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 | |
|---|---|---|---|---|---|---|
1151
Independent Bank
INDB
$4.05B
| $67M | 0.01% |
916,550
+566,915
| +162% | +$40.3M |
|
1152
PUT
State Street SPDR S&P Retail ETF
XRT
$643M
| $66.9M | 0.01% |
784,900
-431,800
| -35% | -$36.3M |
|
1153
PUT
Northrop Grumman
NOC
$81.6B
| $66.9M | 0.01% |
117,400
-35,700
| -23% | -$20.7M |
|
1154
PUT
Bank of Montreal
BMO
$129B
| $66.9M | 0.01% |
515,500
-14,900
| -3% | -$1.89M |
|
1155
CALL
CRH
CRH
$65.2B
| $66.9M | 0.01% |
536,000
-2,700
| -0.5% | -$322K |
|
1156
Bruker
BRKR
$8.83B
| $66.9M | 0.01% |
1,419,467
+103,833
| +8% | +$4.39M |
|
1157
Trex
TREX
$5.1B
| $66.7M | 0.01% |
1,901,418
+1,644,159
| +639% | +$66.5M |
|
1158
International Flavors & Fragrances
IFF
$21.4B
| $66.7M | 0.01% |
989,582
-192,267
| -16% | -$12.4M |
|
1159
Abercrombie & Fitch
ANF
$4.84B
| $66.5M | 0.01% |
528,701
-110,372
| -17% | -$9.65M |
|
1160
CALL
Autodesk
ADSK
$54.5B
| $66.5M | 0.01% |
224,800
-22,700
| -9% | -$6.87M |
|
1161
Mirum Pharmaceuticals
MIRM
$6.02B
| $66.4M | 0.01% |
840,220
-200,324
| -19% | -$14.4M |
|
1162
CALL
Toast
TOST
$20.4B
| $66.3M | 0.01% |
1,866,600
+449,700
| +32% | +$16.2M |
|
1163
CALL
Emerson Electric
EMR
$91.4B
| $66.1M | 0.01% |
498,400
+52,500
| +12% | +$6.96M |
|
1164
PUT
Twilio
TWLO
$37.9B
| $66.1M | 0.01% |
464,900
-74,600
| -14% | -$9.24M |
|
1165
PUT
Fair Isaac
FICO
$24B
| $66.1M | 0.01% |
39,100
-21,500
| -35% | -$37M |
|
1166
PUT
AB InBev
BUD
$158B
| $66.1M | 0.01% |
1,031,800
-173,300
| -14% | -$10.8M |
|
|
CMA
1167
DELISTED
Comerica
CMA
| $66M | 0.01% |
759,336
-1,712,881
| -69% | -$138M |
|
1168
Evergy
EVRG
$19.2B
| $66M | 0.01% |
910,129
-523,022
| -36% | -$39.7M |
|
1169
iShares MSCI EAFE ETF
EFA
$80.3B
| $65.9M | 0.01% |
686,686
-1,939,007
| -74% | -$184M |
|
1170
PUT
Microchip Technology
MCHP
$42.2B
| $65.9M | 0.01% |
1,034,300
-399,200
| -28% | -$24.6M |
|
1171
Etsy
ETSY
$7.4B
| $65.6M | 0.01% |
1,183,387
+442,636
| +60% | +$27M |
|
|
1172
PUT
Etsy
ETSY
$7.4B
| $65.6M | 0.01% |
1,183,000
-233,000
| -16% | -$14.2M |
|
|
PPLT
1173
CALL
abrdn Physical Platinum Shares ETF
PPLT
$2B
| $65.5M | 0.01% |
3,515,000
+1,956,000
| +125% | +$30.1M |
|
1174
Altria Group
MO
$109B
| $65.5M | 0.01% |
1,135,952
-1,788,149
| -61% | -$108M |
|
1175
Roper Technologies
ROP
$39.1B
| $65.5M | 0.01% |
147,108
-152,759
| -51% | -$70.7M |
|
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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.