13F Insight
DOSSIER · 13F Holders · Q2 2026

KEYSTONE ACQUISITION CORP

19 institutions still hold KEYSTONE ACQUISITION CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP G52539122·19 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$5M
visible holders
Holders
19
filers reporting
Concentration
51.51%
BOOTHBAY FUND MANAGEMENT, LLC #1
top holder share
AI Holders Summary · Q2 2026

19 institutions reported KEYSTONE ACQUISITION CORP in Q2 2026. BOOTHBAY FUND MANAGEMENT, LLC leads at 51.5% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BOOTHBAY FUND MANAGEMENT, LLC
CIK 0001549230
$3M256K0.03%Q2 202602
Harraden Circle Investments, LLC
CIK 0001910592
$399K908K0.05%Q2 202603
LINDEN ADVISORS LP
CIK 0001279396
$293K697K0.00%Q2 202604
METEORA CAPITAL, LLC
CIK 0001905106
$245K557K0.02%Q2 202605
Polar Asset Management Partners Inc.
CIK 0001326389
$242K550K0.00%Q2 202606
TENOR CAPITAL MANAGEMENT Co., L.P.
CIK 0001346554
$165K375K0.00%Q2 202607
Verition Fund Management LLC
CIK 0001454027
$144K324K0.00%Q2 202608
Hudson Bay Capital Management LP
CIK 0001393825
$134K300K0.00%Q2 202609
Clear Street Group Inc.
CIK 0001881567
$120K273K0.00%Q2 202610
PERISCOPE CAPITAL INC.
CIK 0001695320
$110K250K0.01%Q2 202611
Shaolin Capital Management LLC
CIK 0001766806
$105K239K0.01%Q2 202612
CSS LLC/IL
CIK 0001103646
$105K239K0.00%Q2 202613
Centiva Capital, LP
CIK 0001692507
$95K213K0.00%Q2 202614
K2 PRINCIPAL FUND, L.P.
CIK 0001461790
$66K150K0.00%Q2 202615
Saba Capital Management, L.P.
CIK 0001510281
$66K150K0.00%Q2 202616
WOLVERINE ASSET MANAGEMENT LLC
CIK 0001279891
$42K95K0.00%Q2 202617
Governors Lane LP
CIK 0001644187
$40K91K0.00%Q2 202618
TORONTO DOMINION BANK
CIK 0000947263
$8K18K0.00%Q2 202619
HIGHBRIDGE CAPITAL MANAGEMENT LLC
CIK 0000919185
$2155000.00%Q2 2026