APERTURE AC APUR
USD CL A ORD SHS · Common Stock · CUSIP G0474D101
- SectorBlank check (SPAC)
- IndustryBlank Checks
- HeadquartersAlhambra, CA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $9.90.
Biggest buyers
| MIZUHO SECURITIES USA LLC | New | +945.0k |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | New | +855.0k |
| Polar Asset Management Partners Inc. | New | +825.0k |
| BOOTHBAY FUND MANAGEMENT, LLC | New | +600.0k |
| Westchester Capital Management, LLC | New | +500.0k |
| TORONTO DOMINION BANK | New | +477.5k |
| WOLVERINE ASSET MANAGEMENT LLC | New | +469.4k |
| AQR Arbitrage LLC | New | +436.3k |
| MANGROVE PARTNERS IM, LLC | New | +425.0k |
| Crossingbridge Advisors, LLC | New | +425.0k |
Biggest sellers
| None |
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
Aperture Sponsor LLC
13D · may seek influence
new · filed 2026-06-01
Stated purposeFounder Shares On September 30, 2025, the Sponsor acquired an aggregate of 3,828,082 Class B ordinary shares, for $25,000, or approximately $0.007 per share, including an aggregate of up to 499,315 shares subject to forfeiture to the extent the underwriters did not exercise their over-allotment option in full. On May 22, 2026, the underwriters partially exercised the over-allotment option in connection with the IPO and as a result, 55,479 founder shares were forfeited by the Sponsor. The Founder Shares will automatically convert into Class A ordinary shares at the time of the Issuer's initial business combination (the "Business Combination") on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights. The description of the Founder Share Purchase Agreement is q… Full filing |
27.1% |
| MIZUHO FINANCIAL GROUP INC 13G · institution new · filed 2026-08-13 | 8.6% |
| Space Summit Capital LLC 13G · passive investor new · filed 2026-05-21 | 8.1% |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-08-14 | 7.8% |
| Polar Asset Management Partners Inc. 13G · institution new · filed 2026-08-14 | 7.5% |
Fell to 5% or below in the last year: Feis Equities LLC (3.6%, 2026-10-09), Harraden Circle Investments, LLC (0.0%, 2026-08-14)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 0 | — | 0 | — | — |
| Q1 2026 | 0 | — | 0 | — | — |
| Q2 2026 | 1 | $2.2m | 0 | — | — |
| Q3 2026 | 0 | — | 0 | — | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-06-15 | GOLDMAN SACHS & CO. LLC +1 10% owner · See Footnotes | Sold | $47548 shares |
| 2026-05-22 | Kung Calvin +1 Chief Executive Officer | Bought | $2.2m223.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| MIZUHO SECURITIES USA LLC 0.09% of their portfolio | 945.0k $9.3m | New |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC 0.29% of their portfolio | 855.0k $8.5m | New |
| Polar Asset Management Partners Inc. 0.15% of their portfolio | 825.0k $8.2m | New |
| BOOTHBAY FUND MANAGEMENT, LLC 0.11% of their portfolio | 600.0k $5.9m | New |
| Westchester Capital Management, LLC 0.25% of their portfolio | 500.0k $5.0m | New |
| TORONTO DOMINION BANK 0.01% of their portfolio | 477.5k $4.7m | New |
| WOLVERINE ASSET MANAGEMENT LLC 0.06% of their portfolio | 469.4k $4.6m | New |
| AQR Arbitrage LLC 0.06% of their portfolio | 436.3k $4.3m | New |
| MANGROVE PARTNERS IM, LLC 0.28% of their portfolio | 425.0k $4.2m | New |
| Crossingbridge Advisors, LLC 0.74% of their portfolio | 425.0k $4.2m | New |
| RIVERNORTH CAPITAL MANAGEMENT, LLC 0.19% of their portfolio | 400.0k $4.0m | New |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 388.7k $3.8m | New |
| GLAZER CAPITAL, LLC 0.07% of their portfolio | 300.0k $3.0m | New |
| WHITEBOX ADVISORS LLC 0.05% of their portfolio | 300.0k $3.0m | New |
| CANTOR FITZGERALD, L. P. 0.03% of their portfolio | 297.6k $2.9m | New |
| Shaolin Capital Management LLC 0.14% of their portfolio | 257.8k $2.6m | New |
| ARISTEIA CAPITAL, L.L.C. 0.04% of their portfolio | 250.0k $2.5m | New |
| BERKLEY W R CORP 0.11% of their portfolio | 228.8k $2.3m | New |
| HEIGHTS CAPITAL MANAGEMENT, INC 0.46% of their portfolio | 200.0k $2.0m | New |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 163.1k $1.6m | New |
| Calamos Advisors LLC 0.01% of their portfolio | 150.0k $1.5m | New |
| Yakira Capital Management, Inc. 0.44% of their portfolio | 150.0k $1.5m | New |
| Clear Street Group Inc. 0.00% of their portfolio | 105.0k $1.0m | New |
| DELTEC ASSET MANAGEMENT LLC 0.15% of their portfolio | 100.0k $990.0k | New |
| Linden Advisors LP 0.01% of their portfolio | 100.0k $990.0k | New |
| DLD Asset Management, LP 0.08% of their portfolio | 100.0k $990.0k | New |
| Logan Stone Capital, LLC 0.16% of their portfolio | 77.3k $765.7k | New |
| L1 Global Manager Pty Ltd 0.48% of their portfolio | 60.0k $594.0k | New |
| Verition Fund Management LLC 0.00% of their portfolio | 50.8k $503.3k | New |
| Schonfeld Strategic Advisors LLC 0.00% of their portfolio | 49.7k $491.9k | New |
| ABC ARBITRAGE SA 0.03% of their portfolio | 30.0k $297.0k | New |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 20.6k $204.0k | New |
| TrueMark Investments, LLC 0.01% of their portfolio | 10.0k $99.0k | New |