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 | |
|---|---|---|---|---|---|---|
1401
PUT
iShares Russell 1000 Growth ETF
IWF
$128B
| $50.3M | 0.01% |
424,800
-107,600
| -20% | -$12.7M |
|
1402
Pultegroup
PHM
$24.8B
| $50.2M | 0.01% |
428,464
+281,803
| +192% | +$34.6M |
|
1403
Equitable Holdings
EQH
$14.5B
| $50.2M | 0.01% |
1,054,060
+974,701
| +1,228% | +$46.2M |
|
1404
Nasdaq
NDAQ
$54.3B
| $50.2M | 0.01% |
516,718
-1,568,373
| -75% | -$141M |
|
1405
OR Royalties Inc
OR
$6.2B
| $50.1M | 0.01% |
1,416,814
+1,241,822
| +710% | +$43.5M |
|
1406
PUT
The Mosaic Company
MOS
$6.92B
| $50M | 0.01% |
2,077,400
+468,600
| +29% | +$12.6M |
|
1407
CALL
Vale
VALE
$58B
| $50M | 0.01% |
3,835,400
-3,863,500
| -50% | -$46.9M |
|
|
DOCU
1408
CALL
DocuSign
DOCU
$11.8B
| $49.9M | 0.01% |
729,500
+9,100
| +1% | +$629K |
|
1409
DuPont de Nemours
DD
$19.6B
| $49.8M | 0.01% |
413,241
+165,207
| +67% | +$18.6M |
|
1410
CALL
American Eagle Outfitters
AEO
$2.72B
| $49.8M | 0.01% |
1,888,000
+723,300
| +62% | +$14.3M |
|
1411
CALL
C.H. Robinson
CHRW
$17.4B
| $49.7M | 0.01% |
309,300
-54,100
| -15% | -$7.99M |
|
|
1412
PUT
American Eagle Outfitters
AEO
$2.72B
| $49.7M | 0.01% |
1,884,700
+648,200
| +52% | +$12.8M |
|
1413
Roivant Sciences
ROIV
$26.2B
| $49.6M | 0.01% |
2,286,001
+1,317,798
| +136% | +$26M |
|
1414
Trade Desk
TTD
$6.66B
| $49.5M | 0.01% |
1,304,409
+859,251
| +193% | +$38.1M |
|
1415
Symbotic
SYM
$5.53B
| $49.5M | 0.01% |
+832,009
| New | +$54.9M |
|
1416
Travel + Leisure Co
TNL
$4.59B
| $49.4M | 0.01% |
701,010
+48,268
| +7% | +$3.16M |
|
1417
PUT
Southwest Airlines
LUV
$21.8B
| $49.4M | 0.01% |
1,194,400
-645,500
| -35% | -$22.5M |
|
1418
PUT
Appian
APPN
$2.58B
| $49.3M | 0.01% |
1,392,400
-178,200
| -11% | -$6.35M |
|
1419
Marvell Technology
MRVL
$197B
| $49.3M | 0.01% |
580,162
-720,717
| -55% | -$63.1M |
|
1420
CALL
EOG Resources
EOG
$74.8B
| $49.3M | 0.01% |
469,100
-45,000
| -9% | -$4.83M |
|
1421
CALL
Pinterest
PINS
$13.6B
| $49.2M | 0.01% |
1,902,200
+320,100
| +20% | +$9.22M |
|
1422
CALL
Galicia Financial Group
GGAL
$7.08B
| $49.2M | 0.01% |
911,800
-1,075,300
| -54% | -$50.3M |
|
1423
CALL
QuantumScape Corp
QS
$3.85B
| $49.1M | 0.01% |
4,716,300
+1,622,100
| +52% | +$22.4M |
|
|
FYBR
1424
DELISTED
Frontier Communications
FYBR
| $49.1M | 0.01% |
1,290,739
+348,083
| +37% | +$13.2M |
|
1425
Aecom
ACM
$8.2B
| $49.1M | 0.01% |
514,743
+430,049
| +508% | +$50.6M |
|
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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.