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 | |
|---|---|---|---|---|---|---|
5601
PUT
Freedom Holding
FRHC
$9.66B
| $2.31M | ﹤0.01% |
19,000
+3,700
| +24% | +$537K |
|
5602
PUT
Triumph Financial Inc
TFIN
$1.85B
| $2.31M | ﹤0.01% |
+36,900
| New | +$2.07M |
|
5603
PUT
Aaon
AAON
$7.21B
| $2.31M | ﹤0.01% |
30,300
-7,300
| -19% | -$674K |
|
|
AUTL
5604
Autolus Therapeutics
AUTL
$620M
| $2.31M | ﹤0.01% |
1,159,791
-4,884,452
| -81% | -$7.51M |
|
5605
MaxCyte
MXCT
$136M
| $2.31M | ﹤0.01% |
1,488,818
+685,752
| +85% | +$1.1M |
|
5606
PUT
Alkermes
ALKS
$8.36B
| $2.31M | ﹤0.01% |
82,400
+20,200
| +32% | +$605K |
|
5607
CALL
Jacobs Solutions
J
$16.9B
| $2.3M | ﹤0.01% |
17,400
-1,700
| -9% | -$249K |
|
5608
Expro Ltd
XPRO
$2.08B
| $2.3M | ﹤0.01% |
172,027
-524,565
| -75% | -$7.07M |
|
|
TMQ
5609
PUT
Trilogy Metals
TMQ
$637M
| $2.3M | ﹤0.01% |
532,800
+510,000
| +2,237% | +$2.4M |
|
5610
CALL
Main Street Capital
MAIN
$5.46B
| $2.29M | ﹤0.01% |
38,000
+1,600
| +4% | +$94.3K |
|
5611
PUT
Direxion Daily FTSE China Bear 3X ETF
YANG
$99.1M
| $2.29M | ﹤0.01% |
91,250
-86,910
| -49% | -$2.04M |
|
|
NFBK
5612
DELISTED
Northfield Bancorp
NFBK
| $2.29M | ﹤0.01% |
200,697
+137,764
| +219% | +$1.53M |
|
5613
PUT
Build-A-Bear
BBW
$470M
| $2.29M | ﹤0.01% |
37,400
+10,600
| +40% | +$577K |
|
|
SII
5614
PUT
Sprott
SII
$3.12B
| $2.29M | ﹤0.01% |
23,400
-11,300
| -33% | -$1M |
|
5615
CALL
Ericsson
ERIC
$33.3B
| $2.29M | ﹤0.01% |
236,800
-181,600
| -43% | -$1.72M |
|
5616
Peoples Bancorp
PEBO
$1.47B
| $2.28M | ﹤0.01% |
76,030
+17,886
| +31% | +$531K |
|
5617
CALL
Manchester United
MANU
$4.06B
| $2.28M | ﹤0.01% |
143,400
-40,700
| -22% | -$657K |
|
|
VNET
5618
PUT
VNET Group
VNET
$2.24B
| $2.28M | ﹤0.01% |
269,500
-28,000
| -9% | -$259K |
|
5619
CALL
iShares 3-7 Year Treasury Bond ETF
IEI
$17.7B
| $2.28M | ﹤0.01% |
19,100
+17,400
| +1,024% | +$2.08M |
|
|
AVL
5620
CALL
Direxion Daily AVGO Bull 2X ETF
AVL
$166M
| $2.28M | ﹤0.01% |
51,700
+11,900
| +30% | +$678K |
|
5621
AXS Esoterica NextG Economy ETF
WUGI
$33.4M
| $2.28M | ﹤0.01% |
31,484
+11,296
| +56% | +$991K |
|
5622
CALL
FS KKR Capital
FSK
$3.32B
| $2.28M | ﹤0.01% |
153,800
+38,000
| +33% | +$576K |
|
5623
West Fraser Timber
WFG
$5.35B
| $2.28M | ﹤0.01% |
37,270
+34,185
| +1,108% | +$2.14M |
|
5624
Liberty Global Class A
LBTYA
$3.56B
| $2.28M | ﹤0.01% |
204,438
-912,662
| -82% | -$10.1M |
|
5625
ProShares Ultra Bloomberg Crude Oil
UCO
$434M
| $2.28M | ﹤0.01% |
+117,830
| New | +$2.42M |
|
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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.