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 | |
|---|---|---|---|---|---|---|
501
PUT
State Street Industrial Select Sector SPDR ETF
XLI
$34.7B
| $192M | 0.03% |
1,239,400
-30,600
| -2% | -$4.71M |
|
502
RTX Corp
RTX
$297B
| $192M | 0.03% |
1,047,391
-291,876
| -22% | -$50.7M |
|
503
Centene
CNC
$32.6B
| $192M | 0.03% |
4,663,967
-1,535,592
| -25% | -$57.5M |
|
504
State Street SPDR S&P Regional Banking ETF
KRE
$4.66B
| $192M | 0.03% |
2,960,413
+1,962,454
| +197% | +$123M |
|
505
PUT
Direxion Daily TSLA Bull 2X ETF
TSLL
$3.51B
| $191M | 0.03% |
10,003,100
+3,081,000
| +45% | +$61.2M |
|
506
PUT
Chipotle Mexican Grill
CMG
$41.6B
| $191M | 0.03% |
5,162,900
-41,800
| -0.8% | -$1.51M |
|
507
CALL
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.3B
| $188M | 0.03% |
311,700
+144,600
| +87% | +$86.5M |
|
508
Edwards Lifesciences
EW
$53.5B
| $188M | 0.03% |
2,203,927
-2,030,643
| -48% | -$167M |
|
509
CubeSmart
CUBE
$9.41B
| $188M | 0.03% |
5,209,257
+3,993,172
| +328% | +$152M |
|
510
CALL
MP Materials
MP
$9.93B
| $188M | 0.03% |
3,717,200
+220,700
| +6% | +$14M |
|
511
CALL
TJX Companies
TJX
$169B
| $188M | 0.03% |
1,221,600
+290,300
| +31% | +$42.9M |
|
512
Chewy
CHWY
$9.16B
| $188M | 0.03% |
5,676,594
+2,906,921
| +105% | +$101M |
|
513
Hershey
HSY
$37.4B
| $187M | 0.03% |
1,029,731
-1,478,904
| -59% | -$270M |
|
514
Caterpillar
CAT
$394B
| $187M | 0.03% |
326,055
-198,528
| -38% | -$110M |
|
515
CALL
Astera Labs
ALAB
$56.6B
| $186M | 0.03% |
1,117,700
-438,900
| -28% | -$73.4M |
|
516
Planet Fitness
PLNT
$3.68B
| $185M | 0.03% |
1,708,083
+209,438
| +14% | +$21.6M |
|
517
Ovintiv
OVV
$17.2B
| $185M | 0.03% |
4,721,743
+2,442,865
| +107% | +$94.7M |
|
518
PUT
Carnival Corporation Ltd
CCL
$39.1B
| $185M | 0.03% |
6,053,500
-477,200
| -7% | -$13.3M |
|
519
CALL
Deere & Co
DE
$166B
| $185M | 0.03% |
396,400
+20,100
| +5% | +$9.43M |
|
520
CALL
Blackrock
BLK
$183B
| $184M | 0.03% |
172,100
+34,200
| +25% | +$37.4M |
|
521
CALL
Lumentum
LITE
$79B
| $184M | 0.03% |
498,900
+100
| +0% | +$25.7K |
|
522
Stryker
SYK
$131B
| $183M | 0.03% |
521,507
+153,719
| +42% | +$56M |
|
|
ETHA
523
PUT
iShares Ethereum Trust ETF
ETHA
$5.57B
| $183M | 0.03% |
8,159,000
+1,295,800
| +19% | +$33.9M |
|
|
524
PUT
RTX Corp
RTX
$297B
| $183M | 0.03% |
997,400
-136,900
| -12% | -$23.8M |
|
525
PUT
Datadog
DDOG
$90.6B
| $183M | 0.03% |
1,342,400
+311,900
| +30% | +$49.3M |
|
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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.