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 | |
|---|---|---|---|---|---|---|
3026
CNX Resources
CNX
$5.28B
| $11.7M | ﹤0.01% |
318,727
-2,072,363
| -87% | -$74.2M |
|
3027
Teekay Tankers
TNK
$2.95B
| $11.7M | ﹤0.01% |
219,382
+134,695
| +159% | +$7.56M |
|
3028
PUT
Fabrinet
FN
$20.4B
| $11.7M | ﹤0.01% |
25,700
+14,400
| +127% | +$6.26M |
|
|
ARX
3029
Accelerant Holdings
ARX
$4.27B
| $11.7M | ﹤0.01% |
715,452
-206,635
| -22% | -$2.91M |
|
3030
Illumina
ILMN
$28.8B
| $11.7M | ﹤0.01% |
89,175
+46,370
| +108% | +$5.44M |
|
3031
PUT
Dave Inc
DAVE
$4.27B
| $11.7M | ﹤0.01% |
52,800
-103,800
| -66% | -$22.3M |
|
3032
Houlihan Lokey
HLI
$8.99B
| $11.7M | ﹤0.01% |
67,083
-5,182
| -7% | -$951K |
|
3033
PUT
Jazz Pharmaceuticals
JAZZ
$15.9B
| $11.7M | ﹤0.01% |
68,700
+60,800
| +770% | +$9.32M |
|
3034
PUT
Consolidated Edison
ED
$40.2B
| $11.6M | ﹤0.01% |
117,100
+78,700
| +205% | +$7.81M |
|
3035
Dominion Energy
D
$60.5B
| $11.6M | ﹤0.01% |
198,346
-90,422
| -31% | -$5.45M |
|
3036
Brookfield Renewable
BEP
$10.4B
| $11.6M | ﹤0.01% |
+430,889
| New | +$12.3M |
|
3037
CALL
Sony
SONY
$142B
| $11.6M | ﹤0.01% |
453,900
+44,700
| +11% | +$1.25M |
|
3038
CALL
Schwab US Dividend Equity ETF
SCHD
$108B
| $11.6M | ﹤0.01% |
423,200
+106,400
| +34% | +$2.89M |
|
3039
CALL
Martin Marietta Materials
MLM
$32.9B
| $11.6M | ﹤0.01% |
18,600
-16,200
| -47% | -$10.1M |
|
3040
PUT
uniQure
QURE
$3.37B
| $11.6M | ﹤0.01% |
483,200
-120,800
| -20% | -$4.66M |
|
3041
PUT
Harmony Gold Mining
HMY
$12.1B
| $11.6M | ﹤0.01% |
581,000
-161,200
| -22% | -$3.01M |
|
3042
PUT
Knight Transportation
KNX
$11.8B
| $11.6M | ﹤0.01% |
221,100
-23,200
| -9% | -$1.09M |
|
3043
Brookfield Renewable
BEPC
$6.59B
| $11.6M | ﹤0.01% |
301,382
-92,030
| -23% | -$3.7M |
|
3044
PUT
Galicia Financial Group
GGAL
$6.97B
| $11.5M | ﹤0.01% |
213,700
+82,400
| +63% | +$3.85M |
|
3045
FMC
FMC
$1.27B
| $11.5M | ﹤0.01% |
830,350
+224,752
| +37% | +$4.28M |
|
3046
PUT
TG Therapeutics
TGTX
$7.46B
| $11.5M | ﹤0.01% |
385,800
+21,000
| +6% | +$686K |
|
3047
CALL
POET Technologies
POET
$1.65B
| $11.5M | ﹤0.01% |
1,816,100
+1,247,000
| +219% | +$7.91M |
|
3048
CALL
Ball Corp
BALL
$16.4B
| $11.5M | ﹤0.01% |
217,000
+10,600
| +5% | +$522K |
|
3049
PUT
Lincoln National
LNC
$8.7B
| $11.5M | ﹤0.01% |
257,800
+1,100
| +0.4% | +$45.8K |
|
3050
CALL
Ares Capital
ARCC
$14.3B
| $11.5M | ﹤0.01% |
566,900
+57,600
| +11% | +$1.16M |
|
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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.