FREMONT, CA
ACM RESEARCH, INC.ACMR— Latest position per institution from SEC 13F filings
15
Institutional holders
45.47M
Total shares held
4.05B
Estimated value
2.27M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
8.66M
Value
1.10B
Filed
Jun 30, 2026
VANGUARD GROUP INC
CIK 102909
Shares
4.97M
Value
196.15M
Filed
Dec 31, 2025
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
4.07M
Value
93.87M
Filed
Jun 30, 2024
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
3.35M
Value
425.01M
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.46M
Value
312.50M
Filed
Jun 30, 2026
CAPITAL WORLD INVESTORS
CIK 1422849
Shares
2.40M
Value
304.29M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
2.19M
Value
277.67M
Filed
Jun 30, 2026
ARIOSE CAPITAL MANAGEMENT LTD
CIK 1665925
Shares
1.98M
Value
38.70M
Filed
Dec 31, 2023
TRIATA CAPITAL LTD
CIK 2014039
Shares
1.93M
Value
76.14M
Filed
Dec 31, 2025
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.49M
Value
188.82M
Filed
Jun 30, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
1.45M
Value
183.83M
Filed
Jun 30, 2026
PANVIEW CAPITAL LTD
CIK 2035224
Shares
1.37M
Value
20.76M
Filed
Dec 31, 2024
TIDAL INVESTMENTS LLC
CIK 1600064
Shares
1.37M
Value
174.39M
Filed
Jun 30, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
1.20M
Value
151.87M
Filed
Jun 30, 2026
INVESCO LTD.
CIK 914208
Shares
1.17M
Value
148.47M
Filed
Jun 30, 2026
PANVIEW ASIAN EQUITY MASTER FUND
CIK 1797217
Shares
1.17M
Value
23.69M
Filed
Sep 30, 2024
JANUS HENDERSON GROUP LTD.
CIK 1274173
Shares
1.09M
Value
42.70M
Filed
Mar 31, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
1.07M
Value
136.37M
Filed
Jun 30, 2026
VALUE ALIGNED RESEARCH ADVISORS, LLC
CIK 1963565
Shares
1.05M
Value
133.75M
Filed
Jun 30, 2026
PERTENTO PARTNERS LLP
CIK 1894571
Shares
1.02M
Value
26.54M
Filed
Jun 30, 2025
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 8.66M | 1.10B | Jun 30, 2026 |
| 2 | VANGUARD GROUP INC | 102909 | 4.97M | 196.15M | Dec 31, 2025 |
| 3 | BLACKROCK FINANCE, INC. | 1364742 | 4.07M | 93.87M | Jun 30, 2024 |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 3.35M | 425.01M | Jun 30, 2026 |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.46M | 312.50M | Jun 30, 2026 |
| 6 | CAPITAL WORLD INVESTORS | 1422849 | 2.40M | 304.29M | Jun 30, 2026 |
| 7 | STATE STREET CORP | 93751 | 2.19M | 277.67M | Jun 30, 2026 |
| 8 | ARIOSE CAPITAL MANAGEMENT LTD | 1665925 | 1.98M | 38.70M | Dec 31, 2023 |
| 9 | TRIATA CAPITAL LTD | 2014039 | 1.93M | 76.14M | Dec 31, 2025 |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.49M | 188.82M | Jun 30, 2026 |
| 11 | JANE STREET GROUP, LLC | 1595888 | 1.45M | 183.83M | Jun 30, 2026 |
| 12 | PANVIEW CAPITAL LTD | 2035224 | 1.37M | 20.76M | Dec 31, 2024 |
| 13 | TIDAL INVESTMENTS LLC | 1600064 | 1.37M | 174.39M | Jun 30, 2026 |
| 14 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 1.20M | 151.87M | Jun 30, 2026 |
| 15 | INVESCO LTD. | 914208 | 1.17M | 148.47M | Jun 30, 2026 |
| 16 | PANVIEW ASIAN EQUITY MASTER FUND | 1797217 | 1.17M | 23.69M | Sep 30, 2024 |
| 17 | JANUS HENDERSON GROUP LTD. | 1274173 | 1.09M | 42.70M | Mar 31, 2026 |
| 18 | CITADEL ADVISORS LLC | 1423053 | 1.07M | 136.37M | Jun 30, 2026 |
| 19 | VALUE ALIGNED RESEARCH ADVISORS, LLC | 1963565 | 1.05M | 133.75M | Jun 30, 2026 |
| 20 | PERTENTO PARTNERS LLP | 1894571 | 1.02M | 26.54M | Jun 30, 2025 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.