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CITADEL ADVISORS LLC

Position in ACMR — ACM Research, Inc.

CIK 1423053 MIAMI, FL

Position in ACMR

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$80,808,119
+$72,805,196 QoQ
Shares Held
636,836
+213.1% QoQ
Ownership
0.914%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#18
of 376 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in ACMR Over Time

Shares Held

Position Value (USD)

Derivatives in ACMR

reported options exposure · as of Jun 30, 2026
CallValue
$35,376,932
CallShares
278,800
PutValue
$20,188,199
PutShares
159,100

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Semiconductor Equipment & Materials

Technology · as of Jun 30, 2026

CITADEL ADVISORS LLC holds $3,316,848,873 across 26 Semiconductor Equipment & Materials names. ACMR ranks #9 (2.4% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in ACMR

Export CSV
50 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $35,376,932 278,800
2026-06-30 $80,808,119 636,836
2026-06-30 $20,188,199 159,100
2026-03-31 $8,002,923 203,378
2026-03-31 $2,738,760 69,600
2026-03-31 $11,136,050 283,000
2025-12-31 $11,827,110 299,800
2025-12-31 $5,642,217 143,022
2025-12-31 $7,444,215 188,700
2025-09-30 $15,455,136 394,969
2025-09-30 $6,213,844 158,800
2025-09-30 $16,595,033 424,100
2025-06-30 $5,284,221 204,024
2025-06-30 $8,508,150 328,500
2025-06-30 $5,835,270 225,300
2025-03-31 $5,914,356 253,400
2025-03-31 $5,849,004 250,600
2025-03-31 $10,576,310 453,141
2024-12-31 $3,106,070 205,700
2024-12-31 $5,371,689 355,741
2024-12-31 $2,559,450 169,500
2024-09-30 $3,375,890 166,300
2024-09-30 $9,857,983 485,615
2024-09-30 $5,129,810 252,700
2024-06-30 $15,834,678 686,673
2024-06-30 $5,458,302 236,700
2024-06-30 $5,262,292 228,200
2024-03-31 $8,153,983 279,821
2024-03-31 $3,438,520 118,000
2024-03-31 $3,336,530 114,500
2023-12-31 $1,793,772 91,800
2023-12-31 $1,914,782 97,993
2023-12-31 $1,911,012 97,800
2023-09-30 $1,180,446 65,200
2023-09-30 $1,544,356 85,300
2023-09-30 $2,726,450 150,591
2023-06-30 $776,952 59,400
2023-06-30 $487,884 37,300
2023-06-30 $4,030,301 308,127
2023-03-31 $10,072,869 860,929
2023-03-31 $694,980 59,400
2023-03-31 $595,530 50,900
2022-12-31 $293,751 38,100
2022-12-31 $2,663,056 345,403
2022-12-31 $471,852 61,200
2022-09-30 $300,286 24,100
2022-09-30 $576,898 46,300
2022-09-30 $924,992 74,237
2022-06-30 $844,866 50,200
2022-06-30 $350,064 20,800