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 | |
|---|---|---|---|---|---|---|
12251
PUT
AirSculpt Technologies
AIRS
$247M
| $24K | ﹤0.01% |
12,100
-16,000
| -57% | -$97.1K |
|
|
HIT
12252
Health In Tech Inc
HIT
$65.9M
| $23.9K | ﹤0.01% |
+15,043
| New | +$32.8K |
|
|
RMSG
12253
Real Messenger Corp
RMSG
$5.44M
| $23.9K | ﹤0.01% |
17,669
-1,154
| -6% | -$2.31K |
|
|
CIF
12254
DELISTED
MFS Intermediate High Income Fund
CIF
| $23.8K | ﹤0.01% |
+13,996
| New | +$24.2K |
|
12255
PUT
Lineage Cell Therapeutics
LCTX
$271M
| $23.7K | ﹤0.01% |
14,200
-6,700
| -32% | -$11.6K |
|
12256
CALL
Standard BioTools
LAB
$280M
| $23.7K | ﹤0.01% |
18,500
-27,000
| -59% | -$36.3K |
|
12257
Birks Group
BGI
$7.47M
| $23.7K | ﹤0.01% |
+26,292
| New | +$28.6K |
|
|
ZDAI
12258
DirectBooking Technology Co
ZDAI
$13M
| $23.5K | ﹤0.01% |
7,201
+5,437
| +308% | +$36.7K |
|
12259
PUT
Traeger
COOK
$164M
| $23.4K | ﹤0.01% |
+434
| New | +$21.1K |
|
|
SLXN
12260
Silexion Therapeutics
SLXN
$567K
| $23.4K | ﹤0.01% |
+1,221
| New | +$36.7K |
|
12261
PUT
SelectQuote
SLQT
$129M
| $23.4K | ﹤0.01% |
16,600
+5,000
| +43% | +$8.36K |
|
12262
Catheter Precision
VTAK
$1.01M
| $23.4K | ﹤0.01% |
+12,771
| New | +$29.4K |
|
|
ICON
12263
Icon Energy
ICON
$3.76M
| $23.3K | ﹤0.01% |
6,955
-2,049
| -23% | -$12.8K |
|
12264
CALL
Hyliion Holdings
HYLN
$725M
| $23.2K | ﹤0.01% |
12,600
-13,300
| -51% | -$26.8K |
|
12265
CALL
C4 Therapeutics
CCCC
$522M
| $23.1K | ﹤0.01% |
+12,100
| New | +$28.7K |
|
12266
Pop Culture Group
CPOP
$5.1M
| $22.9K | ﹤0.01% |
+5,450
| New | +$32.7K |
|
|
RVPH
12267
PUT
DELISTED
REVIVA PHARMA HLDGS INC
RVPH
| $22.8K | ﹤0.01% |
4,085
+3,180
| +351% | +$35.4K |
|
12268
CALL
Heron Therapeutics
HRTX
$63.9M
| $22.6K | ﹤0.01% |
+17,400
| New | +$21.5K |
|
12269
New Concept Energy
GBR
$3.66M
| $22.6K | ﹤0.01% |
30,239
-3,929
| -11% | -$3.36K |
|
12270
HF Foods Group
HFFG
$99.2M
| $22.5K | ﹤0.01% |
+10,469
| New | +$25.2K |
|
12271
PUT
Neumora Therapeutics
NMRA
$301M
| $22.2K | ﹤0.01% |
12,400
-31,300
| -72% | -$68.5K |
|
12272
CALL
PMV Pharmaceuticals
PMVP
$67.2M
| $22.1K | ﹤0.01% |
+17,700
| New | +$23.7K |
|
|
SDM
12273
DELISTED
Smart Digital Group
SDM
| $22.1K | ﹤0.01% |
15,939
| – | – |
|
12274
CALL
Noodles & Co
NDLS
$107M
| $22.1K | ﹤0.01% |
+3,913
| New | +$22.2K |
|
|
UHG
12275
DELISTED
United Homes Group
UHG
| $21.8K | ﹤0.01% |
14,005
-56,390
| -80% | -$109K |
|
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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.