Who owns SPACSphere Acquisition Corp., from the filings themselves: stakes over 5% (Schedule 13D/G), the institutional managers reporting the stock each quarter (13F), and the funds holding it (N-PORT).
Investors crossing 5% ownership must disclose it. Schedule 13G filers certify the stake is passive; Schedule 13D is the general form for everyone else — founders, strategic holders, and activists alike. Each entry is the holder's most recent disclosure. Coverage begins with SEC's structured filings from December 18, 2024; a holder appears once they file or amend after that date.
KARPUS MANAGEMENT, INC.: 5.0% · 1,199,767 shares
Mizuho Financial Group, Inc.: 5.5% · 1,012,567 shares
8 more 5% stakes behind a free account
See every investor who has disclosed crossing 5% of SPACSphere Acquisition Corp..
Sign up freeEvery institutional manager whose latest 13F reports this stock, largest position first. "% of their portfolio" is the weight inside that manager's own book — how much conviction the position represents; "% of company" is how much of SPACSphere Acquisition Corp. they hold. Together these 51 managers report 99.54% of shares outstanding.
| Investor | Position value | Shares | % of their portfolio | % of company | As of |
|---|---|---|---|---|---|
| Yakira Capital Management, Inc. | $15.2M | 1,485,000 | 4.32% | 8.16% | June 30, 2026 |
| MIZUHO SECURITIES USA LLC | $14.9M | 1,504,075 | 0.14% | 8.26% | June 30, 2026 |
49 more institutional holders behind a free account
See every manager reporting SPACSphere Acquisition Corp., how much of the company they hold, and how big the position is inside their own portfolio.
Sign up freeFunds disclosing this stock in their monthly N-PORT portfolio, with the position's share of the fund's net assets. Together these 4 funds hold 0.86% of shares outstanding — counted inside the manager totals above, not on top of them, since a fund's shares also appear in its manager's 13F.
| Fund | Position value | % of net assets | % of company | As of |
|---|---|---|---|---|
| RiverNorth Opportunities Fund Inc. | $998K | 0.30% | 0.55% | June 30, 2026 |
| TrueShares ConVequity ETF | $258K | 0.47% | 0.14% | April 30, 2026 |
2 more funds behind a free account
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