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 | |
|---|---|---|---|---|---|---|
3051
IonQ
IONQ
$18.7B
| $11.5M | ﹤0.01% |
255,492
-614,401
| -71% | -$34.4M |
|
3052
CALL
AerCap
AER
$24B
| $11.5M | ﹤0.01% |
79,700
-24,900
| -24% | -$3.3M |
|
|
DX
3053
Dynex Capital
DX
$3.24B
| $11.5M | ﹤0.01% |
817,586
+76,312
| +10% | +$1.03M |
|
|
SEZL
3054
CALL
Sezzle
SEZL
$4.34B
| $11.4M | ﹤0.01% |
180,300
-28,400
| -14% | -$1.94M |
|
3055
PUT
Citizens Financial Group
CFG
$31.5B
| $11.4M | ﹤0.01% |
195,900
+1,300
| +0.7% | +$69.8K |
|
3056
Omnicell
OMCL
$1.7B
| $11.4M | ﹤0.01% |
252,062
-48,393
| -16% | -$1.77M |
|
3057
CALL
Universal Health Services
UHS
$10B
| $11.4M | ﹤0.01% |
52,300
+18,000
| +52% | +$3.98M |
|
3058
CALL
Camtek
CAMT
$7.72B
| $11.4M | ﹤0.01% |
107,200
-25,900
| -19% | -$2.91M |
|
3059
iPath Series B S&P 500 VIX Short-Term Futures ETN
VXX
$140M
| $11.4M | ﹤0.01% |
430,417
-153,261
| -26% | -$5.01M |
|
3060
CALL
Pagaya Technologies
PGY
$1.8B
| $11.4M | ﹤0.01% |
544,820
+102,056
| +23% | +$2.6M |
|
3061
PUT
DaVita
DVA
$11.5B
| $11.4M | ﹤0.01% |
100,200
-20,500
| -17% | -$2.49M |
|
3062
Eagle Materials
EXP
$6.4B
| $11.4M | ﹤0.01% |
54,974
-18,581
| -25% | -$4.1M |
|
3063
PUT
Trip.com Group
TCOM
$28.3B
| $11.4M | ﹤0.01% |
158,000
+37,100
| +31% | +$2.65M |
|
3064
iShares Global 100 ETF
IOO
$9.42B
| $11.4M | ﹤0.01% |
+89,644
| New | +$11.1M |
|
|
GOOS
3065
Canada Goose Holdings
GOOS
$854M
| $11.3M | ﹤0.01% |
876,427
+647,509
| +283% | +$8.62M |
|
3066
ONE Gas
OGS
$5.09B
| $11.3M | ﹤0.01% |
146,904
-16,711
| -10% | -$1.34M |
|
|
TIGR
3067
UP Fintech Holding
TIGR
$822M
| $11.3M | ﹤0.01% |
1,186,032
+146,029
| +14% | +$1.39M |
|
3068
Pitney Bowes
PBI
$2.25B
| $11.3M | ﹤0.01% |
1,069,923
-495,556
| -32% | -$5.14M |
|
3069
CALL
Tyson Foods
TSN
$20.5B
| $11.3M | ﹤0.01% |
192,900
-12,500
| -6% | -$687K |
|
3070
PUT
J.M. Smucker
SJM
$13B
| $11.3M | ﹤0.01% |
115,600
+1,300
| +1% | +$134K |
|
3071
Neurocrine Biosciences
NBIX
$15.5B
| $11.3M | ﹤0.01% |
79,711
-713,528
| -90% | -$103M |
|
3072
PUT
Carlyle Group
CG
$17.6B
| $11.3M | ﹤0.01% |
190,400
-149,500
| -44% | -$8.49M |
|
3073
Direxion Daily S&P 500 Bear 1X ETF
SPDN
$198M
| $11.2M | ﹤0.01% |
1,191,504
+292,666
| +33% | +$2.79M |
|
3074
uniQure
QURE
$3.37B
| $11.2M | ﹤0.01% |
469,300
+39,590
| +9% | +$1.53M |
|
3075
Li Auto
LI
$12B
| $11.2M | ﹤0.01% |
662,080
-276,626
| -29% | -$5.48M |
|
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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.