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 | |
|---|---|---|---|---|---|---|
11426
Brilliant Earth
BRLT
$22.5M
| $83.2K | ﹤0.01% |
60,764
+39,834
| +190% | +$57.7K |
|
|
FOCL
11427
EDAP TMS S.A.
FOCL
$178M
| $83K | ﹤0.01% |
50,621
-35,498
| -41% | -$63.9K |
|
11428
PUT
Tango Therapeutics
TNGX
$4.32B
| $82.9K | ﹤0.01% |
+16,200
| New | +$40.1K |
|
11429
IGC Pharma
IGC
$31.1M
| $82.9K | ﹤0.01% |
270,966
+176,495
| +187% | +$53K |
|
11430
MDxHealth
MDXH
$41.5M
| $82.8K | ﹤0.01% |
+37,482
| New | +$70.3K |
|
11431
CALL
Magnachip Semiconductor
MX
$139M
| $82.8K | ﹤0.01% |
20,800
+18,800
| +940% | +$65.3K |
|
|
XCH
11432
XCHG Ltd
XCH
$22.6M
| $82.5K | ﹤0.01% |
+62,017
| New | +$81.1K |
|
11433
PUT
ProPetro Holding
PUMP
$1.49B
| $82.4K | ﹤0.01% |
13,800
+5,700
| +70% | +$32.6K |
|
|
ADGM
11434
Adagio Medical Holdings
ADGM
$15.4M
| $82.3K | ﹤0.01% |
60,947
+32,070
| +111% | +$36.5K |
|
|
MASK
11435
3 E Network Technology Group
MASK
$4.88M
| $82.1K | ﹤0.01% |
1,487
-676
| -31% | -$56.7K |
|
11436
PUT
Eledon Pharmaceuticals
ELDN
$288M
| $82.1K | ﹤0.01% |
30,300
-15,500
| -34% | -$46.5K |
|
|
WPRT
11437
CALL
Westport Fuel Systems
WPRT
$33.4M
| $82.1K | ﹤0.01% |
26,400
+600
| +2% | +$1.74K |
|
|
RPT
11438
CALL
Rithm Property Trust
RPT
$104M
| $82.1K | ﹤0.01% |
5,067
+3,017
| +147% | +$49.1K |
|
11439
IZEA Worldwide
IZEA
$53.5M
| $82K | ﹤0.01% |
32,555
+31,555
| +3,156% | +$74.8K |
|
11440
CALL
Hafnia
HAFN
$3.87B
| $81.8K | ﹤0.01% |
16,400
+7,200
| +78% | +$35K |
|
|
BZUN
11441
PUT
Baozun
BZUN
$165M
| $81.8K | ﹤0.01% |
32,700
+13,200
| +68% | +$36.5K |
|
|
GCV
11442
Gabelli Convertible and Income Securities Fund
GCV
$95.9M
| $81.7K | ﹤0.01% |
21,322
-88
| -0.4% | -$319 |
|
11443
CALL
Prospect Capital
PSEC
$1.15B
| $81.4K | ﹤0.01% |
25,600
-30,900
| -55% | -$107K |
|
11444
CALL
Allogene Therapeutics
ALLO
$708M
| $81.4K | ﹤0.01% |
72,000
-2,400
| -3% | -$3.19K |
|
11445
CALL
Amtech Systems
ASYS
$281M
| $81.3K | ﹤0.01% |
18,300
+17,200
| +1,564% | +$67.2K |
|
11446
CALL
Identive
INVE
$64.2M
| $81.2K | ﹤0.01% |
24,900
+21,400
| +611% | +$68.7K |
|
11447
CALL
PDS Biotechnology
PDSB
$12.9M
| $81.1K | ﹤0.01% |
61,000
-6,900
| -10% | -$9.37K |
|
11448
CALL
Playboy Inc
PLBY
$151M
| $81K | ﹤0.01% |
50,000
+32,800
| +191% | +$42.2K |
|
11449
CALL
Clean Energy Fuels
CLNE
$403M
| $80.7K | ﹤0.01% |
41,400
+10,200
| +33% | +$17.4K |
|
11450
PUT
SelectQuote
SLQT
$129M
| $80.7K | ﹤0.01% |
33,900
-46,000
| -58% | -$121K |
|
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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.