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 | |
|---|---|---|---|---|---|---|
2826
Heritage Insurance Holdings
HRTG
$1.01B
| $11.3M | ﹤0.01% |
451,915
+195,706
| +76% | +$4.18M |
|
2827
Arhaus
ARHS
$1.39B
| $11.3M | ﹤0.01% |
1,299,637
-184,523
| -12% | -$1.54M |
|
|
BULL
2828
CALL
Webull Corp
BULL
$4.28B
| $11.3M | ﹤0.01% |
+941,900
| New | +$14.6M |
|
2829
Atmos Energy
ATO
$28.7B
| $11.3M | ﹤0.01% |
73,075
-285,866
| -80% | -$44.4M |
|
2830
CALL
Sterling Infrastructure
STRL
$17.6B
| $11.3M | ﹤0.01% |
48,800
-7,100
| -13% | -$1.24M |
|
2831
PUT
Baxter International
BAX
$13.8B
| $11.3M | ﹤0.01% |
371,600
-187,800
| -34% | -$5.69M |
|
2832
Atlas Energy Solutions
AESI
$1.56B
| $11.2M | ﹤0.01% |
841,382
-573,603
| -41% | -$7.83M |
|
2833
CALL
Acuity Brands
AYI
$10.7B
| $11.2M | ﹤0.01% |
37,700
-2,900
| -7% | -$751K |
|
2834
PUT
International Flavors & Fragrances
IFF
$21.5B
| $11.2M | ﹤0.01% |
152,700
-8,000
| -5% | -$604K |
|
2835
Teradata
TDC
$2.57B
| $11.2M | ﹤0.01% |
503,208
-118,725
| -19% | -$2.58M |
|
2836
CALL
TD Synnex
SNX
$20.7B
| $11.2M | ﹤0.01% |
82,700
+52,800
| +177% | +$6.2M |
|
2837
CALL
W.P. Carey
WPC
$16.3B
| $11.2M | ﹤0.01% |
179,800
-600
| -0.3% | -$36.9K |
|
2838
Madison Square Garden
MSGS
$9.8B
| $11.2M | ﹤0.01% |
53,625
+22,745
| +74% | +$4.38M |
|
2839
CALL
Kenvue
KVUE
$36.9B
| $11.2M | ﹤0.01% |
535,300
-613,000
| -53% | -$13.9M |
|
|
HOLX
2840
PUT
DELISTED
Hologic
HOLX
| $11.2M | ﹤0.01% |
171,500
+136,300
| +387% | +$8.17M |
|
2841
Buckle
BKE
$2.27B
| $11.2M | ﹤0.01% |
246,322
-274,596
| -53% | -$10.9M |
|
|
AEVA
2842
PUT
Aeva Technologies
AEVA
$1.62B
| $11.2M | ﹤0.01% |
295,300
+275,500
| +1,391% | +$4.19M |
|
2843
PUT
Argan
AGX
$8.11B
| $11.2M | ﹤0.01% |
50,600
+1,700
| +3% | +$306K |
|
2844
PUT
Ameriprise Financial
AMP
$50.3B
| $11.2M | ﹤0.01% |
20,900
-5,200
| -20% | -$2.57M |
|
2845
CALL
Calumet Specialty Products
CLMT
$4.19B
| $11.2M | ﹤0.01% |
707,900
+132,300
| +23% | +$1.68M |
|
2846
MPLX
MPLX
$60.3B
| $11.1M | ﹤0.01% |
216,419
-285,555
| -57% | -$14.5M |
|
2847
CALL
Dover
DOV
$27.9B
| $11.1M | ﹤0.01% |
60,800
+26,200
| +76% | +$4.56M |
|
2848
SL Green Realty
SLG
$3.97B
| $11.1M | ﹤0.01% |
179,812
-19,699
| -10% | -$1.13M |
|
2849
PUT
Harley-Davidson
HOG
$2.89B
| $11.1M | ﹤0.01% |
471,600
-5,700
| -1% | -$135K |
|
2850
Vestis
VSTS
$1.76B
| $11.1M | ﹤0.01% |
1,942,310
+1,183,465
| +156% | +$8.31M |
|
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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.