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 | |
|---|---|---|---|---|---|---|
8226
CALL
Universal Technical Institute
UTI
$1.44B
| $679K | ﹤0.01% |
26,000
-107,500
| -81% | -$3.04M |
|
8227
AdvanSix
ASIX
$451M
| $679K | ﹤0.01% |
+39,265
| New | +$686K |
|
|
IONL
8228
CALL
GraniteShares 2x Long IONQ Daily ETF
IONL
$95.7M
| $679K | ﹤0.01% |
20,600
+14,300
| +227% | +$900K |
|
8229
Fresenius Medical Care
FMS
$12.5B
| $679K | ﹤0.01% |
+28,489
| New | +$709K |
|
8230
PUT
Mattel
MAT
$4.17B
| $679K | ﹤0.01% |
34,200
-38,400
| -53% | -$742K |
|
8231
CALL
Louisiana-Pacific
LPX
$5.05B
| $678K | ﹤0.01% |
8,400
-16,200
| -66% | -$1.37M |
|
8232
W&T Offshore
WTI
$566M
| $678K | ﹤0.01% |
416,018
-327,152
| -44% | -$628K |
|
8233
CALL
Newell Brands
NWL
$2.57B
| $677K | ﹤0.01% |
182,100
-27,200
| -13% | -$110K |
|
8234
CALL
Janus Henderson B-BBB CLO ETF
JBBB
$1.45B
| $677K | ﹤0.01% |
14,200
-75,600
| -84% | -$3.62M |
|
|
OSG
8235
PUT
Octave Specialty Group
OSG
$208M
| $677K | ﹤0.01% |
87,000
-5,500
| -6% | -$47K |
|
8236
PUT
Sprinklr
CXM
$1.57B
| $677K | ﹤0.01% |
87,000
-21,600
| -20% | -$164K |
|
8237
WisdomTree International Multifactor Fund
DWMF
$34.5M
| $677K | ﹤0.01% |
+20,797
| New | +$670K |
|
8238
DHI Group
DHX
$185M
| $676K | ﹤0.01% |
436,075
+295,171
| +209% | +$558K |
|
8239
PUT
NovaGold Resources
NG
$3.4B
| $676K | ﹤0.01% |
72,500
-90,300
| -55% | -$837K |
|
8240
CALL
ImmunityBio
IBRX
$8.39B
| $675K | ﹤0.01% |
341,000
-189,500
| -36% | -$429K |
|
|
VZLA
8241
CALL
Vizsla Silver
VZLA
$1.28B
| $674K | ﹤0.01% |
+123,300
| New | +$579K |
|
8242
CALL
Medallion Financial
MFIN
$255M
| $674K | ﹤0.01% |
65,500
+16,300
| +33% | +$163K |
|
8243
Hyster-Yale Materials Handling
HY
$622M
| $674K | ﹤0.01% |
22,682
+420
| +2% | +$13.9K |
|
|
ARIS
8244
CALL
Aris Mining
ARIS
$3.74B
| $674K | ﹤0.01% |
41,500
-14,300
| -26% | -$176K |
|
8245
iShares International Treasury Bond ETF
IGOV
$1.54B
| $674K | ﹤0.01% |
16,167
-68,388
| -81% | -$2.88M |
|
8246
PUT
Webster Financial
WBS
$12.8B
| $673K | ﹤0.01% |
10,700
+3,200
| +43% | +$190K |
|
8247
USCB Financial Holdings
USCB
$416M
| $673K | ﹤0.01% |
36,526
+7,986
| +28% | +$143K |
|
8248
PUT
RBC Bearings
RBC
$17.7B
| $673K | ﹤0.01% |
1,500
+800
| +114% | +$339K |
|
8249
iShares Asia/Pacific Dividend ETF
DVYA
$71.8M
| $673K | ﹤0.01% |
+15,191
| New | +$662K |
|
8250
Abeona Therapeutics
ABEO
$340M
| $673K | ﹤0.01% |
127,618
-145,828
| -53% | -$734K |
|
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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.