13F Insight
DOSSIER · 13F Holders · Q2 2026

Ampercap Acquisition Co

12 institutions still hold Ampercap Acquisition Co as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G0344N107·12 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$39M
visible holders
Holders
12
filers reporting
Concentration
28.31%
ADAGE CAPITAL PARTNERS GP, L.L.C. #1
top holder share
AI Holders Summary · Q2 2026

12 institutions reported Ampercap Acquisition Co in Q2 2026. ADAGE CAPITAL PARTNERS GP, L.L.C. leads at 28.3% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
ADAGE CAPITAL PARTNERS GP, L.L.C.
CIK 0001165408
$11M1.1M0.02%Q2 202602
Sculptor Capital LP
CIK 0001054587
$10M1.0M0.08%Q2 202603
WOLVERINE ASSET MANAGEMENT LLC
CIK 0001279891
$7M712K0.06%Q2 202604
Polar Asset Management Partners Inc.
CIK 0001326389
$4M450K0.07%Q2 202605
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$2M227K0.00%Q2 202606
Verition Fund Management LLC
CIK 0001454027
$2M208K0.01%Q2 202607
DELTEC ASSET MANAGEMENT LLC
CIK 0001269950
$989K100K0.15%Q2 202608
StoneX Group Inc.
CIK 0000913760
$663K67K0.03%Q2 202609
HEIGHTS CAPITAL MANAGEMENT, INC
CIK 0001081698
$495K50K0.11%Q2 202610
CITADEL ADVISORS LLC
CIK 0001423053
$117K12K0.00%Q2 202611
HIGHBRIDGE CAPITAL MANAGEMENT LLC
CIK 0000919185
$10K1K0.00%Q2 202612
Clear Street Group Inc.
CIK 0001881567
$0176K0.00%Q2 2026