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 | |
|---|---|---|---|---|---|---|
301
Spotify
SPOT
$103B
| $335M | 0.05% |
577,196
+215,085
| +59% | +$134M |
|
302
Sherwin-Williams
SHW
$88.5B
| $335M | 0.05% |
1,032,746
+729,337
| +240% | +$244M |
|
303
CALL
Newmont
NEM
$124B
| $334M | 0.05% |
3,344,500
-134,100
| -4% | -$12.1M |
|
304
PUT
American Express
AXP
$230B
| $333M | 0.05% |
900,800
+88,600
| +11% | +$31.7M |
|
305
CALL
Honeywell
HON
$72.9B
| $328M | 0.05% |
1,683,800
+638,397
| +61% | +$125M |
|
|
306
PUT
AbbVie
ABBV
$442B
| $327M | 0.05% |
1,432,800
-456,400
| -24% | -$104M |
|
307
CALL
United Airlines
UAL
$41B
| $327M | 0.05% |
2,920,700
-466,200
| -14% | -$47.1M |
|
308
PUT
KLA
KLAC
$262B
| $325M | 0.05% |
2,677,000
+1,137,000
| +74% | +$133M |
|
309
PUT
United Parcel Service
UPS
$88.8B
| $325M | 0.05% |
3,278,700
-839,700
| -20% | -$78.5M |
|
310
PUT
Reddit
RDDT
$30.1B
| $324M | 0.05% |
1,408,300
-614,800
| -30% | -$129M |
|
311
PUT
Invesco S&P 500 Equal Weight ETF
RSP
$99.4B
| $323M | 0.05% |
1,688,400
-261,500
| -13% | -$49.6M |
|
312
CALL
Constellation Energy
CEG
$98.6B
| $323M | 0.05% |
915,400
+194,800
| +27% | +$70.8M |
|
313
CALL
State Street SPDR S&P Biotech ETF
XBI
$10.4B
| $323M | 0.05% |
2,650,000
-1,265,200
| -32% | -$145M |
|
|
314
CALL
United Parcel Service
UPS
$88.8B
| $319M | 0.05% |
3,220,200
-911,600
| -22% | -$85.3M |
|
315
PUT
Walt Disney
DIS
$179B
| $318M | 0.05% |
2,792,900
-799,400
| -22% | -$88M |
|
316
Booking.com
BKNG
$160B
| $317M | 0.05% |
1,477,850
+851,975
| +136% | +$175M |
|
317
PUT
State Street SPDR S&P Regional Banking ETF
KRE
$4.61B
| $316M | 0.05% |
4,879,200
+970,200
| +25% | +$61M |
|
318
PUT
Super Micro Computer
SMCI
$20.4B
| $315M | 0.05% |
10,750,300
+634,900
| +6% | +$26.1M |
|
319
Synopsys
SNPS
$78.7B
| $314M | 0.05% |
668,086
+541,322
| +427% | +$240M |
|
320
CALL
Warner Bros
WBD
$67.9B
| $313M | 0.05% |
10,859,600
+6,729,300
| +163% | +$157M |
|
321
PUT
Starbucks
SBUX
$122B
| $312M | 0.05% |
3,706,900
+329,000
| +10% | +$27.8M |
|
322
Gaming and Leisure Properties
GLPI
$12.4B
| $312M | 0.05% |
6,981,740
-281,849
| -4% | -$12.5M |
|
|
OKLO
323
CALL
Oklo
OKLO
$8.74B
| $311M | 0.05% |
4,337,000
-445,400
| -9% | -$49.7M |
|
324
Freeport-McMoran
FCX
$96.4B
| $311M | 0.05% |
6,120,995
-1,472,419
| -19% | -$63.8M |
|
325
CALL
Chevron
CVX
$386B
| $311M | 0.05% |
2,039,316
-1,198,104
| -37% | -$182M |
|
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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.