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 | |
|---|---|---|---|---|---|---|
3601
Cincinnati Financial
CINF
$26.6B
| $7.62M | ﹤0.01% |
46,669
-210,556
| -82% | -$34.1M |
|
3602
Mercury Systems
MRCY
$6.67B
| $7.62M | ﹤0.01% |
104,376
-46,198
| -31% | -$3.44M |
|
3603
Avalo Therapeutics
AVTX
$1.05B
| $7.62M | ﹤0.01% |
419,491
-62,178
| -13% | -$1.05M |
|
|
ABX
3604
Abacus Global Management
ABX
$907M
| $7.62M | ﹤0.01% |
890,978
-177,985
| -17% | -$1.17M |
|
3605
iShares Short-Term National Muni Bond ETF
SUB
$11.4B
| $7.61M | ﹤0.01% |
71,290
-3,572
| -5% | -$381K |
|
3606
PUT
Direxion Daily Semiconductor Bear 3X ETF
SOXS
$1.39B
| $7.6M | ﹤0.01% |
12,138
-3,177
| -21% | -$2.33M |
|
3607
iShares MSCI Emerging Markets Asia ETF
EEMA
$870M
| $7.59M | ﹤0.01% |
80,736
+48,008
| +147% | +$4.49M |
|
3608
CALL
Willis Towers Watson
WTW
$30.8B
| $7.59M | ﹤0.01% |
23,100
-19,500
| -46% | -$6.38M |
|
3609
Adient
ADNT
$1.57B
| $7.58M | ﹤0.01% |
395,454
+123,349
| +45% | +$2.6M |
|
|
JHG
3610
DELISTED
Janus Henderson
JHG
| $7.57M | ﹤0.01% |
159,137
-1,105,622
| -87% | -$48.9M |
|
3611
Andersons Inc
ANDE
$2.24B
| $7.57M | ﹤0.01% |
142,333
-140,520
| -50% | -$6.87M |
|
3612
PUT
Cracker Barrel
CBRL
$1.29B
| $7.56M | ﹤0.01% |
297,700
+5,000
| +2% | +$160K |
|
3613
CALL
Corteva
CTVA
$51.2B
| $7.56M | ﹤0.01% |
112,800
-3,200
| -3% | -$207K |
|
3614
Equinor
EQNR
$96.8B
| $7.56M | ﹤0.01% |
319,756
-77,856
| -20% | -$1.84M |
|
3615
Insteel Industries
IIIN
$631M
| $7.55M | ﹤0.01% |
238,520
+50,967
| +27% | +$1.66M |
|
3616
Zevra Therapeutics
ZVRA
$672M
| $7.55M | ﹤0.01% |
842,854
+651,058
| +339% | +$6.16M |
|
3617
CALL
State Street SPDR S&P Aerospace & Defense ETF
XAR
$6.72B
| $7.55M | ﹤0.01% |
31,300
-6,700
| -18% | -$1.59M |
|
3618
Agilysys
AGYS
$3.22B
| $7.54M | ﹤0.01% |
+63,478
| New | +$7.64M |
|
3619
First Financial Bankshares
FFIN
$5.06B
| $7.53M | ﹤0.01% |
252,020
+115,150
| +84% | +$3.63M |
|
3620
PUT
Teladoc Health
TDOC
$1.24B
| $7.52M | ﹤0.01% |
1,073,700
-135,300
| -11% | -$1.06M |
|
3621
Avantis Responsible International Equity ETF
AVSD
$368M
| $7.51M | ﹤0.01% |
101,196
+78,824
| +352% | +$5.71M |
|
3622
BancFirst
BANF
$3.89B
| $7.51M | ﹤0.01% |
70,880
+33,446
| +89% | +$3.78M |
|
3623
Akebia Therapeutics
AKBA
$242M
| $7.51M | ﹤0.01% |
4,665,537
+1,479,711
| +46% | +$3.1M |
|
3624
PUT
Iron Mountain
IRM
$38.5B
| $7.51M | ﹤0.01% |
90,500
-43,600
| -33% | -$4.08M |
|
3625
CALL
Transocean
RIG
$6.43B
| $7.5M | ﹤0.01% |
1,817,000
-1,300,400
| -42% | -$5.05M |
|
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.