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 | |
|---|---|---|---|---|---|---|
2651
PUT
Petrobras
PBR
$115B
| $12.9M | ﹤0.01% |
1,034,800
-93,200
| -8% | -$1.12M |
|
2652
CALL
Group 1 Automotive
GPI
$3.15B
| $12.9M | ﹤0.01% |
29,600
-1,700
| -5% | -$713K |
|
2653
UFP Technologies
UFPT
$2.49B
| $12.9M | ﹤0.01% |
52,857
+14,042
| +36% | +$3.16M |
|
2654
CALL
Hyatt Hotels
H
$17.1B
| $12.9M | ﹤0.01% |
92,400
+16,100
| +21% | +$2.01M |
|
2655
Builders FirstSource
BLDR
$7.8B
| $12.9M | ﹤0.01% |
110,544
-348,523
| -76% | -$40.2M |
|
2656
Global Net Lease
GNL
$2.03B
| $12.9M | ﹤0.01% |
1,705,167
+1,572,421
| +1,185% | +$11.9M |
|
2657
PUT
Aptiv
APTV
$10.3B
| $12.9M | ﹤0.01% |
188,700
-56,200
| -23% | -$3.48M |
|
|
WBA
2658
CALL
DELISTED
Walgreens Boots Alliance
WBA
| $12.9M | ﹤0.01% |
1,120,900
-1,119,000
| -50% | -$12.5M |
|
2659
IPG Photonics
IPGP
$3.65B
| $12.9M | ﹤0.01% |
187,367
+125,765
| +204% | +$7.85M |
|
2660
PUT
Casey's General Stores
CASY
$31.3B
| $12.9M | ﹤0.01% |
25,200
+8,900
| +55% | +$4.1M |
|
2661
CALL
Vulcan Materials
VMC
$36.5B
| $12.9M | ﹤0.01% |
49,300
+28,500
| +137% | +$7.33M |
|
|
VOYG
2662
Voyager Technologies
VOYG
$2.6B
| $12.9M | ﹤0.01% |
+327,526
| New | +$15.6M |
|
2663
Vertex Pharmaceuticals
VRTX
$128B
| $12.8M | ﹤0.01% |
28,827
+23,808
| +474% | +$11M |
|
2664
STMicroelectronics
STM
$48.5B
| $12.8M | ﹤0.01% |
421,726
-1,507,320
| -78% | -$37.4M |
|
2665
Kemper
KMPR
$1.62B
| $12.8M | ﹤0.01% |
+198,692
| New | +$12.3M |
|
|
FYBR
2666
DELISTED
Frontier Communications
FYBR
| $12.8M | ﹤0.01% |
352,203
-4,405,955
| -93% | -$160M |
|
2667
PUT
Alnylam Pharmaceuticals
ALNY
$30.6B
| $12.8M | ﹤0.01% |
39,300
-12,300
| -24% | -$3.4M |
|
2668
Zai Lab
ZLAB
$2.91B
| $12.8M | ﹤0.01% |
366,213
-16,256
| -4% | -$534K |
|
2669
CALL
EPAM Systems
EPAM
$5.18B
| $12.8M | ﹤0.01% |
72,300
-8,300
| -10% | -$1.39M |
|
2670
CALL
Aon
AON
$75.5B
| $12.8M | ﹤0.01% |
35,800
-66,100
| -65% | -$23.9M |
|
2671
PUT
Clean Harbors
CLH
$17B
| $12.8M | ﹤0.01% |
55,200
-4,600
| -8% | -$1.01M |
|
2672
PUT
Redwire
RDW
$3.39B
| $12.8M | ﹤0.01% |
782,500
+560,600
| +253% | +$7.3M |
|
2673
iShares Future Exponential Technologies ETF
XT
$3.99B
| $12.7M | ﹤0.01% |
195,373
+191,874
| +5,484% | +$11.4M |
|
2674
Crane Co
CR
$12.6B
| $12.7M | ﹤0.01% |
67,083
+66,990
| +72,032% | +$11.1M |
|
2675
Okta
OKTA
$25.6B
| $12.7M | ﹤0.01% |
127,373
-723,230
| -85% | -$77.2M |
|
Similar funds
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.