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 | |
|---|---|---|---|---|---|---|
4951
RLX Technology
RLX
$2.37B
| $3.3M | ﹤0.01% |
1,416,671
-1,078,024
| -43% | -$2.58M |
|
|
CVSA
4952
CALL
Covista Inc
CVSA
$4.49B
| $3.3M | ﹤0.01% |
31,900
+16,200
| +103% | +$1.86M |
|
4953
Direxion Daily Regional Banks Bull 3X ETF
DPST
$417M
| $3.3M | ﹤0.01% |
32,664
-37,014
| -53% | -$3.48M |
|
|
SEM
4954
DELISTED
Select Medical
SEM
| $3.3M | ﹤0.01% |
222,185
-135,765
| -38% | -$1.92M |
|
4955
PUT
Aramark
ARMK
$16.4B
| $3.3M | ﹤0.01% |
89,500
-37,900
| -30% | -$1.44M |
|
4956
Maximus
MMS
$2.89B
| $3.3M | ﹤0.01% |
38,198
-212,445
| -85% | -$18.2M |
|
4957
PUT
XP
XP
$8.17B
| $3.3M | ﹤0.01% |
201,400
-480,400
| -70% | -$8.46M |
|
4958
PUT
Viper Energy
VNOM
$15.2B
| $3.29M | ﹤0.01% |
85,236
-95,948
| -53% | -$3.63M |
|
4959
Sasol
SSL
$7.39B
| $3.29M | ﹤0.01% |
505,340
+180,883
| +56% | +$1.14M |
|
4960
PIMCO Short Term Municipal Bond Active Exchange-Traded Fund
SMMU
$1.17B
| $3.29M | ﹤0.01% |
65,152
+46,794
| +255% | +$2.36M |
|
4961
CALL
Mercury Systems
MRCY
$6.67B
| $3.29M | ﹤0.01% |
45,000
+18,100
| +67% | +$1.35M |
|
4962
CALL
Vista Energy
VIST
$7.56B
| $3.28M | ﹤0.01% |
67,500
-129,900
| -66% | -$5.87M |
|
|
BA.PRA
4963
Boeing Co 6.00% Series A Preferred Stock
BA.PRA
$8.18B
| $3.28M | ﹤0.01% |
47,553
+41,008
| +627% | +$2.74M |
|
4964
CALL
Hudbay
HBM
$11.9B
| $3.28M | ﹤0.01% |
165,200
+34,200
| +26% | +$578K |
|
4965
PUT
FS KKR Capital
FSK
$3.42B
| $3.28M | ﹤0.01% |
221,400
+51,100
| +30% | +$775K |
|
4966
NGL Energy Partners
NGL
$2.24B
| $3.28M | ﹤0.01% |
+327,880
| New | +$2.75M |
|
4967
CALL
Dycom Industries
DY
$12.6B
| $3.28M | ﹤0.01% |
9,700
-7,400
| -43% | -$2.33M |
|
4968
VictoryShares US EQ Income Enhanced Volatility Wtd ETF
CDC
$755M
| $3.28M | ﹤0.01% |
49,707
+3,534
| +8% | +$233K |
|
4969
CALL
Fiverr
FVRR
$324M
| $3.27M | ﹤0.01% |
165,700
-93,400
| -36% | -$2.01M |
|
|
CGCV
4970
Capital Group Conservative Equity ETF
CGCV
$2.02B
| $3.27M | ﹤0.01% |
107,351
-138,764
| -56% | -$4.2M |
|
4971
PUT
Tencent Music
TME
$14.5B
| $3.27M | ﹤0.01% |
186,700
+35,000
| +23% | +$710K |
|
|
NTSK
4972
CALL
Netskope Inc
NTSK
$6.39B
| $3.27M | ﹤0.01% |
186,400
+122,200
| +190% | +$2.55M |
|
4973
iShares Russell Mid-Cap Value ETF
IWS
$16.1B
| $3.27M | ﹤0.01% |
23,179
+21,369
| +1,181% | +$2.99M |
|
4974
PC Connection
CNXN
$2.05B
| $3.27M | ﹤0.01% |
56,602
-19,067
| -25% | -$1.14M |
|
4975
PUT
Fastly Inc
FSLY
$4.77B
| $3.27M | ﹤0.01% |
321,100
-51,100
| -14% | -$504K |
|
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.