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 | |
|---|---|---|---|---|---|---|
251
PUT
United Airlines
UAL
$41B
| $393M | 0.06% |
3,512,100
+130,800
| +4% | +$13.2M |
|
252
CALL
Lockheed Martin
LMT
$138B
| $390M | 0.06% |
806,400
-247,300
| -23% | -$118M |
|
253
CALL
Arm
ARM
$287B
| $388M | 0.06% |
3,552,000
-1,083,600
| -23% | -$158M |
|
254
PUT
iShares MSCI Canada ETF
EWC
$6.48B
| $387M | 0.06% |
7,185,000
-1,386,400
| -16% | -$71.7M |
|
255
Cardinal Health
CAH
$55.9B
| $386M | 0.06% |
1,876,697
+934,750
| +99% | +$176M |
|
256
CALL
Baidu
BIDU
$35.9B
| $385M | 0.06% |
2,947,800
-646,400
| -18% | -$80.2M |
|
257
CALL
Rocket Lab Corp
RKLB
$51.2B
| $385M | 0.06% |
5,517,000
+325,900
| +6% | +$18.7M |
|
258
CALL
McDonald's
MCD
$194B
| $382M | 0.06% |
1,248,400
+99,800
| +9% | +$30.6M |
|
259
CALL
Arista Networks
ANET
$250B
| $380M | 0.06% |
2,902,100
+315,200
| +12% | +$43.4M |
|
260
CALL
Accenture
ACN
$110B
| $380M | 0.06% |
1,414,700
+453,700
| +47% | +$115M |
|
261
PUT
Pinduoduo
PDD
$129B
| $378M | 0.06% |
3,336,800
-733,000
| -18% | -$91M |
|
|
NVO
262
Novo Nordisk
NVO
$207B
| $377M | 0.06% |
7,410,923
+4,278,889
| +137% | +$219M |
|
263
PUT
Shopify
SHOP
$196B
| $375M | 0.06% |
2,331,000
-428,800
| -16% | -$68.8M |
|
264
CALL
Morgan Stanley
MS
$338B
| $375M | 0.06% |
2,110,800
-318,300
| -13% | -$53.1M |
|
265
CALL
Mastercard
MA
$492B
| $374M | 0.06% |
656,000
+65,700
| +11% | +$36.7M |
|
266
Loews
L
$23.1B
| $374M | 0.06% |
3,549,364
-45,520
| -1% | -$4.7M |
|
267
Chevron
CVX
$386B
| $371M | 0.06% |
2,436,931
+937,480
| +63% | +$143M |
|
268
Coherent
COHR
$64.3B
| $366M | 0.05% |
1,980,523
+1,415,412
| +250% | +$212M |
|
|
CRWV
269
PUT
CoreWeave
CRWV
$49.3B
| $364M | 0.05% |
5,082,400
+863,900
| +20% | +$87.6M |
|
270
CALL
Bloom Energy
BE
$62.2B
| $363M | 0.05% |
4,177,100
+1,138,000
| +37% | +$120M |
|
271
MongoDB
MDB
$35.3B
| $362M | 0.05% |
861,717
+160,355
| +23% | +$58.3M |
|
272
CALL
Walt Disney
DIS
$179B
| $361M | 0.05% |
3,173,400
-1,240,500
| -28% | -$137M |
|
273
CALL
Roblox
RBLX
$25.9B
| $361M | 0.05% |
4,452,000
+1,014,800
| +30% | +$108M |
|
274
DraftKings
DKNG
$12.6B
| $357M | 0.05% |
10,372,434
+9,295,010
| +863% | +$306M |
|
275
CALL
State Street Energy Select Sector SPDR ETF
XLE
$39.8B
| $357M | 0.05% |
7,981,600
+1,358,400
| +21% | +$60.5M |
|
Similar funds
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.