M | ﹤0.01% |
456,704
+275,778
| +152% | +$1.25M |
|
6037
CALL
Addus HomeCare
ADUS
$2.15B
| $1.86M | ﹤0.01% |
17,300
+15,200
| +724% | +$1.75M |
|
6038
CALL
Vanguard Morningstar Mid-Cap ETF
VO
$111B
| $1.86M | ﹤0.01% |
25,600
+800
| +3% | +$58.2K |
|
6039
CALL
Brown & Brown
BRO
$23B
| $1.86M | ﹤0.01% |
23,300
-12,200
| -34% | -$1.02M |
|
6040
FlexShares Global Upstream Natural Resources Index Fund
GUNR
$7.03B
| $1.86M | ﹤0.01% |
40,490
+35,507
| +713% | +$1.58M |
|
6041
Shutterstock
SSTK
$200M
| $1.86M | ﹤0.01% |
97,161
-410,105
| -81% | -$8.77M |
|
6042
PUT
Beyond Meat
BYND
$200M
| $1.86M | ﹤0.01% |
75,427
+60,414
| +402% | +$2.52M |
|
6043
Danaos Corp
DAC
$2.66B
| $1.86M | ﹤0.01% |
19,700
-3,867
| -16% | -$356K |
|
6044
CALL
Hexcel
HXL
$7.8B
| $1.85M | ﹤0.01% |
25,100
+9,700
| +63% | +$686K |
|
|
BRSP
6045
BrightSpire Capital
BRSP
$615M
| $1.85M | ﹤0.01% |
331,069
-248,221
| -43% | -$1.37M |
|
6046
First Financial Bancorp
FFBC
$3.59B
| $1.85M | ﹤0.01% |
74,018
-72,059
| -49% | -$1.8M |
|
6047
Sprott Physical Gold and Silver Trust
CEF
$7.9B
| $1.85M | ﹤0.01% |
+40,402
| New | +$1.64M |
|
6048
CALL
Grindr
GRND
$2.75B
| $1.85M | ﹤0.01% |
136,500
-38,000
| -22% | -$517K |
|
|
6049
PUT
Grindr
GRND
$2.75B
| $1.85M | ﹤0.01% |
136,500
+81,800
| +150% | +$1.11M |
|
6050
Vanguard World Funds Extended Duration ETF
EDV
$3.4B
| $1.85M | ﹤0.01% |
28,405
-3,289
| -10% | -$224K |
|
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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.