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 |
NVIDIA
NVDA
|
+$820M |
| 2 |
Microsoft
MSFT
|
+$811M |
| 3 |
McDonald's
MCD
|
+$804M |
| 4 |
Coca-Cola
KO
|
+$655M |
| 5 |
Amazon
AMZN
|
+$646M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
SCHW
Charles Schwab
SCHW
|
+$1.64B |
| 2 |
Invesco QQQ Trust
QQQ
|
+$1.1B |
| 3 |
Strategy Inc
MSTR
|
+$564M |
| 4 |
Kroger
KR
|
+$558M |
| 5 |
Danaher
DHR
|
+$494M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 3.33% |
| 2 | Healthcare | 3.23% |
| 3 | Consumer Discretionary | 2.55% |
| 4 | Financials | 2.55% |
| 5 | Industrials | 1.94% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
1726
CALL
Rockwell Automation
ROK
$49.9B
| $28.2M | ﹤0.01% |
84,900
+54,200
| +177% | +$15.4M |
|
1727
PUT
NIO
NIO
$11.3B
| $28.2M | ﹤0.01% |
8,215,800
+1,067,400
| +15% | +$3.98M |
|
1728
West Pharmaceutical
WST
$24.6B
| $28.2M | ﹤0.01% |
128,786
-151,941
| -54% | -$32.5M |
|
1729
CALL
Snap
SNAP
$9.15B
| $28.2M | ﹤0.01% |
3,239,400
-3,832,900
| -54% | -$31.8M |
|
1730
CALL
HSBC
HSBC
$357B
| $28.1M | ﹤0.01% |
462,700
+417,800
| +931% | +$23.8M |
|
1731
CALL
Generac Holdings
GNRC
$12.9B
| $28.1M | ﹤0.01% |
196,400
-11,300
| -5% | -$1.38M |
|
1732
PUT
Jabil
JBL
$38B
| $28M | ﹤0.01% |
128,600
-11,800
| -8% | -$1.91M |
|
1733
Bilibili
BILI
$7.3B
| $28M | ﹤0.01% |
1,306,263
+371,172
| +40% | +$6.83M |
|
1734
Gold Fields
GFI
$36B
| $28M | ﹤0.01% |
1,182,843
+803,077
| +211% | +$18.5M |
|
1735
CALL
Samsara
IOT
$23.2B
| $28M | ﹤0.01% |
703,800
-257,900
| -27% | -$10.7M |
|
|
LNW
1736
DELISTED
Light & Wonder
LNW
| $28M | ﹤0.01% |
290,392
+162,326
| +127% | +$13.9M |
|
1737
Allison Transmission
ALSN
$10.4B
| $27.9M | ﹤0.01% |
293,546
+138,308
| +89% | +$13.4M |
|
|
1738
PUT
HSBC
HSBC
$357B
| $27.9M | ﹤0.01% |
458,600
+289,800
| +172% | +$16.5M |
|
1739
PUT
Bath & Body Works
BBWI
$3.91B
| $27.9M | ﹤0.01% |
930,200
+366,900
| +65% | +$10.7M |
|
1740
CALL
ProShares Bitcoin Strategy ETF
BITO
$1.42B
| $27.9M | ﹤0.01% |
1,295,500
-240,200
| -16% | -$4.95M |
|
1741
PUT
US Bancorp
USB
$102B
| $27.8M | ﹤0.01% |
615,300
-264,200
| -30% | -$11.1M |
|
1742
PUT
Galicia Financial Group
GGAL
$6.97B
| $27.8M | ﹤0.01% |
551,500
+210,500
| +62% | +$12.1M |
|
1743
CALL
Antero Resources
AR
$11.5B
| $27.8M | ﹤0.01% |
689,600
-468,100
| -40% | -$17.7M |
|
1744
PUT
Williams Companies
WMB
$92B
| $27.8M | ﹤0.01% |
442,200
-76,900
| -15% | -$4.54M |
|
1745
PUT
Tenet Healthcare
THC
$21.6B
| $27.8M | ﹤0.01% |
157,700
-67,900
| -30% | -$10.2M |
|
1746
CALL
BP
BP
$110B
| $27.7M | ﹤0.01% |
924,700
-861,700
| -48% | -$25.3M |
|
1747
Reddit
RDDT
$34.3B
| $27.7M | ﹤0.01% |
183,763
-138,704
| -43% | -$15.7M |
|
1748
AES
AES
$10.5B
| $27.6M | ﹤0.01% |
2,628,142
-2,534,112
| -49% | -$27.1M |
|
1749
Tenable Holdings
TENB
$4.22B
| $27.6M | ﹤0.01% |
818,224
+735,328
| +887% | +$23.9M |
|
1750
PUT
VeriSign
VRSN
$25.7B
| $27.6M | ﹤0.01% |
95,700
-1,900
| -2% | -$515K |
|
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Ken Griffin's Q2 2025 Portfolio in Review
As of Q2 2025, Ken Griffin held 15,819 positions worth $576B, up 9.2% from $527B the previous quarter. Its ten largest holdings account for 27% of the portfolio.
Ken Griffin withdrew a net $29.1B in Q2 2025, closing 3,524 positions and reducing 5,141 holdings. Its most notable exit was Kroger, an estimated $558M position sold in full.
By sector, the portfolio is most concentrated in Technology at 3.3% of assets, up from 2.9% a quarter earlier, followed by Healthcare and Consumer Discretionary.
Against the trend, Ken Griffin opened a new position in Walmart Inc worth $401M.
- Ken Griffin's largest Q2 2025 buy was Walmart Inc: 4,099,492 shares worth $401M.
- Ken Griffin added most to NVIDIA in Q2 2025, an estimated $820M increase.
- Ken Griffin's biggest Q2 2025 reduction was Charles Schwab, cutting an estimated $1.64B.
- Ken Griffin fully exited Kroger in Q2 2025, selling an estimated $558M.
- Ken Griffin's ten largest holdings make up 27% of its $576B portfolio in Q2 2025.
- Ken Griffin opened 1,459 new positions and closed 3,524 in Q2 2025.
- Ken Griffin's portfolio value rose 9.2% quarter-over-quarter to $576B.
Based on Citadel Advisors's 13F filing for Q2 2025, filed 14 Aug 2025.