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 | |
|---|---|---|---|---|---|---|
3101
CALL
Semtech
SMTC
$13.1B
| $11M | ﹤0.01% |
153,800
-17,300
| -10% | -$939K |
|
3102
CALL
Tower Semiconductor
TSEM
$30B
| $11M | ﹤0.01% |
151,900
-122,000
| -45% | -$6.66M |
|
3103
PUT
Steel Dynamics
STLD
$36.7B
| $11M | ﹤0.01% |
78,700
-71,000
| -47% | -$9.32M |
|
3104
Arrowhead Research
ARWR
$12.2B
| $11M | ﹤0.01% |
317,614
+255,369
| +410% | +$5.61M |
|
|
SERV
3105
CALL
Serve Robotics
SERV
$433M
| $10.9M | ﹤0.01% |
941,500
+505,500
| +116% | +$5.54M |
|
3106
PUT
Canadian National Railway
CNI
$76.7B
| $10.9M | ﹤0.01% |
116,000
+63,900
| +123% | +$6.17M |
|
3107
PUT
Fiverr
FVRR
$324M
| $10.9M | ﹤0.01% |
448,100
+336,900
| +303% | +$8.25M |
|
3108
CALL
Service Corp International
SCI
$11.5B
| $10.9M | ﹤0.01% |
131,200
+108,000
| +466% | +$8.62M |
|
|
SRDX
3109
DELISTED
Surmodics
SRDX
| $10.9M | ﹤0.01% |
365,110
+302,757
| +486% | +$10.1M |
|
3110
iShares Expanded Tech-Software Sector ETF
IGV
$14.9B
| $10.9M | ﹤0.01% |
94,790
+64,642
| +214% | +$7.16M |
|
|
VTLE
3111
PUT
DELISTED
Vital Energy
VTLE
| $10.9M | ﹤0.01% |
644,000
+237,600
| +58% | +$4.01M |
|
3112
Diageo
DEO
$53.1B
| $10.9M | ﹤0.01% |
113,918
-169,315
| -60% | -$17.8M |
|
3113
CALL
Brookfield
BN
$107B
| $10.9M | ﹤0.01% |
237,600
+20,550
| +9% | +$911K |
|
3114
Solana Company
HSDT
$99.3M
| $10.9M | ﹤0.01% |
+728,857
| New | +$6.68M |
|
|
WCMI
3115
First Trust WCM International Equity ETF
WCMI
$1.85B
| $10.8M | ﹤0.01% |
642,246
+598,346
| +1,363% | +$9.51M |
|
3116
CRISPR Therapeutics
CRSP
$5.18B
| $10.8M | ﹤0.01% |
167,101
+148,223
| +785% | +$8.51M |
|
3117
CALL
Huntington Ingalls Industries
HII
$12.9B
| $10.8M | ﹤0.01% |
37,600
-22,300
| -37% | -$5.94M |
|
3118
PUT
Mettler-Toledo International
MTD
$28.4B
| $10.8M | ﹤0.01% |
8,800
-2,800
| -24% | -$3.51M |
|
3119
Haemonetics
HAE
$4.13B
| $10.8M | ﹤0.01% |
221,428
-31,205
| -12% | -$1.93M |
|
3120
Occidental Petroleum
OXY
$58.3B
| $10.8M | ﹤0.01% |
227,988
+212,140
| +1,339% | +$9.59M |
|
3121
International Paper
IP
$21.6B
| $10.8M | ﹤0.01% |
+232,120
| New | +$11.3M |
|
3122
Mine Safety
MSA
$7.3B
| $10.8M | ﹤0.01% |
+62,545
| New | +$10.8M |
|
3123
PUT
Direxion Daily 20+ Year Treasury Bull 3X ETF
TMF
$2.12B
| $10.8M | ﹤0.01% |
267,820
+193,410
| +260% | +$7.41M |
|
3124
CALL
Sprouts Farmers Market
SFM
$7.69B
| $10.7M | ﹤0.01% |
98,800
+9,800
| +11% | +$1.43M |
|
3125
Aurora
AUR
$13.7B
| $10.7M | ﹤0.01% |
1,993,820
+913,963
| +85% | +$5.36M |
|
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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.