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 |
Meta Platforms (Facebook)
META
|
+$1.45B |
| 2 |
Visa
V
|
+$1.05B |
| 3 |
Microsoft
MSFT
|
+$1.01B |
| 4 |
Apple
AAPL
|
+$578M |
| 5 |
Norfolk Southern
NSC
|
+$545M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
HES
Hess
HES
|
+$1.24B |
| 2 |
McDonald's
MCD
|
+$707M |
| 3 |
JPMorgan Chase
JPM
|
+$680M |
| 4 |
Texas Instruments
TXN
|
+$678M |
| 5 |
Edwards Lifesciences
EW
|
+$664M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.8% |
| 2 | Healthcare | 2.66% |
| 3 | Financials | 2.38% |
| 4 | Consumer Discretionary | 2.05% |
| 5 | Industrials | 2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
3001
Starwood Property Trust
STWD
$6.03B
| $11.7M | ﹤0.01% |
603,494
-357,324
| -37% | -$7.19M |
|
3002
CALL
BellRing Brands
BRBR
$1.25B
| $11.7M | ﹤0.01% |
321,500
-1,100
| -0.3% | -$49.7K |
|
3003
PUT
Medpace
MEDP
$16.1B
| $11.7M | ﹤0.01% |
22,700
+3,000
| +15% | +$1.31M |
|
3004
Universal Corp
UVV
$1.11B
| $11.7M | ﹤0.01% |
208,788
+134,201
| +180% | +$7.42M |
|
3005
PUT
Listed Funds Trust Roundhill Magnificent Seven ETF
MAGS
$4.19B
| $11.7M | ﹤0.01% |
179,800
+11,700
| +7% | +$699K |
|
|
CTRA
3006
PUT
DELISTED
Coterra Energy
CTRA
| $11.7M | ﹤0.01% |
493,100
+178,500
| +57% | +$4.31M |
|
3007
Mercury Systems
MRCY
$6.67B
| $11.7M | ﹤0.01% |
150,574
-146,403
| -49% | -$9.1M |
|
|
GRRR
3008
CALL
Gorilla Technology Group
GRRR
$454M
| $11.7M | ﹤0.01% |
631,200
+345,000
| +121% | +$6.34M |
|
3009
CALL
Boot Barn
BOOT
$4.95B
| $11.7M | ﹤0.01% |
70,300
-20,100
| -22% | -$3.46M |
|
3010
PUT
Applied Optoelectronics
AAOI
$12.7B
| $11.6M | ﹤0.01% |
448,700
+146,900
| +49% | +$3.76M |
|
3011
Public Service Enterprise Group
PEG
$37.9B
| $11.6M | ﹤0.01% |
+139,281
| New | +$11.7M |
|
3012
CALL
iShares Core S&P Small-Cap ETF
IJR
$114B
| $11.6M | ﹤0.01% |
97,700
+42,800
| +78% | +$4.92M |
|
3013
CALL
Quest Diagnostics
DGX
$25.9B
| $11.6M | ﹤0.01% |
60,900
-17,200
| -22% | -$3.05M |
|
3014
Gibraltar Industries
ROCK
$1.42B
| $11.6M | ﹤0.01% |
184,745
+70,955
| +62% | +$4.44M |
|
3015
RxSight
RXST
$287M
| $11.6M | ﹤0.01% |
1,290,144
+262,281
| +26% | +$2.3M |
|
3016
SolarEdge
SEDG
$1.99B
| $11.6M | ﹤0.01% |
313,390
+239,507
| +324% | +$7.15M |
|
3017
CALL
Plug Power
PLUG
$3.24B
| $11.6M | ﹤0.01% |
4,976,500
+1,026,200
| +26% | +$1.74M |
|
3018
American Homes 4 Rent
AMH
$12.3B
| $11.6M | ﹤0.01% |
+348,363
| New | +$12.1M |
|
3019
iShares ESG Aware MSCI EM ETF
ESGE
$6.84B
| $11.6M | ﹤0.01% |
266,635
+249,488
| +1,455% | +$10.2M |
|
3020
PUT
Kodiak Gas Services
KGS
$6.6B
| $11.6M | ﹤0.01% |
312,700
+172,600
| +123% | +$5.82M |
|
3021
Under Armour
UAA
$2.3B
| $11.6M | ﹤0.01% |
2,315,082
-3,138,964
| -58% | -$18.3M |
|
3022
CALL
Credit Acceptance
CACC
$6.1B
| $11.5M | ﹤0.01% |
24,700
-3,400
| -12% | -$1.7M |
|
3023
Allegion
ALLE
$14B
| $11.5M | ﹤0.01% |
+65,018
| New | +$10.7M |
|
3024
Vertical Aerospace
EVTL
$142M
| $11.5M | ﹤0.01% |
2,221,550
+862,708
| +63% | +$4.8M |
|
3025
PUT
NetApp
NTAP
$40.6B
| $11.5M | ﹤0.01% |
97,300
+26,000
| +36% | +$2.91M |
|
Similar funds
Ken Griffin's Q3 2025 Portfolio in Review
As of Q3 2025, Ken Griffin held 14,587 positions worth $657B, up 14% from $576B the previous quarter. Its ten largest holdings account for 25% of the portfolio.
Ken Griffin's Q3 2025 filing shows 2,292 new, 5,364 increased, 4,887 reduced and 1,963 closed positions. Its largest new stake was Permian Resources: 18,381,735 shares worth $235M. The largest sale was Hess, an estimated $1.24B.
By sector, the portfolio is most concentrated in Technology at 3.8% of assets, up from 3.3% a quarter earlier, followed by Healthcare and Financials.
- Ken Griffin's largest Q3 2025 buy was Permian Resources: 18,381,735 shares worth $235M.
- Ken Griffin added most to Meta Platforms (Facebook) in Q3 2025, an estimated $1.45B increase.
- Ken Griffin's biggest Q3 2025 reduction was McDonald's, cutting an estimated $707M.
- Ken Griffin fully exited Hess in Q3 2025, selling an estimated $1.24B.
- Ken Griffin's ten largest holdings make up 25% of its $657B portfolio in Q3 2025.
- Ken Griffin opened 2,292 new positions and closed 1,963 in Q3 2025.
- Ken Griffin's portfolio value rose 14% quarter-over-quarter to $657B.
Based on Citadel Advisors's 13F filing for Q3 2025, filed 14 Nov 2025.