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 | |
|---|---|---|---|---|---|---|
|
TIRX
12326
DELISTED
Tian Ruixiang Holdings
TIRX
| $17.5K | ﹤0.01% |
+48,378
| New | +$46.2K |
|
12327
CALL
Enlivex Ltd
ENLV
$26.6M
| $17.3K | ﹤0.01% |
+1,640
| New | +$24.5K |
|
12328
Nexalin Technology
NXL
$7.7M
| $17.2K | ﹤0.01% |
+30,907
| New | +$34.7K |
|
12329
CALL
TRX Gold Corp
TRX
$367M
| $17.2K | ﹤0.01% |
+18,700
| New | +$13.9K |
|
12330
Farmmi Inc
FAMI
$4.79M
| $17.1K | ﹤0.01% |
+13,395
| New | +$21.4K |
|
|
BKYI
12331
BIO-key International
BKYI
$3.46M
| $17.1K | ﹤0.01% |
3,164
+590
| +23% | +$4.51K |
|
12332
CALL
Marchex
MCHX
$82M
| $16.9K | ﹤0.01% |
+10,200
| New | +$17.3K |
|
12333
PUT
Ocean Power Technologies
OPTT
$55.9M
| $16.9K | ﹤0.01% |
56,400
-114,700
| -67% | -$51.5K |
|
12334
Ainos
AIMD
$10.5M
| $16.7K | ﹤0.01% |
+10,196
| New | +$28.7K |
|
|
JZ
12335
Jianzhi Education Technology Group
JZ
$4.5M
| $16.7K | ﹤0.01% |
544
-81
| -13% | -$3.57K |
|
12336
CALL
Bioceres Crop Solutions
BIOX
$28.7M
| $16.6K | ﹤0.01% |
12,700
-10,600
| -45% | -$17K |
|
|
GLE
12337
Global Engine Group
GLE
$6.88M
| $16.6K | ﹤0.01% |
+47,299
| New | +$25.8K |
|
|
FSP
12338
PUT
Franklin Street Properties
FSP
$50.8M
| $16.6K | ﹤0.01% |
+17,500
| New | +$20.3K |
|
|
JBDI
12339
JBDI Holdings
JBDI
$13.2M
| $16.5K | ﹤0.01% |
+11,226
| New | +$27.4K |
|
|
FARM
12340
CALL
DELISTED
Farmer Brothers
FARM
| $16.5K | ﹤0.01% |
+11,300
| New | +$18.2K |
|
12341
CALL
Mind CTI
MNDO
$20.6M
| $16.4K | ﹤0.01% |
+14,300
| New | +$16.2K |
|
|
CMBM
12342
PUT
DELISTED
Cambium Networks
CMBM
| $16.3K | ﹤0.01% |
+11,300
| New | +$19.2K |
|
|
OLPX
12343
PUT
DELISTED
Olaplex Holdings
OLPX
| $16.2K | ﹤0.01% |
12,100
-6,100
| -34% | -$7.26K |
|
12344
PUT
Grove Collaborative
GROV
$44M
| $16.1K | ﹤0.01% |
14,600
-8,600
| -37% | -$11.7K |
|
12345
Scienjoy Holding
SJ
$40.3M
| $16.1K | ﹤0.01% |
23,093
-53,616
| -70% | -$31.4K |
|
|
HCAI
12346
Huachen AI Parking Management Technology
HCAI
$5.3M
| $16K | ﹤0.01% |
+1,552
| New | +$22.3K |
|
12347
PUT
Hain Celestial
HAIN
$52.4M
| $15.9K | ﹤0.01% |
14,900
-35,600
| -70% | -$43.9K |
|
|
RDHL
12348
Redhill Biopharma
RDHL
$3.59M
| $15.9K | ﹤0.01% |
+15,477
| New | +$20.8K |
|
12349
CLPS Inc
CLPS
$25.8M
| $15.8K | ﹤0.01% |
+19,515
| New | +$18K |
|
|
BBLG
12350
Bone Biologics
BBLG
$1.19M
| $15.7K | ﹤0.01% |
+10,844
| New | +$21.6K |
|
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.