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 | |
|---|---|---|---|---|---|---|
|
RAPT
6576
CALL
DELISTED
RAPT Therapeutics
RAPT
| $1.44M | ﹤0.01% |
42,400
+31,976
| +307% | +$993K |
|
6577
PUT
Vanguard Energy ETF
VDE
$10.8B
| $1.44M | ﹤0.01% |
11,400
+4,800
| +73% | +$603K |
|
6578
PUT
Costamare
CMRE
$1.79B
| $1.44M | ﹤0.01% |
90,900
+25,100
| +38% | +$347K |
|
6579
CALL
BRC Group Holdings
RILY
$282M
| $1.43M | ﹤0.01% |
306,900
+15,900
| +5% | +$78.7K |
|
6580
NetEase
NTES
$80B
| $1.43M | ﹤0.01% |
+10,405
| New | +$1.48M |
|
6581
PUT
SEALSQ Corp
LAES
$613M
| $1.43M | ﹤0.01% |
378,800
+12,300
| +3% | +$62.7K |
|
6582
CALL
Direxion Daily Gold Miners Index Bear 2X ETF
DUST
$76.3M
| $1.43M | ﹤0.01% |
19,240
-2,760
| -13% | -$266K |
|
6583
Smith & Wesson
SWBI
$633M
| $1.43M | ﹤0.01% |
145,014
+133,836
| +1,197% | +$1.29M |
|
6584
PUT
ADT
ADT
$5.31B
| $1.43M | ﹤0.01% |
177,200
-1,574,400
| -90% | -$13.1M |
|
6585
Dimensional International Core Fixed Income ETF
DFGX
$1.72B
| $1.43M | ﹤0.01% |
27,165
+2,821
| +12% | +$152K |
|
6586
FlexShares US Quality Low Volatility Index Fund
QLV
$168M
| $1.43M | ﹤0.01% |
19,842
+10,193
| +106% | +$734K |
|
6587
PUT
Rexford Industrial Realty
REXR
$8.07B
| $1.43M | ﹤0.01% |
36,900
-32,600
| -47% | -$1.34M |
|
6588
PUT
AutoNation
AN
$6.68B
| $1.42M | ﹤0.01% |
6,900
-14,800
| -68% | -$3.08M |
|
6589
PUT
Criteo S.A.
CRTO
$897M
| $1.42M | ﹤0.01% |
69,100
+36,300
| +111% | +$751K |
|
6590
PUT
Sonoco
SON
$5.68B
| $1.42M | ﹤0.01% |
32,600
-18,400
| -36% | -$762K |
|
6591
PUT
OR Royalties Inc
OR
$6.14B
| $1.42M | ﹤0.01% |
40,100
-9,600
| -19% | -$336K |
|
6592
PUT
NNN REIT
NNN
$8.91B
| $1.42M | ﹤0.01% |
35,800
+20,900
| +140% | +$857K |
|
6593
PUT
AGCO
AGCO
$6.99B
| $1.42M | ﹤0.01% |
13,600
+9,100
| +202% | +$968K |
|
6594
CALL
O-I Glass
OI
$1B
| $1.42M | ﹤0.01% |
96,100
-16,200
| -14% | -$214K |
|
6595
CALL
StoneX
SNEX
$8.06B
| $1.42M | ﹤0.01% |
33,525
-104,963
| -76% | -$4.4M |
|
6596
PUT
Par Pacific Holdings
PARR
$4.07B
| $1.42M | ﹤0.01% |
40,300
+27,300
| +210% | +$1.09M |
|
6597
CALL
ProShares Ultra Dow30
DDM
$576M
| $1.42M | ﹤0.01% |
24,900
-3,900
| -14% | -$216K |
|
6598
PUT
Allegiant Air
ALGT
$2.27B
| $1.42M | ﹤0.01% |
16,600
-59,400
| -78% | -$4.25M |
|
6599
CALL
Xometry
XMTR
$5.08B
| $1.42M | ﹤0.01% |
23,800
-83,700
| -78% | -$4.72M |
|
6600
Westlake Chemical Partners
WLKP
$761M
| $1.42M | ﹤0.01% |
74,482
+43,491
| +140% | +$840K |
|
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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.