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 | |
|---|---|---|---|---|---|---|
12301
CN Energy Group
CNEY
$5M
| $20.2K | ﹤0.01% |
+34,189
| New | +$50.9K |
|
12302
CBL International Ltd
BANL
$23.1M
| $20.1K | ﹤0.01% |
3,483
+892
| +34% | +$6.07K |
|
12303
PUT
CEMIG Preferred Shares
CIG
$5.52B
| $20K | ﹤0.01% |
+10,000
| New | +$20.5K |
|
12304
PUT
Rani Therapeutics
RANI
$89.5M
| $19.8K | ﹤0.01% |
+14,700
| New | +$22.2K |
|
12305
Waldencast
WALD
$173M
| $19.7K | ﹤0.01% |
+10,484
| New | +$21.3K |
|
12306
CALL
Outdoor Holding Co
POWW
$260M
| $19.3K | ﹤0.01% |
11,300
-27,400
| -71% | -$47.1K |
|
|
SAFX
12307
XCF Global Inc
SAFX
$178M
| $19.1K | ﹤0.01% |
+70,067
| New | +$54.5K |
|
12308
PUT
Valens Semiconductor
VLN
$210M
| $19K | ﹤0.01% |
13,400
-19,100
| -59% | -$31.5K |
|
12309
Rackspace Technology
RXT
$1.07B
| $18.8K | ﹤0.01% |
19,383
-455,816
| -96% | -$574K |
|
12310
CALL
MoneyHero
MNY
$40.1M
| $18.8K | ﹤0.01% |
14,900
+600
| +4% | +$787 |
|
12311
PUT
Atossa Therapeutics
ATOS
$25.9M
| $18.8K | ﹤0.01% |
2,120
-127
| -6% | -$1.61K |
|
12312
CALL
SelectQuote
SLQT
$129M
| $18.8K | ﹤0.01% |
+13,300
| New | +$22.2K |
|
|
WCT
12313
Wellchange Holdings
WCT
$4.27M
| $18.7K | ﹤0.01% |
2,341
+549
| +31% | +$7.26K |
|
|
HMR
12314
Heidmar Maritime Holdings
HMR
$82.6M
| $18.6K | ﹤0.01% |
23,785
+10,739
| +82% | +$12.5K |
|
12315
PSQ Holdings
PSQH
$15.5M
| $18.3K | ﹤0.01% |
+1,188
| New | +$29.4K |
|
12316
Splash Beverage Group
SBEV
$2.55M
| $18.3K | ﹤0.01% |
6,638
+3,531
| +114% | +$21.1K |
|
12317
CALL
Fathom Holdings
FTHM
$25.7M
| $18.3K | ﹤0.01% |
18,100
-71,700
| -80% | -$96.6K |
|
|
MVO
12318
CALL
DELISTED
MV Oil Trust
MVO
| $18.2K | ﹤0.01% |
14,700
-1,500
| -9% | -$4.9K |
|
|
LNAI
12319
Lunai Bioworks
LNAI
$10.1M
| $18.2K | ﹤0.01% |
+2,579
| New | +$23K |
|
12320
Enlivex Ltd
ENLV
$26.6M
| $18K | ﹤0.01% |
1,706
-2,890
| -63% | -$43.1K |
|
|
IVF
12321
INVO Fertility Inc
IVF
$1.74M
| $17.8K | ﹤0.01% |
4,738
+3,067
| +184% | +$53.4K |
|
|
YARW
12322
Yarrow Bioscience
YARW
$113M
| $17.7K | ﹤0.01% |
+611
| New | +$12.3K |
|
|
LNKS
12323
Linkers Industries
LNKS
$1.83M
| $17.6K | ﹤0.01% |
222
+139
| +167% | +$14.4K |
|
|
INLF
12324
INLIF Ltd
INLF
$5.22M
| $17.6K | ﹤0.01% |
11
+5
| +83% | +$10.5K |
|
12325
Neonode
NEON
$15.3M
| $17.5K | ﹤0.01% |
10,072
-10,195
| -50% | -$27K |
|
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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.