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 | |
|---|---|---|---|---|---|---|
626
Core Scientific
CORZ
$6.36B
| $150M | 0.02% |
10,330,766
+5,312,905
| +106% | +$92.6M |
|
627
Franklin Resources
BEN
$17.2B
| $150M | 0.02% |
6,280,203
+1,897,692
| +43% | +$43.6M |
|
|
PR
628
Permian Resources
PR
$17.7B
| $149M | 0.02% |
10,605,868
-7,775,867
| -42% | -$104M |
|
629
PUT
AngloGold Ashanti
AU
$48.1B
| $149M | 0.02% |
1,742,500
-612,200
| -26% | -$47.7M |
|
630
Marathon Petroleum
MPC
$100B
| $148M | 0.02% |
912,252
+568,249
| +165% | +$106M |
|
631
PUT
Avis
CAR
$4.84B
| $148M | 0.02% |
1,155,800
-324,500
| -22% | -$45.3M |
|
632
PUT
Wayfair
W
$13.9B
| $148M | 0.02% |
1,471,600
-366,700
| -20% | -$35.3M |
|
633
PUT
Corning
GLW
$137B
| $148M | 0.02% |
1,687,300
+187,200
| +12% | +$16.1M |
|
634
McCormick & Company Non-Voting
MKC
$14.6B
| $148M | 0.02% |
2,168,213
-689,548
| -24% | -$45.8M |
|
635
PUT
JD.com
JD
$39.6B
| $148M | 0.02% |
5,145,200
-1,084,500
| -17% | -$33.9M |
|
636
PUT
NextEra Energy
NEE
$179B
| $147M | 0.02% |
1,832,700
+209,200
| +13% | +$17.3M |
|
637
TJX Companies
TJX
$170B
| $147M | 0.02% |
955,020
+111,231
| +13% | +$16.5M |
|
638
CALL
Rubrik
RBRK
$21.6B
| $147M | 0.02% |
1,916,200
+1,310,800
| +217% | +$101M |
|
639
CALL
Occidental Petroleum
OXY
$57.7B
| $146M | 0.02% |
3,561,000
-804,000
| -18% | -$33.6M |
|
640
Woodward
WWD
$21.2B
| $146M | 0.02% |
483,545
+117,107
| +32% | +$32.2M |
|
641
Eaton
ETN
$176B
| $146M | 0.02% |
458,627
+160,723
| +54% | +$57M |
|
642
CALL
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$23.5B
| $146M | 0.02% |
1,221,500
-72,900
| -6% | -$8.64M |
|
643
CALL
Zoetis
ZTS
$31.3B
| $145M | 0.02% |
1,155,400
+837,800
| +264% | +$109M |
|
644
CALL
Hims & Hers Health
HIMS
$6.71B
| $145M | 0.02% |
4,450,800
-2,025,000
| -31% | -$86.7M |
|
645
Clorox
CLX
$12.9B
| $144M | 0.02% |
1,429,284
+1,403,060
| +5,350% | +$152M |
|
646
CALL
State Street SPDR S&P Homebuilders ETF
XHB
$1.6B
| $144M | 0.02% |
1,398,600
+1,117,100
| +397% | +$119M |
|
647
PUT
Direxion Daily S&P 500 Bull 3x ETF
SPXL
$7.41B
| $143M | 0.02% |
648,700
-339,700
| -34% | -$73.8M |
|
648
On Holding
ONON
$10.6B
| $143M | 0.02% |
3,078,451
+1,228,966
| +66% | +$53M |
|
649
UMB Financial
UMBF
$11.5B
| $143M | 0.02% |
1,241,165
+361,718
| +41% | +$41M |
|
650
CALL
Fair Isaac
FICO
$24B
| $143M | 0.02% |
84,400
| – | – |
|
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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.