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 | |
|---|---|---|---|---|---|---|
|
MTVA
11576
MetaVia Inc
MTVA
$7.69M
| $103K | ﹤0.01% |
+12,192
| New | +$117K |
|
|
CFND
11577
C1 Fund Inc
CFND
$18M
| $103K | ﹤0.01% |
+20,923
| New | +$136K |
|
|
ACH
11578
PUT
Accendra Health
ACH
$73.1M
| $102K | ﹤0.01% |
36,600
-3,600
| -9% | -$12.9K |
|
11579
PUT
VirTra
VTSI
$36.6M
| $102K | ﹤0.01% |
24,400
-18,500
| -43% | -$96.6K |
|
|
PCF
11580
High Income Securities Fund
PCF
$102M
| $102K | ﹤0.01% |
+16,632
| New | +$103K |
|
11581
PUT
Absci
ABSI
$1.58B
| $102K | ﹤0.01% |
29,300
-91,000
| -76% | -$332K |
|
11582
CALL
Prairie Operating Co
PROP
$97.7M
| $102K | ﹤0.01% |
60,500
+1,200
| +2% | +$2.18K |
|
|
BDCIU
11583
BTC Development Corp Unit
BDCIU
| $102K | ﹤0.01% |
+10,073
| New | +$103K |
|
|
VIVO
11584
CALL
VivoPower PLC
VIVO
$150M
| $102K | ﹤0.01% |
45,100
-12,000
| -21% | -$41.2K |
|
|
FCRS
11585
FutureCrest Acquisition Corp
FCRS
$368M
| $102K | ﹤0.01% |
+10,107
| New | +$102K |
|
11586
PUT
Pliant Therapeutics
PLRX
$66.3M
| $102K | ﹤0.01% |
83,600
+68,200
| +443% | +$102K |
|
11587
PUT
Rezolute
RZLT
$443M
| $102K | ﹤0.01% |
43,200
+17,500
| +68% | +$137K |
|
11588
CALL
Vertical Aerospace
EVTL
$142M
| $102K | ﹤0.01% |
19,100
-35,700
| -65% | -$181K |
|
11589
CALL
Opko Health
OPK
$1.03B
| $102K | ﹤0.01% |
80,700
-46,300
| -36% | -$64.4K |
|
11590
CALL
Dynagas LNG Partners
DLNG
$140M
| $101K | ﹤0.01% |
26,900
+6,200
| +30% | +$22.6K |
|
|
NMG
11591
PUT
Nouveau Monde Graphite
NMG
$484M
| $101K | ﹤0.01% |
40,800
+19,600
| +92% | +$57.4K |
|
11592
Nephros
NEPH
$50.3M
| $101K | ﹤0.01% |
20,710
+4,165
| +25% | +$21.3K |
|
11593
PUT
Nomura Holdings
NMR
$28.7B
| $101K | ﹤0.01% |
+12,000
| New | +$89.6K |
|
11594
Estrella Immunopharma
ESLA
$31.1M
| $100K | ﹤0.01% |
64,394
+14,272
| +28% | +$27K |
|
11595
CALL
Orchestra BioMed
OBIO
$265M
| $100K | ﹤0.01% |
+24,200
| New | +$97.6K |
|
11596
PUT
Rocket Pharmaceuticals
RCKT
$381M
| $100K | ﹤0.01% |
28,600
-50,100
| -64% | -$172K |
|
11597
Mind CTI
MNDO
$20.6M
| $100K | ﹤0.01% |
87,275
+57,176
| +190% | +$65K |
|
|
CREG
11598
DELISTED
Smart Powerr
CREG
| $100K | ﹤0.01% |
+7,545
| New | +$95.8K |
|
11599
PUT
Helix Energy Solutions
HLX
$1.54B
| $100K | ﹤0.01% |
16,000
-10,100
| -39% | -$67.1K |
|
11600
Invesco Municipal Opportunity Trust
VMO
$664M
| $100K | ﹤0.01% |
+10,458
| New | +$101K |
|
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.