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Which hedge funds own ACMR? ACM RESEARCH INC, Q2 2026 13F holders

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53 tracked hedge funds disclosed a position in ACMR (ACM RESEARCH INC) in their Q2 2026 13F filings, worth $1.0bn in total. The largest holder by portfolio weight is Cederberg Capital Ltd at 32.2% of its book. 27 opened a new position this quarter: WFM ASIA (BVI) Ltd, MY.Alpha Management HK Advisors Ltd, BRIGHT VALLEY CAPITAL Ltd, Kultura Capital Management LP. 11 exited: Oxbow Capital Management (HK) Ltd, IQ EQ FUND MANAGEMENT (SINGAPORE) PRIVATE Ltd, Capelight Capital Asset Management LP.

53
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
27
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
11
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$211m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$35.6m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$1.0bn
Combined value
Sum of the holders' reported positions in the security.
4.3%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

53 rows
Cederberg Capital Ltd Hedge fund32.2%$32.3m254,669−57%reduced
Tekne Capital Management, LLC Hedge fund30.6%$93.6m737,500+3.1%added
Polunin Capital Partners Ltd Hedge fund18.9%$77.1m748,498−1.9%reduced
WFM ASIA (BVI) Ltd Hedge fund18.6%$123m969,200–new
MY.Alpha Management HK Advisors Ltd Hedge fund12.2%$31.7m249,500–new
Wexford Capital LP Hedge fund6.2%$45.1m355,400−41%reduced
12 West Capital Management LP Hedge fund5.3%$28.6m225,000+3589%added
Steamboat Capital Partners, LLC Hedge fund5.0%$23.2m182,773−18%reduced
BRIGHT VALLEY CAPITAL Ltd Hedge fund4.3%$15.0m118,000–new
Horiko Capital Management LLC Hedge fund2.4%$13.5m106,628+62%added
Kultura Capital Management LP Hedge fund2.2%$4.8m37,725–new
Kerrisdale Advisers, LLC Hedge fund2.0%$7.9m62,570−72%reduced
Intrinsic Edge Capital Management LLC Hedge fund1.3%$10.2m80,0000.0%held
Aperture Investors, LLC Hedge fund1.0%$9.0m70,569+245%added
FACT Capital, LP Hedge fund0.9%$1.7m13,217–new
Southeastern Asset Management (Mason Hawkins) Long-only investor0.9%$17.7m139,478−82%reduced
Teza Capital Management LLC Hedge fund0.9%$476k3,754–new
Value Aligned Research Advisors, LLC Hedge fund0.8%$134m1.05m+10%added
Atika Capital Management LLC Hedge fund0.8%$8.0m63,000–new
Telligent Fund, LP Hedge fund0.4%$508k4,000–new
FNY Investment Advisers, LLC Hedge fund0.3%$888k7,000–new
CenterBook Partners LP Hedge fund0.3%$5.3m41,438–new
Diametric Capital, LP Hedge fund0.2%$2.1m16,808+96%added
WCM Investment Management Long-only investor0.2%$109m917,651−51%reduced
Corsair Capital Management, L.P. Hedge fund0.1%$1.0m8,000–new
Aquatic Capital Management LLC Hedge fund0.07%$2.1m16,800–new
Soros Fund Management Family office0.05%$3.8m30,122–new
Bayforest Capital Ltd Hedge fund0.05%$51.3k404–new
Citadel Advisors LLC Hedge fund0.05%$80.8m636,836+213%added
Voleon Capital Management LP Hedge fund0.04%$2.2m17,625–new
Renaissance Technologies LLC Hedge fund0.04%$29.2m229,800+87%added
Qube Research & Technologies Ltd Hedge fund0.04%$35.5m280,015−61%reduced
Prelude Capital Management, LLC Hedge fund0.03%$426k3,355−60%reduced
Catalyst Funds Management Pty Ltd Hedge fund0.03%$533k4,200−80%reduced
Dark Forest Capital Management LP Hedge fund0.03%$464k3,657–new
Twin Tree Management, LP Hedge fund0.03%$186k1,467–new
Persistent Asset Partners Ltd Hedge fund0.02%$72.7k573–new
Two Sigma Investments, LP Hedge fund0.02%$27.0m212,544+305%added
Ramsey Quantitative Systems Hedge fund0.02%$21.6k170–new
Capital Fund Management S.A. Hedge fund0.02%$2.6m20,437–new
Jain Global LLC Hedge fund0.02%$1.5m12,106–new
Graham Capital Management, L.P. Hedge fund0.02%$571k4,500–new
AQR Capital Management LLC Hedge fund0.01%$39.9m314,172−2.9%reduced
Millennium Management LLC Hedge fund0.01%$17.8m140,501+114%added
Entropy Technologies, LP Hedge fund0.01%$262k2,068–new
Maverick Capital Ltd Hedge fund0.01%$674k5,315–new
Engineers Gate Manager LP Hedge fund0.0%$318k2,505−94%reduced
D. E. Shaw & Co., Inc. Hedge fund0.0%$4.3m33,500–new
Quantbot Technologies LP Hedge fund0.0%$66.4k523–new
Walleye Capital LLC Hedge fund0.0%$275k2,167+149%added