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 | |
|---|---|---|---|---|---|---|
12176
Gogoro
GGR
$45.8M
| $30.9K | ﹤0.01% |
11,264
+2,208
| +24% | +$8.9K |
|
12177
CALL
Protalix BioTherapeutics
PLX
$179M
| $30.6K | ﹤0.01% |
+17,000
| New | +$34.8K |
|
12178
EpicQuest Education Group
EEIQ
$3.8M
| $30.5K | ﹤0.01% |
8,771
+924
| +12% | +$5.34K |
|
12179
Taoping
TAOP
$8.12M
| $30.5K | ﹤0.01% |
+21,811
| New | +$50.5K |
|
|
YXT
12180
YXT.COM Group Holding Ltd
YXT
$21.8M
| $30.3K | ﹤0.01% |
3,839
-1,688
| -31% | -$15K |
|
|
PTIX
12181
DELISTED
Performance Technologies
PTIX
| $30.3K | ﹤0.01% |
+23,311
| New | +$52.6K |
|
12182
PUT
Heron Therapeutics
HRTX
$63.9M
| $30.3K | ﹤0.01% |
23,300
-36,300
| -61% | -$44.8K |
|
12183
PUT
Coherus Oncology
CHRS
$185M
| $29.8K | ﹤0.01% |
21,000
-98,700
| -82% | -$144K |
|
12184
CALL
Good Times Restaurants
GTIM
$16.4M
| $29.5K | ﹤0.01% |
24,400
+10,000
| +69% | +$14K |
|
12185
PUT
OraSure Technologies
OSUR
$265M
| $29.5K | ﹤0.01% |
+12,200
| New | +$32.1K |
|
12186
CALL
Hyperfine
HYPR
$94.7M
| $29.5K | ﹤0.01% |
30,100
+3,700
| +14% | +$4.46K |
|
12187
Cardio Diagnostics
CDIO
$6.04M
| $29.4K | ﹤0.01% |
10,858
-8,662
| -44% | -$31.5K |
|
|
TMDE
12188
TMD Energy Limited
TMDE
$17.2M
| $29.4K | ﹤0.01% |
+69,216
| New | +$49.6K |
|
12189
CALL
CarParts.com
PRTS
$47.1M
| $29.1K | ﹤0.01% |
+5,820
| New | +$32.6K |
|
12190
Snail Inc
SNAL
$27.6M
| $28.9K | ﹤0.01% |
+6,506
| New | +$32K |
|
|
WYHG
12191
Wing Yip Food Holdings
WYHG
$65.2M
| $28.9K | ﹤0.01% |
13,123
+4,164
| +46% | +$15.8K |
|
12192
Harvard Bioscience
HBIO
$30.3M
| $28.8K | ﹤0.01% |
+4,299
| New | +$25.5K |
|
12193
Galmed Pharmaceuticals
GLMD
$4.32M
| $28.7K | ﹤0.01% |
38,177
-12,315
| -24% | -$14.4K |
|
12194
Swvl Holdings
SWVL
$14.1M
| $28.6K | ﹤0.01% |
+15,057
| New | +$41.8K |
|
12195
CALL
Codexis
CDXS
$171M
| $28.5K | ﹤0.01% |
17,500
+1,300
| +8% | +$2.65K |
|
12196
CALL
NanoViricides
NNVC
$35.2M
| $28.5K | ﹤0.01% |
25,200
-12,100
| -32% | -$17K |
|
12197
Integrated Media Technology
IMTE
$1.8M
| $28.5K | ﹤0.01% |
+48,802
| New | +$41.9K |
|
12198
CALL
Playboy Inc
PLBY
$151M
| $28.4K | ﹤0.01% |
15,100
-23,300
| -61% | -$38.1K |
|
|
CODX
12199
CALL
Co-Diagnostics
CODX
$9.77M
| $28.3K | ﹤0.01% |
5,587
+4,214
| +307% | +$45.9K |
|
|
SGRP
12200
DELISTED
SPAR Group
SGRP
| $28.1K | ﹤0.01% |
35,527
+21,884
| +160% | +$21K |
|
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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.