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 | |
|---|---|---|---|---|---|---|
|
FEED
12101
ENvue Medical Inc
FEED
$4.06M
| $38.2K | ﹤0.01% |
+16,516
| New | +$77.8K |
|
|
TWG
12102
Top Wealth Group Holding Ltd
TWG
$26.2M
| $37.6K | ﹤0.01% |
+11,439
| New | +$64.6K |
|
12103
MediciNova
MNOV
$64.5M
| $37.6K | ﹤0.01% |
28,712
-44,185
| -61% | -$61K |
|
12104
CALL
Lantern Pharma
LTRN
$33.9M
| $37.3K | ﹤0.01% |
12,300
-6,100
| -33% | -$22.7K |
|
|
TKLF
12105
Yoshitsu Co
TKLF
$8.21M
| $37.2K | ﹤0.01% |
+12,062
| New | +$36.6K |
|
12106
CALL
PLAYSTUDIOS Inc
MYPS
$63.1M
| $37.1K | ﹤0.01% |
57,000
-22,800
| -29% | -$17.8K |
|
12107
Silynxcom
SYNX
$7.1M
| $37.1K | ﹤0.01% |
+34,627
| New | +$46.1K |
|
12108
PUT
Mercer International
MERC
$31.6M
| $36.8K | ﹤0.01% |
18,600
-1,800
| -9% | -$3.79K |
|
12109
CALL
Rockwell Medical
RMTI
$29.2M
| $36.5K | ﹤0.01% |
+4,380
| New | +$44.2K |
|
|
RYOJ
12110
rYojbaba Co Ltd
RYOJ
$53.7M
| $36.4K | ﹤0.01% |
11,532
-3,893
| -25% | -$15.1K |
|
|
TOUR
12111
PUT
Tuniu
TOUR
$53.2M
| $36.3K | ﹤0.01% |
5,850
+850
| +17% | +$6.69K |
|
12112
Datasea Intelligent Technology Ltd
DTSS
$7.98M
| $36.2K | ﹤0.01% |
+55,393
| New | +$83.9K |
|
|
ONL
12113
CALL
Orion Office REIT
ONL
$164M
| $36.2K | ﹤0.01% |
16,000
+5,300
| +50% | +$12.5K |
|
|
PRHI
12114
Presurance Holdings
PRHI
$23.6M
| $36K | ﹤0.01% |
+7,213
| New | +$58.4K |
|
12115
PUT
AC Immune
ACIU
$248M
| $35.8K | ﹤0.01% |
11,400
-11,100
| -49% | -$35K |
|
12116
HeartCore Enterprises
HTCR
$3.75M
| $35.7K | ﹤0.01% |
+5,852
| New | +$71.6K |
|
|
FCHL
12117
Fitness Champs Holdings
FCHL
$1.52M
| $35.7K | ﹤0.01% |
+343
| New | +$61.3K |
|
12118
NextPlat
NXPL
$22.4M
| $35.7K | ﹤0.01% |
6,677
+1,859
| +39% | +$13.2K |
|
12119
Golden Heaven Group Holdings
GDHG
$79.7M
| $35.7K | ﹤0.01% |
+19,482
| New | +$88.6K |
|
12120
Greenpro Capital
GRNQ
$13.9M
| $35.3K | ﹤0.01% |
+1,953
| New | +$31.2K |
|
|
IHT
12121
InnSuites Hospitality Trust
IHT
$15M
| $35.3K | ﹤0.01% |
26,365
+5,244
| +25% | +$7.57K |
|
|
VIVS
12122
VivoSim Labs
VIVS
$1.13M
| $35.2K | ﹤0.01% |
+19,449
| New | +$46.3K |
|
|
ZYBT
12123
Zhengye Biotechnology Holding
ZYBT
$73.9M
| $35.2K | ﹤0.01% |
30,576
+18,891
| +162% | +$41.9K |
|
|
TBHC
12124
CALL
DELISTED
The Brand House Collective
TBHC
| $35.1K | ﹤0.01% |
31,900
-4,400
| -12% | -$6.1K |
|
12125
BiomX
PHGE
$1.59M
| $35K | ﹤0.01% |
18,707
+10,192
| +120% | +$68.6K |
|
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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.