The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query QUMS owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/QUMS"
Use Arkolith to show who owns QUMS, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Karpus Management, Inc. | $5.0M | 494K | ▼−0.1% Reduced · −475 sh | Q1 2026 | |
| 2 | Shaolin Capital Management LLC | $4.9M | 480K | —Held | Q1 2026 | |
| 3 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $4.3M | 425K | ▲New +425K sh | Q1 2026 | |
| 4 | Polar Asset Management Partners Inc. | $4.0M | 400K | —Held | Q1 2026 | |
| 5 | AQR Arbitrage LLC | $3.1M | 308K | ▼−4.5% Reduced · −14K sh | Q1 2026 | |
| 6 | Westchester Capital Management, LLC | $2.5M | 250K | —Held | Q1 2026 | |
| 7 | Hudson Bay Capital Management LP | $2.4M | 235K | —Held | Q1 2026 | |
| 8 | Clear Street Group Inc. | $1.8M | 175K | ▼−59% Reduced · −250K sh | Q1 2026 | |
| 9 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $1.2M | 121K | ▲New +121K sh | Q1 2026 | |
| 10 | Schonfeld Strategic Advisors LLC | $557K | 55K | —Held | 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.
No Form 4 insider transactions on file yet.
| Class | 13F holders | Value held |
|---|---|---|
| QUMSthis pageORD SHS | 20 funds | $53.7M |
| QUMSRSPACS | 19 funds | $1.4M |
| QUMSUUNIT 07/30/2030 | 5 funds | $1.9M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
| Company | Co-held by | Combined value |
|---|---|---|
| DRUGS MADE IN AMERICA ACQUISDMII | 10 funds | $87.3M |
| K&F GROWTH ACQUISITION COR-AKFII | 10 funds | $72.8M |
| SIDDHI ACQUISITION CORP-ASDHI | 10 funds | $66.6M |
| COPLEY ACQUISITION CORP-ACOPL | 10 funds | $59.5M |
| ENHANCED GROUP INCENHA | 10 funds | $53.0M |
| ANDRETTI ACQUISITION CORP -APOLE | 10 funds | $52.5M |
| MCKINLEY ACQUISITION CO-CL AMKLY | 10 funds | $51.8M |
| CROWN RESERVE ACQUISITI-CL ACRAC | 10 funds | $50.7M |
| LAUNCH TWO ACQUISITION- CL ALPBB | 10 funds | $46.2M |
| SOULPOWER ACQUISITION CO-ASOUL | 10 funds | $46.1M |
| THAYER VENTURES ACQUIS CL ATVAI | 10 funds | $44.7M |
| D. BORAL ARC ACQUISIT - CL ABCAR | 10 funds | $43.4M |
Ranked by how many of QUMS's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
No filings captured for this ticker in the live stream yet.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for QUMS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.