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 | |
|---|---|---|---|---|---|---|
4251
CRA International
CRAI
$1.06B
| $5.01M | ﹤0.01% |
24,948
+15,613
| +167% | +$2.94M |
|
4252
Texas Roadhouse
TXRH
$13.6B
| $5M | ﹤0.01% |
30,141
-153,056
| -84% | -$25.9M |
|
4253
PUT
Franklin Resources
BEN
$17.2B
| $5M | ﹤0.01% |
209,100
+57,700
| +38% | +$1.32M |
|
4254
Boise Cascade
BCC
$2.9B
| $4.99M | ﹤0.01% |
67,826
-18,581
| -22% | -$1.35M |
|
4255
CALL
Genius Sports
GENI
$2.33B
| $4.99M | ﹤0.01% |
452,900
+80,400
| +22% | +$877K |
|
4256
iShares US Utilities ETF
IDU
$1.38B
| $4.99M | ﹤0.01% |
46,028
+27,121
| +143% | +$3.03M |
|
|
NTSK
4257
Netskope Inc
NTSK
$6.39B
| $4.98M | ﹤0.01% |
284,092
-802,316
| -74% | -$16.7M |
|
|
VENU
4258
Venu Holding Corp
VENU
$111M
| $4.98M | ﹤0.01% |
591,393
-101,677
| -15% | -$1.13M |
|
4259
PUT
Zebra Technologies
ZBRA
$17.8B
| $4.98M | ﹤0.01% |
20,500
+10,500
| +105% | +$2.81M |
|
4260
CALL
Pitney Bowes
PBI
$2.25B
| $4.98M | ﹤0.01% |
470,800
+241,500
| +105% | +$2.5M |
|
4261
Nexa Resources
NEXA
$1.88B
| $4.97M | ﹤0.01% |
561,171
+500,884
| +831% | +$3.26M |
|
|
CMA
4262
CALL
DELISTED
Comerica
CMA
| $4.96M | ﹤0.01% |
57,100
-18,700
| -25% | -$1.51M |
|
4263
CALL
Braze
BRZE
$3.26B
| $4.94M | ﹤0.01% |
144,200
-29,100
| -17% | -$862K |
|
|
LAC
4264
PUT
Lithium Americas
LAC
$1.23B
| $4.94M | ﹤0.01% |
1,134,000
+498,900
| +79% | +$2.88M |
|
4265
PUT
ODDITY Tech
ODD
$605M
| $4.94M | ﹤0.01% |
123,000
+46,900
| +62% | +$2.12M |
|
|
MFA
4266
MFA Financial
MFA
$926M
| $4.94M | ﹤0.01% |
530,592
+509,871
| +2,461% | +$4.75M |
|
4267
Logitech
LOGI
$14.8B
| $4.94M | ﹤0.01% |
49,281
-41,281
| -46% | -$4.64M |
|
4268
MicroSectors FANG+ ETNs due Jan 8 2038
FNGS
$602M
| $4.94M | ﹤0.01% |
72,529
+53,724
| +286% | +$3.78M |
|
4269
Assurant
AIZ
$13.9B
| $4.93M | ﹤0.01% |
20,482
-53,741
| -72% | -$12M |
|
4270
Pacer Data & Infrastructure Real Estate ETF
SRVR
$391M
| $4.93M | ﹤0.01% |
172,073
+151,047
| +718% | +$4.55M |
|
4271
Xencor
XNCR
$1.74B
| $4.93M | ﹤0.01% |
321,808
-159,360
| -33% | -$2.38M |
|
4272
PUT
Nutanix
NTNX
$18B
| $4.93M | ﹤0.01% |
95,300
-19,000
| -17% | -$1.16M |
|
4273
JPMorgan Limited Duration Bond ETF
JPLD
$3.96B
| $4.93M | ﹤0.01% |
+94,101
| New | +$4.93M |
|
4274
PUT
Bank OZK
OZK
$5.72B
| $4.92M | ﹤0.01% |
107,000
-2,400
| -2% | -$112K |
|
4275
Installed Building Products
IBP
$6.39B
| $4.92M | ﹤0.01% |
18,965
-18,282
| -49% | -$4.73M |
|
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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.