31 tracked 13F filers disclose a position in SUMAU as of the latest SEC 13F filings, a combined $131.2M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Magnetar Financial LLC | $14.9M | 1.5M | ▲New +1.5M sh | Q1 2026 | |
| 2 | Alberta Investment Management Corp | $14.5M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 3 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $13.5M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 4 | Polar Asset Management Partners Inc. | $13.0M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 5 | Centiva Capital, LP | $10.0M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 6 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $8.6M | 860K | ▲New +860K sh | Q1 2026 | |
| 7 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $7.1M | 715K | ▲New +715K sh | Q1 2026 | |
| 8 | MILLENNIUM MANAGEMENT LLC | $6.5M | 650K | ▲New +650K sh | Q1 2026 | |
| 9 | BERKLEY W R CORP | $5.5M | 547K | ▲New +547K sh | Q1 2026 | |
| 10 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $5.0M | 500K | ▲New +500K sh | Q1 2026 | |
| 11 | MANGROVE PARTNERS IM, LLC | $4.5M | 450K | ▲New +450K sh | Q1 2026 | |
| 12 | Radcliffe Capital Management, L.P. | $2.8M | 276K | ▲New +276K sh | Q1 2026 | |
| 13 | TWO SIGMA INVESTMENTS, LP | $2.7M | 272K | ▲New +272K sh | Q1 2026 | |
| 14 | ARISTEIA CAPITAL, L.L.C. | $2.5M | 250K | ▲New +250K sh | Q1 2026 | |
| 15 | ExodusPoint Capital Management, LP | $2.0M | 200K | ▲New +200K sh | Q1 2026 | |
| 16 | LINDEN ADVISORS LP | $1.8M | 175K | ▲New +175K sh | Q1 2026 | |
| 17 | AQR Arbitrage LLC | $1.7M | 171K | ▲New +171K sh | Q1 2026 | |
| 18 | BNP PARIBAS FINANCIAL MARKETS | $1.7M | 167K | ▲New +167K sh | Q1 2026 | |
| 19 | Lineage Point Capital LP | $1.5M | 150K | ▲New +150K sh | Q1 2026 | |
| 20 | Parallax Volatility Advisers, L.P. | $1.5M | 150K | ▲New +150K sh | Q1 2026 | |
| 21 | TORONTO DOMINION BANK | $1.5M | 150K | ▲New +150K sh | Q1 2026 | |
| 22 | PICTON MAHONEY ASSET MANAGEMENT | $1.5M | 150K | ▲New +150K sh | Q1 2026 | |
| 23 | MOORE CAPITAL MANAGEMENT, LP | $1.5M | 150K | ▲New +150K sh | Q1 2026 | |
| 24 | Shaolin Capital Management LLC | $1.5M | 150K | ▲New +150K sh | Q1 2026 | |
| 25 | BOOTHBAY FUND MANAGEMENT, LLC | $1.5M | 148K | ▲New +148K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 24 funds opened a new position in SUMAU, while 0 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| SOULPOWER ACQUISITION CO-ASOUL | 21 funds | $110.1M |
| HCM IV ACQUISITION CORPHACQU | 20 funds | $117.2M |
| CANTOR EQUITY PARTNERS-CL ACEPF | 20 funds | $115.3M |
| INFLECTION POINT ACQUISITIONIPFXU | 20 funds | $104.7M |
| GALATA ACQU CORP II - CL ALATA | 20 funds | $88.1M |
| INVEST GREEN ACQUISITIO-CL AIGAC | 20 funds | $84.8M |
| M3-BRIGADE ACQUISITION-CL AMBVI | 19 funds | $133.4M |
| IDEA ACQUISITION CORPIACOU | 19 funds | $132.6M |
| CRANE HARBOR ACQUISITIO-CL ACRAN | 19 funds | $129.8M |
| ABONY ACQUISITION CORP IAACOU | 19 funds | $118.4M |
| KENSINGTON CAPITAL ACQUISITIKCAC/U | 19 funds | $109.9M |
| MOZAYYX ACQUISITION CORPMZYX/U | 19 funds | $99.2M |
Ranked by how many of SUMAU's institutional holders also hold each name, a cross-fund conviction signal.
No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.
| Class | 13F holders | Value held |
|---|---|---|
| SUMAUthis pageUnit | 31 funds | $131.2M |
| G8557R103USD CL A ORD SHS | 4 funds | $11.4M |
| G8557R111RIGHT 03/05/2031 | 3 funds | $275K |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
No filings captured for this ticker in the live stream yet.
Connected entities for SUMAU
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/SUMAU/capital-change-brief"
Use Arkolith's capital_change_brief for SUMAU. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for SUMAU. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.