Q2 2026 13F · SEC CIK 1304857
MMCAP International Inc. SPC
Investment managerFiled 2026-08-14 for Q2 2026. Open the filing ↗ · All SEC filings ↗
- Reported 13F value
- $1.2B
- Reported positions
- 303
- Top holdings a year, 3 yrs
- +29.9%
- Average holding period
- 1.6 yrs
MMCAP International Inc. SPC is an investment manager that reported 303 positions worth $1.2B in its Q2 2026 13F, filed 2026-08-14. Its largest holdings were Aris Mining Corporation (ARIS, 8.6%), Algoma Steel Group (ASTL, 3.8%), Churchill Cap Corp Xii (CXII, 2.4%). A portfolio copying its top holdings returned 29.9% a year over the last 3 years, against 21.8% for the S&P 500.
MMCAP International Inc. SPC holdings largest 50 of 303 positions.
Weights are shares of the filer's total reported 13F value, compared with Q1 2026. Share changes may reflect splits; weight changes also reflect price moves. A 13F shows long US-listed positions only, up to 135 days after the fact.
What MMCAP International Inc. SPC bought and sold in Q2 2026, against Q1 2026.
New positions
Q1 2026's filing was too long to tell new positions apart.
Added to
- GM General Mtrs Co+12.4% shares
- NXE Nexgen Energy Limited (canada)+10.9% shares
Reduced
- STM Stmicroelectronics N V Ny Registry-56.3% shares
- ASTL Algoma Steel Group-14.7% shares
- ARIS Aris Mining Corporation-12.6% shares
Left the top 50
- XNDU Xanadu Quantum Technolo Ltdwas 4.2%
- CCXIU Churchill Cap Corp Xiwas 2.4%
- MOZAYYX Acquisition Corp unitwas 1.5%
- IACOU Idea Acquisition Corpwas 1.5%
- IPFXU Inflection Pt Acquisit Corpwas 1.3%
- MESHU Meshflow Acquisition Corp unitwas 1.3%
- IRHOU Iron Horse Acquisition II Corpwas 1.3%
- QADRU Qdro Acquisition Corpwas 1.3%
Share counts compared with the Q1 2026 13F; a split also changes share counts. The latest filing lists more than 50 positions, so a position that left the top 50 may still be held.
How the holdings did against the S&P 500.
- 1 year
- +47.6% /yr
- S&P 500 +20.1%
- 3 years
- +29.9% /yr
- S&P 500 +21.8%
- 5 years
- +17.0% /yr
- S&P 500 +11.8%
A portfolio of the filer's 20 largest 13F positions, weighted by value, bought the trading day after each 13F was filed and held until the next one was: what copying this filer could have earned. 13Fs show long US-listed positions only, so this is an estimate of the stock picks, not the fund's reported returns.
Reported 13F value by quarter.
| Quarter | 13F value | Positions |
|---|---|---|
| Q2 2026 | $1.2B | 303 |
| Q1 2026 | $1.2B | 244 |
| Q4 2025 | $1.0B | 208 |
| Q3 2025 | $859.8M | 172 |
| Q2 2025 | $831.4M | 144 |
| Q1 2025 | $586.8M | 131 |
| Q4 2024 | $664.9M | 139 |
| Q3 2024 | $719.0M | 165 |
| Q2 2024 | $719.2M | 180 |
| Q1 2024 | $768.2M | 185 |
| Q4 2023 | $546.1M | 193 |
| Q3 2023 | $348.3M | 196 |
Questions about MMCAP International Inc. SPC's portfolio
What stocks does MMCAP International Inc. SPC own?
MMCAP International Inc. SPC's latest 13F, for Q2 2026 and filed Aug 14, 2026, lists 303 positions worth $1.2B. The largest are Aris Mining Corporation (ARIS) at 8.6%, Algoma Steel Group (ASTL) at 3.8%, Churchill Cap Corp Xii (CXII) at 2.4%, Drugs Made in America Acquisition II Cor (DMII) at 2.3% and Nexgen Energy Limited (canada) (NXE) at 2.1%.
What did MMCAP International Inc. SPC buy last quarter?
In Q2 2026, MMCAP International Inc. SPC added General Mtrs Co (GM) (+12.4% shares) and Nexgen Energy Limited (canada) (NXE) (+10.9% shares), compared with its Q1 2026 filing.
What did MMCAP International Inc. SPC sell last quarter?
In Q2 2026, MMCAP International Inc. SPC cut from its top 50 Xanadu Quantum Technolo Ltd (XNDU), cut from its top 50 Churchill Cap Corp Xi (CCXIU), cut from its top 50 MOZAYYX Acquisition Corp unit, cut from its top 50 Idea Acquisition Corp (IACOU), cut from its top 50 Inflection Pt Acquisit Corp (IPFXU), Stmicroelectronics N V Ny Registry (STM) (-56.3% shares), Algoma Steel Group (ASTL) (-14.7% shares) and Aris Mining Corporation (ARIS) (-12.6% shares), compared with its Q1 2026 filing.
How has MMCAP International Inc. SPC's portfolio performed?
A portfolio copying MMCAP International Inc. SPC's 20 largest 13F holdings each quarter, from the day each filing was public, returned +29.9% a year over the last 3 years, against +21.8% for the S&P 500. Over 1 year: +47.6% against +20.1%. Over 5 years: +17.0% a year against +11.8%.
When is MMCAP International Inc. SPC's next 13F filing due?
13F filings are due 45 days after each quarter ends. MMCAP International Inc. SPC's filing for the quarter ending Sep 30, 2026 is due by Nov 14, 2026; this page updates the day after it is published.