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 | |
|---|---|---|---|---|---|---|
851
PUT
Halliburton
HAL
$27.4B
| $102M | 0.02% |
3,614,200
-862,100
| -19% | -$22.8M |
|
852
PUT
iShares US Real Estate ETF
IYR
$4.58B
| $102M | 0.02% |
1,087,100
+120,300
| +12% | +$11.5M |
|
853
Gen Digital
GEN
$17.7B
| $102M | 0.02% |
3,743,550
+3,213,739
| +607% | +$86.5M |
|
854
Consolidated Edison
ED
$40.1B
| $102M | 0.02% |
1,023,744
+74,524
| +8% | +$7.4M |
|
855
Hamilton Lane
HLNE
$5.91B
| $101M | 0.02% |
755,373
-477,891
| -39% | -$60.1M |
|
856
AES
AES
$10.5B
| $101M | 0.02% |
7,073,948
-3,261,852
| -32% | -$46M |
|
857
PUT
Honeywell
HON
$74.2B
| $101M | 0.02% |
519,500
-788,289
| -60% | -$154M |
|
858
CALL
Marriott International
MAR
$91.9B
| $101M | 0.02% |
325,500
+183,900
| +130% | +$52.5M |
|
859
PUT
McKesson
MCK
$99.9B
| $101M | 0.02% |
123,000
+2,800
| +2% | +$2.28M |
|
|
EXE
860
PUT
Expand Energy Corp
EXE
$21.9B
| $101M | 0.02% |
913,972
-152,600
| -14% | -$16.9M |
|
861
Piper Sandler
PIPR
$5.54B
| $101M | 0.02% |
1,187,080
+551,984
| +87% | +$46.6M |
|
|
TEM
862
CALL
Tempus AI
TEM
$9.8B
| $100M | 0.02% |
1,699,300
+444,700
| +35% | +$34.8M |
|
863
Cadence Design Systems
CDNS
$89.2B
| $100M | 0.02% |
320,939
+143,225
| +81% | +$46.7M |
|
864
CALL
Progressive
PGR
$121B
| $100M | 0.02% |
440,500
+89,100
| +25% | +$20.1M |
|
865
CALL
3M
MMM
$94.2B
| $100M | 0.02% |
624,700
-166,000
| -21% | -$27.1M |
|
866
Royal Gold
RGLD
$19.1B
| $99.9M | 0.02% |
449,439
-51,971
| -10% | -$10.3M |
|
867
CALL
iShares MSCI EAFE ETF
EFA
$80.3B
| $99.9M | 0.02% |
1,040,000
-802,900
| -44% | -$76.2M |
|
868
PUT
Ferrari
RACE
$72.5B
| $99.6M | 0.02% |
269,400
+180,900
| +204% | +$72.4M |
|
869
Becton Dickinson
BDX
$49.6B
| $99.5M | 0.01% |
512,781
+154,220
| +43% | +$29.3M |
|
870
CALL
Cencora
COR
$59.2B
| $99.3M | 0.01% |
294,000
+25,400
| +9% | +$8.66M |
|
871
Deckers Outdoor
DECK
$12.7B
| $99.3M | 0.01% |
957,671
+543,977
| +131% | +$51M |
|
872
Global Payments
GPN
$25.1B
| $99.1M | 0.01% |
1,279,828
-449,939
| -26% | -$36.2M |
|
873
PUT
Vanguard Morningstar Total Stock Market ETF
VTI
$696B
| $99M | 0.01% |
295,200
+5,200
| +2% | +$1.73M |
|
874
IDEX
IEX
$17.6B
| $98.7M | 0.01% |
554,821
+217,876
| +65% | +$37.2M |
|
875
Protagonist Therapeutics
PTGX
$9.8B
| $98.4M | 0.01% |
1,126,687
+888,806
| +374% | +$72.7M |
|
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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.