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 | |
|---|---|---|---|---|---|---|
1851
Eagle Materials
EXP
$6.4B
| $25.3M | ﹤0.01% |
124,964
+55,757
| +81% | +$12M |
|
1852
PUT
AstraZeneca
AZN
$243B
| $25.2M | ﹤0.01% |
180,650
+55,000
| +44% | +$7.71M |
|
1853
NOV
NOV
$7.54B
| $25.2M | ﹤0.01% |
2,027,371
+901,379
| +80% | +$11.4M |
|
1854
LGI Homes
LGIH
$1.39B
| $25.2M | ﹤0.01% |
489,056
+173,933
| +55% | +$9.52M |
|
1855
CALL
Franco-Nevada
FNV
$45.2B
| $25.2M | ﹤0.01% |
153,500
-88,900
| -37% | -$14.7M |
|
1856
RLI Corp
RLI
$5.85B
| $25.2M | ﹤0.01% |
348,330
+285,680
| +456% | +$21.4M |
|
1857
CALL
Global X Uranium ETF
URA
$6.27B
| $25.1M | ﹤0.01% |
647,900
-164,600
| -20% | -$4.78M |
|
1858
GeneDx Holdings
WGS
$2.33B
| $25.1M | ﹤0.01% |
272,227
+243,831
| +859% | +$19.1M |
|
1859
BOK Financial
BOKF
$8.88B
| $25.1M | ﹤0.01% |
257,315
-22,877
| -8% | -$2.15M |
|
1860
CALL
Paycom
PAYC
$9.83B
| $25.1M | ﹤0.01% |
108,400
+14,100
| +15% | +$3.34M |
|
1861
PUT
Maplebear
CART
$11.3B
| $25.1M | ﹤0.01% |
554,300
+96,700
| +21% | +$4.2M |
|
1862
CALL
Woodward
WWD
$21.9B
| $25.1M | ﹤0.01% |
102,300
+23,300
| +29% | +$4.77M |
|
1863
Steris
STE
$22.7B
| $25.1M | ﹤0.01% |
104,361
+102,399
| +5,219% | +$23.8M |
|
1864
CALL
CSX Corp
CSX
$92.9B
| $25.1M | ﹤0.01% |
767,700
-13,300
| -2% | -$400K |
|
|
KMTS
1865
Kestra Medical Technologies
KMTS
$1.64B
| $25M | ﹤0.01% |
1,508,298
+578,168
| +62% | +$12.6M |
|
1866
Amer Sports
AS
$19.1B
| $25M | ﹤0.01% |
645,170
+613,920
| +1,965% | +$18.9M |
|
1867
Cactus
WHD
$5.88B
| $25M | ﹤0.01% |
571,124
+381,867
| +202% | +$15.9M |
|
1868
PUT
iShares MSCI South Korea ETF
EWY
$27.8B
| $24.9M | ﹤0.01% |
347,200
+269,600
| +347% | +$16.2M |
|
1869
PUT
Nice
NICE
$5.99B
| $24.9M | ﹤0.01% |
147,300
-139,000
| -49% | -$22.4M |
|
1870
PUT
Parker-Hannifin
PH
$133B
| $24.9M | ﹤0.01% |
35,600
+12,200
| +52% | +$7.71M |
|
1871
CALL
Stanley Black & Decker
SWK
$15.4B
| $24.8M | ﹤0.01% |
366,700
+24,900
| +7% | +$1.61M |
|
1872
PUT
Bruker
BRKR
$8.79B
| $24.8M | ﹤0.01% |
602,600
+415,300
| +222% | +$16M |
|
1873
ACV Auctions
ACVA
$1.4B
| $24.8M | ﹤0.01% |
1,528,037
+1,240,645
| +432% | +$19.3M |
|
|
AHL
1874
DELISTED
Aspen Insurance
AHL
| $24.8M | ﹤0.01% |
+787,143
| New | +$26.2M |
|
1875
PUT
Hewlett Packard
HPE
$77.7B
| $24.8M | ﹤0.01% |
1,211,200
-319,700
| -21% | -$5.36M |
|
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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.