13F Insight
DOSSIER · 13F Holders · Q1 2026

COPLEY ACQUISITION CORP

41 institutions still hold COPLEY ACQUISITION CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G24243100·41 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$143M
visible holders
Holders
41
filers reporting
Concentration
10.97%
Karpus Management, Inc. #1
top holder share
AI Holders Summary · Q1 2026

41 institutions reported COPLEY ACQUISITION CORP in Q1 2026. Karpus Management, Inc. leads at 11.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Karpus Management, Inc.
CIK 0001048703
$16M1.5M0.49%Q1 202602
MIZUHO SECURITIES USA LLC
CIK 0000812291
$14M1.3M0.13%Q2 202603
ARISTEIA CAPITAL, L.L.C.
CIK 0001080171
$11M1.1M0.15%Q2 202604
BERKLEY W R CORP
CIK 0000011544
$11M1.1M0.52%Q2 202605
HIGHBRIDGE CAPITAL MANAGEMENT LLC
CIK 0000919185
$11M1.0M0.26%Q2 202606
Westchester Capital Management, LLC
CIK 0001512805
$9M861K0.44%Q2 202607
Polar Asset Management Partners Inc.
CIK 0001326389
$8M750K0.13%Q2 202608
TENOR CAPITAL MANAGEMENT Co., L.P.
CIK 0001346554
$8M750K0.11%Q2 202609
AQR Arbitrage LLC
CIK 0001167456
$6M613K0.13%Q4 202510
D. E. Shaw & Co., Inc.
CIK 0001009207
$6M600K0.00%Q4 202511
GLAZER CAPITAL, LLC
CIK 0001076809
$6M590K0.13%Q1 202612
Radcliffe Capital Management, L.P.
CIK 0001218275
$6M573K0.45%Q2 202613
Hudson Bay Capital Management LP
CIK 0001393825
$5M500K0.01%Q2 202614
MANGROVE PARTNERS IM, LLC
CIK 0001535392
$5M450K0.31%Q2 202615
WOLVERINE ASSET MANAGEMENT LLC
CIK 0001279891
$4M409K0.04%Q2 202616
RIVERNORTH CAPITAL MANAGEMENT, LLC
CIK 0001447578
$4M400K0.21%Q1 202617
Verition Fund Management LLC
CIK 0001454027
$4M349K0.02%Q2 202618
PERISCOPE CAPITAL INC.
CIK 0001695320
$3M325K0.30%Q2 202619
HEIGHTS CAPITAL MANAGEMENT, INC
CIK 0001081698
$3M300K0.72%Q2 202620
WHITEBOX ADVISORS LLC
CIK 0001257391
$3M300K0.04%Q2 2026
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