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 | |
|---|---|---|---|---|---|---|
|
SMLR
5676
DELISTED
Semler Scientific
SMLR
| $2.22M | ﹤0.01% |
145,208
-258,067
| -64% | -$5.85M |
|
5677
CALL
Ichor Holdings
ICHR
$2.69B
| $2.22M | ﹤0.01% |
120,300
-65,900
| -35% | -$1.22M |
|
|
FRMI
5678
PUT
Fermi Inc
FRMI
$3.93B
| $2.22M | ﹤0.01% |
+277,100
| New | +$5.41M |
|
5679
PUT
DXC Technology
DXC
$1.66B
| $2.22M | ﹤0.01% |
151,300
+12,900
| +9% | +$177K |
|
5680
Dimensional International High Profitability ETF
DIHP
$6.59B
| $2.22M | ﹤0.01% |
69,999
-370,507
| -84% | -$11.5M |
|
5681
US Global GO Gold and Precious Metal Miners ETF
GOAU
$201M
| $2.22M | ﹤0.01% |
52,078
+28,677
| +123% | +$1.16M |
|
5682
AerSale
ASLE
$281M
| $2.22M | ﹤0.01% |
311,669
+75,265
| +32% | +$528K |
|
5683
PUT
OppFi
OPFI
$597M
| $2.21M | ﹤0.01% |
211,700
+119,000
| +128% | +$1.21M |
|
5684
PUT
Range Nuclear Renaissance Index ETF
NUKZ
$806M
| $2.21M | ﹤0.01% |
34,800
+27,200
| +358% | +$1.83M |
|
5685
iShares Morningstar Small-Cap ETF
ISCB
$293M
| $2.21M | ﹤0.01% |
33,922
+2,446
| +8% | +$157K |
|
5686
CALL
Avantis US Small Cap Value ETF
AVUV
$31.7B
| $2.2M | ﹤0.01% |
21,600
-800
| -4% | -$80K |
|
5687
Simplify MBS ETF
MTBA
$1.48B
| $2.2M | ﹤0.01% |
+43,660
| New | +$2.2M |
|
5688
Direxion Daily Real Estate Bear 3X ETF
DRV
$26M
| $2.2M | ﹤0.01% |
82,941
+27,955
| +51% | +$715K |
|
5689
MediaAlpha
MAX
$779M
| $2.2M | ﹤0.01% |
+169,647
| New | +$2.07M |
|
5690
First Trust Core Investment Grade ETF
FTCB
$2.61B
| $2.2M | ﹤0.01% |
103,461
+66,681
| +181% | +$1.42M |
|
5691
DocGo
DCGO
$69M
| $2.19M | ﹤0.01% |
2,500,000
+1,691,578
| +209% | +$1.81M |
|
5692
CALL
Ameresco
AMRC
$1.51B
| $2.19M | ﹤0.01% |
74,900
+28,100
| +60% | +$986K |
|
5693
PUT
Illinois Tool Works
ITW
$81.8B
| $2.19M | ﹤0.01% |
8,900
-29,400
| -77% | -$7.32M |
|
5694
Direxion Daily Consumer Discretionary Bull 3X ETF
WANT
$20.5M
| $2.19M | ﹤0.01% |
43,638
+6,632
| +18% | +$333K |
|
5695
PUT
Boyd Gaming
BYD
$6.01B
| $2.19M | ﹤0.01% |
25,700
-6,100
| -19% | -$503K |
|
5696
ProShares UltraShort Bitcoin ETF
SBIT
$170M
| $2.19M | ﹤0.01% |
+49,856
| New | +$1.83M |
|
5697
Amalgamated Financial
AMAL
$1.52B
| $2.19M | ﹤0.01% |
+68,324
| New | +$1.99M |
|
5698
CALL
Dorian LPG
LPG
$2.07B
| $2.19M | ﹤0.01% |
89,900
-18,500
| -17% | -$485K |
|
5699
Greenlight Captial
GLRE
$503M
| $2.19M | ﹤0.01% |
+150,048
| New | +$1.97M |
|
5700
Voyager Therapeutics
VYGR
$200M
| $2.19M | ﹤0.01% |
556,646
+158,420
| +40% | +$701K |
|
Similar funds
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.