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 | |
|---|---|---|---|---|---|---|
1176
CALL
Vanguard Morningstar Total Stock Market ETF
VTI
$696B
| $65.4M | 0.01% |
195,100
-27,200
| -12% | -$9.05M |
|
1177
CALL
HSBC
HSBC
$358B
| $65.4M | 0.01% |
831,300
-26,300
| -3% | -$1.88M |
|
1178
CALL
Lennar Class A
LEN
$21.1B
| $65.3M | 0.01% |
635,500
-23,300
| -4% | -$2.81M |
|
1179
SS&C Technologies
SSNC
$18.8B
| $65.3M | 0.01% |
747,193
+27,691
| +4% | +$2.36M |
|
1180
CALL
Coupang
CPNG
$29.3B
| $65.3M | 0.01% |
2,767,300
+482,700
| +21% | +$13.7M |
|
1181
Rio Tinto
RIO
$160B
| $65.2M | 0.01% |
814,876
+274,180
| +51% | +$19.7M |
|
1182
Ulta Beauty
ULTA
$22.2B
| $65.2M | 0.01% |
107,714
-307,428
| -74% | -$169M |
|
1183
PUT
Las Vegas Sands
LVS
$29.6B
| $65.2M | 0.01% |
1,001,100
-4,200
| -0.4% | -$257K |
|
1184
Newmont
NEM
$120B
| $65.1M | 0.01% |
652,188
+4,405
| +0.7% | +$398K |
|
1185
CALL
ING
ING
$102B
| $65.1M | 0.01% |
2,323,600
-10,500
| -0.4% | -$271K |
|
1186
CALL
Okta
OKTA
$26.9B
| $64.9M | 0.01% |
751,100
-6,900
| -0.9% | -$602K |
|
1187
CALL
Take-Two Interactive
TTWO
$45.2B
| $64.9M | 0.01% |
253,600
-73,400
| -22% | -$18.3M |
|
1188
Prudential Financial
PRU
$42.3B
| $64.8M | 0.01% |
573,728
+312,697
| +120% | +$33.5M |
|
1189
Roku
ROKU
$22.9B
| $64.8M | 0.01% |
596,927
-568,396
| -49% | -$57.7M |
|
1190
CALL
Twilio
TWLO
$37.9B
| $64.7M | 0.01% |
455,200
-167,800
| -27% | -$20.8M |
|
1191
BioNTech
BNTX
$23.1B
| $64.6M | 0.01% |
678,175
+288,680
| +74% | +$29.1M |
|
1192
PUT
DraftKings
DKNG
$12.6B
| $64.5M | 0.01% |
1,871,100
-1,056,400
| -36% | -$34.7M |
|
1193
PUT
Devon Energy
DVN
$48.8B
| $64.4M | 0.01% |
1,758,800
-639,200
| -27% | -$22.3M |
|
1194
FedEx
FDX
$80.3B
| $64.2M | 0.01% |
222,398
+45,671
| +26% | +$12M |
|
1195
Caesars Entertainment
CZR
$6.04B
| $64.2M | 0.01% |
2,745,614
+573,509
| +26% | +$12.9M |
|
1196
PUT
ON Semiconductor
ON
$31.8B
| $64M | 0.01% |
1,181,500
-390,900
| -25% | -$20.1M |
|
1197
CALL
Upstart Holdings
UPST
$3.01B
| $64M | 0.01% |
1,462,900
-2,525,600
| -63% | -$116M |
|
|
1198
CALL
DexCom
DXCM
$34.5B
| $63.9M | 0.01% |
963,400
+260,600
| +37% | +$16.8M |
|
1199
CALL
Cleveland-Cliffs
CLF
$6.93B
| $63.9M | 0.01% |
4,811,100
-2,115,600
| -31% | -$26.7M |
|
|
PPL
1200
PPL Corp
PPL
$26.8B
| $63.8M | 0.01% |
1,823,101
+1,669,969
| +1,091% | +$60.2M |
|
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.