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 | |
|---|---|---|---|---|---|---|
1151
PUT
Futu Holdings
FUTU
$14.7B
| $55.7M | 0.01% |
450,600
-103,100
| -19% | -$10.5M |
|
1152
Fortune Brands Innovations
FBIN
$5.71B
| $55.7M | 0.01% |
1,081,713
+997,587
| +1,186% | +$52.2M |
|
1153
CALL
Bank of Montreal
BMO
$129B
| $55.5M | 0.01% |
502,100
-9,000
| -2% | -$907K |
|
1154
Clean Harbors
CLH
$17B
| $55.5M | 0.01% |
240,240
+194,872
| +430% | +$42.7M |
|
1155
CALL
Expedia Group
EXPE
$39.5B
| $55.5M | 0.01% |
328,800
-229,100
| -41% | -$37.2M |
|
1156
Twist Bioscience
TWST
$7.67B
| $55.3M | 0.01% |
1,503,546
+432,280
| +40% | +$14.9M |
|
1157
Levi Strauss
LEVI
$8.61B
| $55.3M | 0.01% |
2,990,733
+1,593,316
| +114% | +$26.5M |
|
1158
PUT
Dutch Bros
BROS
$9.01B
| $55.3M | 0.01% |
808,500
-160,200
| -17% | -$10.4M |
|
1159
CALL
Xtrackers Harvest CSI 300 China A-Shares ETF
ASHR
$1.58B
| $55.2M | 0.01% |
2,004,000
-1,805,000
| -47% | -$47.6M |
|
1160
CALL
Transmedics
TMDX
$3.1B
| $54.9M | 0.01% |
409,900
+118,700
| +41% | +$13M |
|
1161
Rocket Lab Corp
RKLB
$52.3B
| $54.9M | 0.01% |
1,533,974
+1,004,629
| +190% | +$24.6M |
|
1162
Cousins Properties
CUZ
$4.94B
| $54.9M | 0.01% |
1,826,891
+969,716
| +113% | +$27.4M |
|
1163
CALL
iShares Biotechnology ETF
IBB
$9.66B
| $54.9M | 0.01% |
433,600
+137,700
| +47% | +$16.9M |
|
1164
CALL
Air Products & Chemicals
APD
$68B
| $54.8M | 0.01% |
194,200
+128,700
| +196% | +$35.2M |
|
1165
PUT
Progressive
PGR
$122B
| $54.5M | 0.01% |
204,300
+89,600
| +78% | +$24.6M |
|
1166
Stellantis
STLA
$20.2B
| $54.5M | 0.01% |
5,432,830
+4,960,390
| +1,050% | +$48.9M |
|
1167
PUT
ProShares Bitcoin Strategy ETF
BITO
$1.41B
| $54.5M | 0.01% |
2,531,800
+249,200
| +11% | +$5.14M |
|
1168
Revolution Medicines
RVMD
$42.9B
| $54.4M | 0.01% |
1,477,675
+1,344,608
| +1,010% | +$51.7M |
|
1169
Realty Income
O
$59.7B
| $54.2M | 0.01% |
940,284
-158,023
| -14% | -$8.94M |
|
1170
SiteOne Landscape Supply
SITE
$4.29B
| $54.2M | 0.01% |
447,827
+436,203
| +3,753% | +$51.5M |
|
1171
MGM Resorts International
MGM
$11.1B
| $54.1M | 0.01% |
1,573,474
+1,395,691
| +785% | +$44.3M |
|
1172
PUT
Zillow
Z
$8.03B
| $54.1M | 0.01% |
772,400
-108,800
| -12% | -$7.33M |
|
1173
CALL
Nice
NICE
$6.19B
| $54.1M | 0.01% |
320,200
-98,700
| -24% | -$15.9M |
|
1174
Wabtec
WAB
$50.1B
| $54.1M | 0.01% |
258,203
+94,442
| +58% | +$18.2M |
|
|
GLXY
1175
Galaxy Digital Inc
GLXY
$4.13B
| $53.7M | 0.01% |
+2,452,583
| New | +$49.8M |
|
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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.