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 | |
|---|---|---|---|---|---|---|
4926
Schrodinger
SDGR
$1.32B
| $3.36M | ﹤0.01% |
187,915
-98,436
| -34% | -$1.87M |
|
4927
CALL
iShares Russell Mid-Cap ETF
IWR
$58.4B
| $3.36M | ﹤0.01% |
34,900
+8,200
| +31% | +$788K |
|
4928
Autoliv
ALV
$8.94B
| $3.36M | ﹤0.01% |
28,283
-233,787
| -89% | -$27.9M |
|
4929
Leggett & Platt
LEG
$1.32B
| $3.35M | ﹤0.01% |
304,520
-516,122
| -63% | -$5.08M |
|
4930
PUT
Omnicom Group
OMC
$24B
| $3.35M | ﹤0.01% |
41,456
+20,256
| +96% | +$1.55M |
|
4931
CALL
New Oriental
EDU
$8.36B
| $3.35M | ﹤0.01% |
60,800
+30,700
| +102% | +$1.68M |
|
|
MPLT
4932
MapLight Therapeutics
MPLT
$545M
| $3.34M | ﹤0.01% |
+190,139
| New | +$3.19M |
|
4933
PUT
Ambarella
AMBA
$3.6B
| $3.34M | ﹤0.01% |
47,100
-90,500
| -66% | -$7.31M |
|
4934
PUT
BCE
BCE
$21.9B
| $3.33M | ﹤0.01% |
140,000
-27,200
| -16% | -$633K |
|
4935
Heartland Express
HTLD
$989M
| $3.33M | ﹤0.01% |
369,241
-25,065
| -6% | -$209K |
|
4936
PUT
SBA Communications
SBAC
$19.6B
| $3.33M | ﹤0.01% |
17,200
+700
| +4% | +$135K |
|
|
JKS
4937
CALL
JinkoSolar
JKS
$877M
| $3.32M | ﹤0.01% |
128,800
+12,700
| +11% | +$324K |
|
4938
CALL
Cogent Communications
CCOI
$579M
| $3.32M | ﹤0.01% |
154,100
+98,300
| +176% | +$2.9M |
|
4939
PUT
CenterPoint Energy
CNP
$26.9B
| $3.32M | ﹤0.01% |
86,600
-12,100
| -12% | -$472K |
|
4940
Federal Signal
FSS
$7.68B
| $3.32M | ﹤0.01% |
30,568
-12,090
| -28% | -$1.38M |
|
|
PRIV
4941
State Street IG Public & Private Credit ETF
PRIV
$837M
| $3.32M | ﹤0.01% |
+130,476
| New | +$3.33M |
|
4942
CALL
Booz Allen Hamilton
BAH
$9.32B
| $3.32M | ﹤0.01% |
39,300
-156,400
| -80% | -$14M |
|
4943
CALL
Winnebago Industries
WGO
$892M
| $3.31M | ﹤0.01% |
81,700
+23,200
| +40% | +$846K |
|
4944
AdvisorShares Pure US Cannabis ETF
MSOS
$930M
| $3.31M | ﹤0.01% |
701,343
-898,117
| -56% | -$4M |
|
4945
State Street SPDR Nuveen ICE Short Term Municipal Bond ETF
SHM
$3.47B
| $3.31M | ﹤0.01% |
68,901
+30,611
| +80% | +$1.47M |
|
4946
PUT
Equinor
EQNR
$96.8B
| $3.31M | ﹤0.01% |
139,900
-40,500
| -22% | -$955K |
|
4947
Oculis Holding
OCS
$719M
| $3.3M | ﹤0.01% |
+165,487
| New | +$3.31M |
|
4948
CALL
Beyond Meat
BYND
$232M
| $3.3M | ﹤0.01% |
134,327
+98,720
| +277% | +$4.12M |
|
4949
CALL
Invesco CurrencyShares Canadian Dollar Trust
FXC
$73.9M
| $3.3M | ﹤0.01% |
46,400
+16,200
| +54% | +$1.14M |
|
4950
Capital Group Core Bond ETF
CGCB
$5.77B
| $3.3M | ﹤0.01% |
124,474
-75,233
| -38% | -$2.01M |
|
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.