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 | |
|---|---|---|---|---|---|---|
901
CALL
Coherent
COHR
$64B
| $95M | 0.01% |
514,800
-27,700
| -5% | -$4.14M |
|
902
PUT
American International
AIG
$39.8B
| $95M | 0.01% |
1,110,600
+514,300
| +86% | +$41.2M |
|
903
Ventas
VTR
$46.3B
| $94.4M | 0.01% |
1,219,604
-1,971,626
| -62% | -$149M |
|
904
CALL
Hewlett Packard
HPE
$79.2B
| $94.3M | 0.01% |
3,925,700
-2,210,600
| -36% | -$52.1M |
|
905
CALL
Northrop Grumman
NOC
$81.6B
| $94M | 0.01% |
164,900
+3,400
| +2% | +$1.97M |
|
906
PUT
Dollar General
DG
$26.9B
| $94M | 0.01% |
707,900
-71,800
| -9% | -$8.01M |
|
907
DoorDash
DASH
$93.7B
| $93.8M | 0.01% |
414,332
-156,515
| -27% | -$36.7M |
|
908
BILL Holdings
BILL
$5.11B
| $93.4M | 0.01% |
1,712,865
-797,404
| -32% | -$41M |
|
909
AutoZone
AZO
$49.6B
| $93.3M | 0.01% |
27,517
+17,256
| +168% | +$65.2M |
|
910
PUT
GraniteShares ETF Trust GraniteShares 2x Long NVDA Daily ETF
NVDL
$3.89B
| $93.2M | 0.01% |
3,178,500
-737,400
| -19% | -$22.2M |
|
911
CareTrust REIT
CTRE
$9.18B
| $93M | 0.01% |
+2,571,976
| New | +$92.2M |
|
912
Iron Mountain
IRM
$37.7B
| $92.9M | 0.01% |
1,119,371
+1,058,080
| +1,726% | +$99M |
|
913
Ares Management
ARES
$33.7B
| $92.7M | 0.01% |
573,598
+244,170
| +74% | +$38M |
|
914
Popular Inc
BPOP
$11.3B
| $92.6M | 0.01% |
743,659
+223,766
| +43% | +$26.4M |
|
915
CALL
State Street Consumer Staples Select Sector SPDR ETF
XLP
$14.9B
| $92.4M | 0.01% |
1,189,500
+457,900
| +63% | +$35.7M |
|
|
HUT
916
PUT
Hut 8
HUT
$10.2B
| $92.2M | 0.01% |
2,007,260
+92,500
| +5% | +$4.08M |
|
|
TLN
917
PUT
Talen Energy Corp
TLN
$17.2B
| $92.2M | 0.01% |
246,000
-125,200
| -34% | -$48.7M |
|
918
CALL
Rigetti Computing
RGTI
$6.21B
| $92.1M | 0.01% |
4,158,700
-1,613,900
| -28% | -$52.6M |
|
919
Affiliated Managers Group
AMG
$9.7B
| $92.1M | 0.01% |
319,437
-325,704
| -50% | -$84.2M |
|
920
CALL
Altria Group
MO
$109B
| $91.9M | 0.01% |
1,593,500
+319,000
| +25% | +$19.3M |
|
921
PUT
iShares US Home Construction ETF
ITB
$2.37B
| $91.8M | 0.01% |
953,400
-204,400
| -18% | -$20.6M |
|
922
Estee Lauder
EL
$31.6B
| $91.8M | 0.01% |
876,261
-411,558
| -32% | -$39.9M |
|
923
CALL
Rocket Companies
RKT
$42.6B
| $91.4M | 0.01% |
4,721,761
-3,512,928
| -43% | -$62.8M |
|
924
CALL
State Street SPDR S&P Oil & Gas Exploration & Production ETF
XOP
$3.69B
| $91.2M | 0.01% |
722,300
+279,700
| +63% | +$36.2M |
|
925
United Therapeutics
UTHR
$21.5B
| $91.2M | 0.01% |
187,164
-86,818
| -32% | -$40.4M |
|
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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.