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 | |
|---|---|---|---|---|---|---|
4001
PUT
Polaris
PII
$3.95B
| $5.88M | ﹤0.01% |
93,000
-49,400
| -35% | -$3.25M |
|
4002
CALL
Eversource Energy
ES
$27.2B
| $5.88M | ﹤0.01% |
87,300
+15,600
| +22% | +$1.1M |
|
4003
Aegon
AEG
$14B
| $5.88M | ﹤0.01% |
762,261
+25,839
| +4% | +$198K |
|
4004
Ezcorp Inc
EZPW
$1.81B
| $5.87M | ﹤0.01% |
302,100
-250,673
| -45% | -$4.73M |
|
4005
CALL
First Industrial Realty Trust
FR
$8.33B
| $5.86M | ﹤0.01% |
+102,400
| New | +$5.72M |
|
4006
PUT
Xylem
XYL
$27.9B
| $5.86M | ﹤0.01% |
43,000
+7,800
| +22% | +$1.12M |
|
4007
Evolv Technologies
EVLV
$1.05B
| $5.85M | ﹤0.01% |
817,452
-2,215,117
| -73% | -$15.7M |
|
4008
PUT
The RealReal
REAL
$1.39B
| $5.85M | ﹤0.01% |
370,500
+229,400
| +163% | +$3M |
|
4009
AMC Entertainment Holdings
AMC
$2.23B
| $5.84M | ﹤0.01% |
3,743,916
-3,493,419
| -48% | -$8.33M |
|
|
CSHP
4010
iShares Dynamic Short-Term Active ETF
CSHP
$192M
| $5.82M | ﹤0.01% |
58,826
+53,243
| +954% | +$5.29M |
|
4011
CALL
Crescent Energy
CRGY
$4.03B
| $5.82M | ﹤0.01% |
693,370
+630,770
| +1,008% | +$5.54M |
|
4012
CALL
Antero Midstream
AM
$10.7B
| $5.82M | ﹤0.01% |
327,000
-48,100
| -13% | -$867K |
|
4013
PUT
Aehr Test Systems
AEHR
$4.37B
| $5.81M | ﹤0.01% |
287,600
-29,900
| -9% | -$723K |
|
4014
ProShares UltraShort QQQ
QID
$242M
| $5.8M | ﹤0.01% |
+287,312
| New | +$5.92M |
|
4015
PUT
United States Copper Index Fund
CPER
$774M
| $5.8M | ﹤0.01% |
166,000
+39,200
| +31% | +$1.25M |
|
4016
CALL
Dave & Buster's
PLAY
$354M
| $5.8M | ﹤0.01% |
357,900
-223,700
| -38% | -$3.74M |
|
4017
Reynolds Consumer Products
REYN
$5.53B
| $5.8M | ﹤0.01% |
253,109
+3,393
| +1% | +$81.8K |
|
4018
Avient
AVNT
$4.25B
| $5.8M | ﹤0.01% |
185,656
+166,117
| +850% | +$5.14M |
|
4019
CALL
EnerSys
ENS
$7.34B
| $5.8M | ﹤0.01% |
39,500
+17,500
| +80% | +$2.34M |
|
|
JCAP
4020
Jefferson Capital
JCAP
$1.38B
| $5.79M | ﹤0.01% |
259,327
-430,264
| -62% | -$8.69M |
|
4021
PUT
IQVIA
IQV
$39B
| $5.79M | ﹤0.01% |
25,700
-44,600
| -63% | -$9.7M |
|
4022
Transcat
TRNS
$877M
| $5.79M | ﹤0.01% |
102,081
+30,778
| +43% | +$1.92M |
|
4023
CALL
TFI International
TFII
$12.1B
| $5.79M | ﹤0.01% |
56,000
-28,700
| -34% | -$2.67M |
|
4024
CALL
Celcuity
CELC
$4.5B
| $5.78M | ﹤0.01% |
58,000
+33,200
| +134% | +$2.73M |
|
4025
PUT
AvalonBay Communities
AVB
$26.3B
| $5.78M | ﹤0.01% |
31,900
+12,200
| +62% | +$2.21M |
|
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.