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 | |
|---|---|---|---|---|---|---|
976
PUT
Celsius Holdings
CELH
$7.28B
| $83.6M | 0.01% |
1,828,500
-708,900
| -28% | -$35.7M |
|
977
PUT
Credo Technology Group
CRDO
$49.6B
| $83.6M | 0.01% |
581,100
-177,200
| -23% | -$27.3M |
|
978
PUT
Altria Group
MO
$109B
| $83.6M | 0.01% |
1,450,100
-239,200
| -14% | -$14.4M |
|
979
AppFolio
APPF
$6.97B
| $83.5M | 0.01% |
358,915
+331,938
| +1,230% | +$78.9M |
|
980
CALL
ON Semiconductor
ON
$31.8B
| $83.3M | 0.01% |
1,538,800
-472,400
| -23% | -$24.2M |
|
981
Charles River Laboratories
CRL
$13.4B
| $83.3M | 0.01% |
417,516
+299,486
| +254% | +$54.3M |
|
982
PUT
Elevance Health
ELV
$86.6B
| $83.2M | 0.01% |
237,300
-273,000
| -53% | -$92.3M |
|
983
Wayfair
W
$13.9B
| $83.2M | 0.01% |
828,285
-372,480
| -31% | -$35.8M |
|
984
Globe Life
GL
$13.8B
| $83.1M | 0.01% |
593,997
+259,275
| +77% | +$35.1M |
|
985
CALL
Quanta Services
PWR
$102B
| $83M | 0.01% |
196,600
-4,100
| -2% | -$1.8M |
|
986
PUT
Fortinet
FTNT
$121B
| $82.9M | 0.01% |
1,044,500
-94,400
| -8% | -$7.83M |
|
987
Webster Financial
WBS
$12.8B
| $82.9M | 0.01% |
1,316,931
-854,417
| -39% | -$50.7M |
|
988
PUT
KKR & Co
KKR
$99.5B
| $82.8M | 0.01% |
649,500
-50,100
| -7% | -$6.23M |
|
989
CSX Corp
CSX
$92.8B
| $82.6M | 0.01% |
2,277,469
-4,647,920
| -67% | -$166M |
|
990
PUT
American Tower
AMT
$79.4B
| $82.5M | 0.01% |
470,100
+206,500
| +78% | +$37.6M |
|
991
CALL
Futu Holdings
FUTU
$14.7B
| $82.2M | 0.01% |
500,800
-193,900
| -28% | -$33.3M |
|
992
Axalta
AXTA
$7.98B
| $82.1M | 0.01% |
2,540,137
-1,790,598
| -41% | -$52.5M |
|
993
Dollar General
DG
$26.4B
| $81.9M | 0.01% |
616,795
-39,950
| -6% | -$4.46M |
|
994
First Majestic Silver
AG
$9.26B
| $81.8M | 0.01% |
4,910,061
-7,250,482
| -60% | -$101M |
|
995
Thor Industries
THO
$4.11B
| $81.8M | 0.01% |
+796,511
| New | +$82.8M |
|
996
Macerich
MAC
$6.99B
| $81.7M | 0.01% |
4,425,546
+511,439
| +13% | +$9.01M |
|
997
CALL
Abercrombie & Fitch
ANF
$4.99B
| $81.5M | 0.01% |
647,800
+185,000
| +40% | +$16.2M |
|
998
Suncor Energy
SU
$76.5B
| $81.5M | 0.01% |
1,836,287
-726,884
| -28% | -$30.7M |
|
999
PUT
Abbott
ABT
$193B
| $81.4M | 0.01% |
649,400
-228,800
| -26% | -$29.1M |
|
1000
PUT
BP
BP
$110B
| $81.3M | 0.01% |
2,342,300
+138,700
| +6% | +$4.87M |
|
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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.