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 | |
|---|---|---|---|---|---|---|
|
CUK
3676
DELISTED
Carnival PLC
CUK
| $7.25M | ﹤0.01% |
239,059
-188,603
| -44% | -$4.86M |
|
3677
CALL
StoneCo
STNE
$2.32B
| $7.24M | ﹤0.01% |
489,800
-249,100
| -34% | -$4.17M |
|
3678
Encore Capital Group
ECPG
$2.2B
| $7.24M | ﹤0.01% |
133,283
+69,255
| +108% | +$3.34M |
|
3679
Live Oak Bancshares
LOB
$2B
| $7.22M | ﹤0.01% |
210,184
+49,053
| +30% | +$1.64M |
|
3680
Novavax
NVAX
$1.33B
| $7.22M | ﹤0.01% |
1,073,727
-212,145
| -16% | -$1.6M |
|
3681
Roundhill Generative AI & Technology ETF
CHAT
$1.96B
| $7.21M | ﹤0.01% |
122,350
+69,765
| +133% | +$4.33M |
|
|
CPRX
3682
DELISTED
Catalyst Pharmaceutical
CPRX
| $7.2M | ﹤0.01% |
308,471
-89,425
| -22% | -$1.99M |
|
|
CHYM
3683
PUT
Chime Financial
CHYM
$12.1B
| $7.2M | ﹤0.01% |
285,900
-208,800
| -42% | -$4.44M |
|
3684
PUT
Entegris
ENTG
$24.7B
| $7.19M | ﹤0.01% |
85,400
-99,900
| -54% | -$8.68M |
|
|
SERV
3685
Serve Robotics
SERV
$433M
| $7.18M | ﹤0.01% |
691,740
-902,938
| -57% | -$10.8M |
|
3686
Bank of N.T. Butterfield & Son
NTB
$2.51B
| $7.18M | ﹤0.01% |
+144,087
| New | +$6.64M |
|
3687
American Resources Corp
AREC
$308M
| $7.17M | ﹤0.01% |
+2,891,941
| New | +$9.64M |
|
|
TIGR
3688
PUT
UP Fintech Holding
TIGR
$822M
| $7.17M | ﹤0.01% |
750,200
-1,114,100
| -60% | -$10.6M |
|
3689
Kinsale Capital Group
KNSL
$8.64B
| $7.17M | ﹤0.01% |
18,331
-6,044
| -25% | -$2.46M |
|
3690
iShares MSCI Emerging Markets Small-Cap ETF
EEMS
$377M
| $7.17M | ﹤0.01% |
106,248
+93,444
| +730% | +$6.34M |
|
3691
Marqeta
MQ
$1.7B
| $7.17M | ﹤0.01% |
377,213
+126,641
| +51% | +$2.43M |
|
|
SEZL
3692
PUT
Sezzle
SEZL
$4.34B
| $7.17M | ﹤0.01% |
112,900
-99,100
| -47% | -$6.75M |
|
3693
CALL
Defiance Quantum ETF
QTUM
$5.84B
| $7.16M | ﹤0.01% |
65,300
+7,700
| +13% | +$849K |
|
3694
CALL
MKS Inc
MKSI
$21B
| $7.16M | ﹤0.01% |
44,800
-11,000
| -20% | -$1.63M |
|
3695
PUT
Public Service Enterprise Group
PEG
$37.9B
| $7.15M | ﹤0.01% |
89,100
-299,200
| -77% | -$24.4M |
|
3696
CALL
Diageo
DEO
$53.1B
| $7.15M | ﹤0.01% |
82,900
-34,400
| -29% | -$3.17M |
|
3697
Banco de Chile
BCH
$20.6B
| $7.15M | ﹤0.01% |
188,142
-58,838
| -24% | -$2.09M |
|
3698
Dine Brands
DIN
$447M
| $7.14M | ﹤0.01% |
222,212
+86,959
| +64% | +$2.53M |
|
3699
CALL
SELLAS Life Sciences
SLS
$2.58B
| $7.14M | ﹤0.01% |
1,893,600
+1,360,500
| +255% | +$2.64M |
|
3700
Annaly Capital Management
NLY
$17.6B
| $7.13M | ﹤0.01% |
+318,839
| New | +$6.94M |
|
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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.