13F Insight
DOSSIER · 13F Holders · Q2 2026

SPARK I ACQUISITION CORP

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

CUSIP G8316B118·28 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$4M
visible holders
Holders
28
filers reporting
Concentration
12.94%
Polar Asset Management Partners Inc. #1
top holder share
AI Holders Summary · Q2 2026

28 institutions reported SPARK I ACQUISITION CORP in Q2 2026. Polar Asset Management Partners Inc. leads at 12.9% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
Polar Asset Management Partners Inc.
CIK 0001326389
$534K225K0.01%Q2 202602
Saba Capital Management, L.P.
CIK 0001510281
$508K214K0.01%Q2 202603
LINDEN ADVISORS LP
CIK 0001279396
$475K200K0.00%Q2 202604
MMCAP International Inc. SPC
CIK 0001304857
$416K175K0.04%Q2 202605
Wealthspring Capital LLC
CIK 0001844495
$303K127K0.07%Q2 202606
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$297K125K0.00%Q2 202607
MOORE CAPITAL MANAGEMENT, LP
CIK 0001448574
$238K100K0.00%Q2 202608
Shaolin Capital Management LLC
CIK 0001766806
$227K96K0.01%Q2 202609
Centiva Capital, LP
CIK 0001692507
$192K80K0.00%Q2 202610
Alberta Investment Management Corp
CIK 0001463559· Sovereign
$178K75K0.00%Q2 202611
PERISCOPE CAPITAL INC.
CIK 0001695320
$160K68K0.01%Q2 202612
Clear Street Group Inc.
CIK 0001881567
$143K60K0.00%Q2 202613
PEAK6 LLC
CIK 0001389958
$114K48K0.00%Q2 202614
AQR Arbitrage LLC
CIK 0001167456
$92K292K0.00%Q4 202515
JPMORGAN CHASE & CO
CIK 0000019617
$60K25K0.00%Q2 202616
TENOR CAPITAL MANAGEMENT Co., L.P.
CIK 0001346554
$59K25K0.00%Q2 202617
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$44K18K0.00%Q2 202618
GABELLI & Co INVESTMENT ADVISERS, INC.
CIK 0000932724
$30K13K0.00%Q2 202619
Calamos Advisors LLC
CIK 0001316507
$30K12K0.00%Q2 202620
GABELLI FUNDS LLC
CIK 0001081407
$29K12K0.00%Q2 2026
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