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 | |
|---|---|---|---|---|---|---|
12151
CALL
Leslie's
LESL
$6.04M
| $33.1K | ﹤0.01% |
+20,065
| New | +$65.1K |
|
|
BLRX
12152
CALL
BioLineRX
BLRX
$12M
| $33.1K | ﹤0.01% |
+11,600
| New | +$40.1K |
|
|
OGI
12153
PUT
Organigram Holdings
OGI
$173M
| $32.9K | ﹤0.01% |
+19,600
| New | +$33.7K |
|
12154
CALL
Flux Power
FLUX
$12.7M
| $32.9K | ﹤0.01% |
25,900
+1,000
| +4% | +$2.95K |
|
12155
PUT
Ceragon Networks
CRNT
$200M
| $32.8K | ﹤0.01% |
15,600
-81,000
| -84% | -$181K |
|
12156
Odyssey Marine Exploration
OMEX
$52.9M
| $32.7K | ﹤0.01% |
16,673
-140,281
| -89% | -$325K |
|
12157
PUT
Fate Therapeutics
FATE
$308M
| $32.6K | ﹤0.01% |
33,200
+15,700
| +90% | +$18.9K |
|
12158
DDC Enterprise Ltd
DDC
$31.5M
| $32.6K | ﹤0.01% |
+15,882
| New | +$84.5K |
|
|
EHGO
12159
Eshallgo Inc
EHGO
$5.68M
| $32.5K | ﹤0.01% |
9,423
+7,463
| +381% | +$46.5K |
|
12160
CALL
Myomo
MYO
$68.1M
| $32.4K | ﹤0.01% |
+35,600
| New | +$34.1K |
|
|
BCG
12161
Binah Capital Group
BCG
$26.3M
| $32.4K | ﹤0.01% |
+11,242
| New | +$23.1K |
|
12162
PUT
Wrap Technologies
WRAP
$105M
| $32.4K | ﹤0.01% |
+13,600
| New | +$32.8K |
|
12163
Xenetic Biosciences
XBIO
$7.51M
| $32.3K | ﹤0.01% |
+14,879
| New | +$47.4K |
|
12164
AquaBounty Technologies
AQB
$7.64M
| $32.2K | ﹤0.01% |
+34,587
| New | +$43.6K |
|
12165
CALL
Magnachip Semiconductor
MX
$139M
| $32.1K | ﹤0.01% |
12,600
+1,100
| +10% | +$3.06K |
|
12166
Iveda Solutions
IVDA
$4.94M
| $32.1K | ﹤0.01% |
+38,196
| New | +$42.6K |
|
12167
Sentage Holdings
SNTG
$5.55M
| $32K | ﹤0.01% |
+16,745
| New | +$40.3K |
|
|
AFCG
12168
PUT
AFC Gamma
AFCG
$72.1M
| $31.9K | ﹤0.01% |
11,200
+900
| +9% | +$2.86K |
|
12169
OneMedNet
ONMD
$44.5M
| $31.9K | ﹤0.01% |
28,964
+18,576
| +179% | +$32.9K |
|
12170
Super League Enterprise
SLE
$3.65M
| $31.8K | ﹤0.01% |
+4,347
| New | +$87.5K |
|
12171
PUT
Laser Photonics
LASE
$74.3M
| $31.6K | ﹤0.01% |
12,800
-3,700
| -22% | -$12.4K |
|
12172
KALA BIO
KALA
$18.3M
| $31.3K | ﹤0.01% |
+1,128
| New | +$50.5K |
|
|
PPBT
12173
PUT
Purple Biotech
PPBT
$2.44M
| $31.2K | ﹤0.01% |
+4,750
| New | +$34.5K |
|
12174
PUT
Televisa
TV
$1.53B
| $31.1K | ﹤0.01% |
+10,700
| New | +$29.2K |
|
|
LPRO
12175
CALL
DELISTED
Open Lending Corp
LPRO
| $31K | ﹤0.01% |
20,000
-7,400
| -27% | -$13.1K |
|
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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.