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 | |
|---|---|---|---|---|---|---|
11401
PUT
Paysign
PAYS
$744M
| $129K | ﹤0.01% |
25,000
-7,400
| -23% | -$39.9K |
|
11402
PUT
Carlyle Secured Lending
CGBD
$781M
| $129K | ﹤0.01% |
10,300
-12,800
| -55% | -$159K |
|
|
TSLG
11403
PUT
Leverage Shares 2X Long TSLA Daily ETF
TSLG
$35.8M
| $129K | ﹤0.01% |
13,800
+500
| +4% | +$5K |
|
11404
PUT
Humacyte
HUMA
$168M
| $129K | ﹤0.01% |
133,900
+60,600
| +83% | +$85.8K |
|
|
DHF
11405
BNY Mellon High Yield Strategies Fund
DHF
$174M
| $128K | ﹤0.01% |
51,765
+13,572
| +36% | +$34.4K |
|
|
MVO
11406
DELISTED
MV Oil Trust
MVO
| $128K | ﹤0.01% |
103,516
+84,776
| +452% | +$277K |
|
11407
Vivid Seats
SEAT
$80.7M
| $127K | ﹤0.01% |
17,671
-33,776
| -66% | -$332K |
|
11408
PUT
Black Diamond Therapeutics
BDTX
$116M
| $127K | ﹤0.01% |
+52,400
| New | +$186K |
|
|
NAGE
11409
CALL
Niagen Bioscience
NAGE
$239M
| $127K | ﹤0.01% |
20,000
-34,500
| -63% | -$240K |
|
11410
Nuveen Municipal High Income Opportunity Fund
NMZ
$2.21B
| $127K | ﹤0.01% |
+12,468
| New | +$131K |
|
11411
CALL
Avita Medical
RCEL
$243M
| $127K | ﹤0.01% |
36,700
+3,100
| +9% | +$12.4K |
|
11412
Cibus
CBUS
$135M
| $126K | ﹤0.01% |
72,604
+51,456
| +243% | +$76.8K |
|
11413
Nuveen Dynamic Municipal Opportunities Fund
NDMO
$608M
| $126K | ﹤0.01% |
+12,524
| New | +$131K |
|
11414
CALL
Clean Energy Fuels
CLNE
$403M
| $126K | ﹤0.01% |
60,000
+1,600
| +3% | +$3.91K |
|
11415
CALL
Solid Biosciences
SLDB
$986M
| $126K | ﹤0.01% |
22,300
+7,400
| +50% | +$40.1K |
|
|
FIRY
11416
Firy Inc
FIRY
$156M
| $126K | ﹤0.01% |
29,177
-11,531
| -28% | -$71.2K |
|
|
BTOC
11417
Armlogi Holding Corp
BTOC
$12.9M
| $126K | ﹤0.01% |
+241,823
| New | +$154K |
|
11418
PUT
Talos Energy
TALO
$2.63B
| $126K | ﹤0.01% |
11,400
-49,200
| -81% | -$515K |
|
11419
PUT
MBIA
MBI
$264M
| $125K | ﹤0.01% |
17,500
-11,500
| -40% | -$83.1K |
|
11420
Orchestra BioMed
OBIO
$265M
| $125K | ﹤0.01% |
30,175
-23,827
| -44% | -$96.1K |
|
|
GRFS
11421
Grifois
GRFS
$5.29B
| $125K | ﹤0.01% |
13,343
-224,213
| -94% | -$2.04M |
|
11422
PUT
Alpha Tau Medical
DRTS
$1.32B
| $125K | ﹤0.01% |
+25,200
| New | +$106K |
|
11423
CALL
Clarivate
CLVT
$1.23B
| $125K | ﹤0.01% |
37,300
+300
| +0.8% | +$1.07K |
|
11424
PUT
FTC Solar
FTCI
$38.7M
| $124K | ﹤0.01% |
+11,400
| New | +$104K |
|
|
RWT
11425
PUT
Redwood Trust
RWT
$604M
| $124K | ﹤0.01% |
22,400
-65,500
| -75% | -$360K |
|
Similar funds
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.