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 | |
|---|---|---|---|---|---|---|
11101
Biodesix
BDSX
$253M
| $177K | ﹤0.01% |
+25,985
| New | +$191K |
|
11102
Braskem
BAK
$777M
| $176K | ﹤0.01% |
+59,781
| New | +$164K |
|
11103
Harbor Dividend Growth Leaders ETF
GDIV
$239M
| $176K | ﹤0.01% |
10,562
-11,010
| -51% | -$181K |
|
11104
Crown Crafts
CRWS
$30.7M
| $176K | ﹤0.01% |
+63,556
| New | +$177K |
|
11105
HireQuest
HQI
$234M
| $176K | ﹤0.01% |
16,731
-845
| -5% | -$7.45K |
|
11106
PUT
Cardlytics
CDLX
$24.9M
| $175K | ﹤0.01% |
15,250
-23,010
| -60% | -$355K |
|
|
TWO
11107
PUT
Two Harbors Investment
TWO
$1.27B
| $175K | ﹤0.01% |
16,700
-13,000
| -44% | -$130K |
|
|
BGX
11108
Blackstone Long-Short Credit Income Fund
BGX
$139M
| $175K | ﹤0.01% |
+15,038
| New | +$177K |
|
11109
CALL
Zegna
ZGN
$3.69B
| $175K | ﹤0.01% |
+17,100
| New | +$175K |
|
11110
Atomera
ATOM
$219M
| $175K | ﹤0.01% |
79,293
-104,305
| -57% | -$315K |
|
|
DX
11111
CALL
Dynex Capital
DX
$3.24B
| $175K | ﹤0.01% |
+12,500
| New | +$169K |
|
11112
PUT
VinFast Auto
VFS
$7.42B
| $175K | ﹤0.01% |
52,300
-6,600
| -11% | -$22K |
|
11113
Suzano
SUZ
$9.99B
| $174K | ﹤0.01% |
18,676
-30,412
| -62% | -$276K |
|
11114
PUT
FNB Corp
FNB
$6.93B
| $174K | ﹤0.01% |
10,200
-9,500
| -48% | -$155K |
|
|
MTA
11115
PUT
Metalla Royalty & Streaming
MTA
$912M
| $174K | ﹤0.01% |
22,400
+2,400
| +12% | +$17.3K |
|
11116
CALL
Ovid Therapeutics
OVID
$553M
| $174K | ﹤0.01% |
106,900
+28,400
| +36% | +$43.7K |
|
11117
Rallybio
RLYB
$90.2M
| $174K | ﹤0.01% |
31,730
-23,108
| -42% | -$119K |
|
|
ADUR
11118
CALL
Aduro Clean Technologies
ADUR
$573M
| $174K | ﹤0.01% |
16,800
-44,900
| -73% | -$592K |
|
11119
CALL
LivePerson
LPSN
$35.2M
| $174K | ﹤0.01% |
44,884
+37,444
| +503% | +$208K |
|
11120
OneWater Marine
ONEW
$198M
| $174K | ﹤0.01% |
16,052
-5,085
| -24% | -$67.9K |
|
11121
PUT
Compañía de Cervecerías Unidas
CCU
$2.18B
| $174K | ﹤0.01% |
+13,600
| New | +$172K |
|
11122
CALL
AngioDynamics
ANGO
$655M
| $173K | ﹤0.01% |
13,500
-17,700
| -57% | -$218K |
|
|
AMRN
11123
CALL
Amarin Corp
AMRN
$297M
| $173K | ﹤0.01% |
12,400
-6,800
| -35% | -$112K |
|
|
ELE
11124
Elemental Royalty Corp
ELE
$1.36B
| $173K | ﹤0.01% |
+10,190
| New | +$157K |
|
11125
CALL
CPI Aerostructures
CVU
$77.6M
| $173K | ﹤0.01% |
+43,600
| New | +$119K |
|
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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.