SEC ownership of SPACSphere Acquisition Corp.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002081300.

Comparable stake leader

Feis Equities LLC

Disclosed value leader

Polar Asset Management Partners Inc.

Comparable rows

24/50

Latest evidence

31 Mar 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 2 signals
Latest 13D/G holder
Feis Equities LLC
Latest parsed ownership date
31 Mar 2026
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0002081300
Issuer location
Sacramento, CA

Ownership snapshot

Top shareholders of SPACSphere Acquisition Corp. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Feis Equities LLC
Disclosed value leader
Polar Asset Management Pa...
Comparable rows
24/50
Latest evidence
31 Mar 2026
13D/G 13F Lead comparable stake: 8.9% 26 rows are not safely comparable across share classes. 13D/G row: Feis Equities LLC Showing 1-8 of 50 holder rows.

Quick read

Feis Equities LLC leads the comparable SEC ownership view at 8.9%.

24 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Feis Equities LLC's linked filing trail.
Comparable ownership Top 5
Feis Equities LLC 8.9%
Polar Asset Management Partners Inc. 8.2%
Yakira Capital Management, Inc. 8.2%
HIGHBRIDGE CAPITAL MANAGEMENT LLC 7.6%
Lighthouse Investment Partners, LLC 7.4%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Feis Equities LLC
13D/G
8.9%
1,542,704 shares
$0 06 Feb 2026
Polar Asset Management Partners Inc.
13F 13D/G
Company
8.2%
from 13D/G
$15,078,651
3,725,000 shares
mixed-class rows
31 Mar 2026
Yakira Capital Management, Inc.
13F 13D/G
Company
8.2%
from 13D/G
$14,953,950
1,485,000 shares
31 Mar 2026
HIGHBRIDGE CAPITAL MANAGEMENT LLC
13D/G 13F
Company
7.6%
$13,984,637
1,390,123 shares
$0 31 Mar 2026
Lighthouse Investment Partners, LLC
13D/G
7.4%
$13,461,789
1,338,150 shares
$0 31 Mar 2026
GOLDMAN SACHS GROUP INC
13D/G
THE GOLDMAN SACHS GROUP, INC.
7.3%
$13,290,849
1,321,158 shares
$0 31 Mar 2026
WOLVERINE ASSET MANAGEMENT LLC
13D/G 13F
Company
6.4%
$11,683,416
1,162,529 shares
$0 31 Mar 2026
Karpus Management, Inc.
13F 13D/G
Company
5.1%
from 13D/G
$12,050,379
1,217,210 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 07 Jun 2025.

Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 0
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 0 $0 $0 $0
3-6 0 0 $0 $0 $0
6-9 0 0 $0 $0 $0
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-7 of 7 reporting-owner rows connected to SPACSphere Acquisition Corp.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
7
Largest Forms 3/4/5 holder
Bala Padmakumar
Net 12M change
$0
Latest report
30 Jan 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Bala Padmakumar CEO & Chairman, Director, 10%+ Owner Mixed 30 Jan 2026
Kathleen C. Cuocolo Director Mixed 30 Jan 2026
Magnus Ryde Director Mixed 30 Jan 2026
Soumen Das CFO, Director, 10%+ Owner Mixed 30 Jan 2026
Mark Platshon Director Mixed 30 Jan 2026
SPACSphere Sponsor LLC 10%+ Owner Mixed 30 Jan 2026
SPACCatalyst LLC 10%+ Owner Mixed 30 Jan 2026

Recent insider transactions for SPACSphere Acquisition Corp.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
No insider transactions were found in the last 12 months for this issuer.
* marks a reported price that did not pass the local price check.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .