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 OBA 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/OBA"
Use Arkolith to show who owns OBA, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Magnetar Financial LLC | $12.7M | 1.3M | —Held | Q1 2026 | |
| 2 | Westchester Capital Management, LLC | $11.3M | 1.1M | ▲+22% Added · +200K sh | Q1 2026 | |
| 3 | PICTON MAHONEY ASSET MANAGEMENT | $10.1M | 1.0M | —Held | Q1 2026 | |
| 4 | Karpus Management, Inc. | $8.7M | 862K | ▲+12% Added · +96K sh | Q1 2026 | |
| 5 | AQR Arbitrage LLC | $8.2M | 806K | ▼−3.7% Reduced · −31K sh | Q1 2026 | |
| 6 | ARISTEIA CAPITAL, L.L.C. | $6.6M | 650K | ▲+30% Added · +150K sh | Q1 2026 | |
| 7 | TIG Advisors, LLC | $6.1M | 602K | —Held | Q1 2026 | |
| 8 | TENOR CAPITAL MANAGEMENT Co., L.P. | $6.1M | 600K | —Held | Q1 2026 | |
| 9 | Hudson Bay Capital Management LP | $5.1M | 500K | —Held | Q1 2026 | |
| 10 | Jain Global LLC | $5.1M | 500K | —Held | Q1 2026 | |
| 11 | Polar Asset Management Partners Inc. | $5.1M | 500K | —Held | Q1 2026 | |
| 12 | Ghisallo Capital Management LLC | $5.1M | 500K | —Held | Q1 2026 | |
| 13 | Verition Fund Management LLC | $5.1M | 499K | ▼−17% Reduced · −100K sh | Q1 2026 | |
| 14 | Shaolin Capital Management LLC | $4.4M | 437K | ▲+35% Added · +112K sh | Q1 2026 | |
| 15 | Context Capital Management, LLC | $3.0M | 300K | —Held | Q1 2026 | |
| 16 | Schonfeld Strategic Advisors LLC | $2.2M | 221K | ▲+0.1% Added · +230 sh | Q1 2026 | |
| 17 | MOORE CAPITAL MANAGEMENT, LP | $2.0M | 200K | —Held | Q1 2026 | |
| 18 | Clear Street Group Inc. | $1.9M | 189K | ▼−25% Reduced · −61K sh | Q1 2026 | |
| 19 | Parallax Volatility Advisers, L.P. | $1.7M | 170K | ▲New +170K sh | Q1 2026 | |
| 20 | MANGROVE PARTNERS IM, LLC | $1.0M | 100K | —Held | Q1 2026 | |
| 21 | WHITEBOX ADVISORS LLC | $1.0M | 100K | —Held | Q1 2026 | |
| 22 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $1.0M | 100K | —Held | Q1 2026 | |
| 23 | BOOTHBAY FUND MANAGEMENT, LLC | $451K | 45K | —Held | Q1 2026 | |
| 24 | Centiva Capital, LP | $253K | 25K | —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.
| Company | Co-held by | Combined value |
|---|---|---|
| PIONEER ACQUISITION I-CL APACH | 24 funds | $99.5M |
| BLUE WATER ACQUISITION C-ABLUW | 23 funds | $92.5M |
| FIGX CAPITAL ACQUISITION C-AFIGX | 23 funds | $56.5M |
| LIGHTWAVE ACQUISITION CORP-ALWAC | 22 funds | $98.3M |
| HIGHVIEW MERGER CORP-CL AHVMC | 22 funds | $79.8M |
| AXIOM INTELLIGENCE-CL AAXIN | 22 funds | $78.3M |
| D. BORAL ARC ACQUISIT - CL ABCAR | 22 funds | $67.0M |
| CHENGHE ACQUISITION II-CL ACHEC | 22 funds | $64.7M |
| SOULPOWER ACQUISITION CO-ASOUL | 21 funds | $117.4M |
| APEX TREASURY CORP-CL AAPXT | 21 funds | $111.0M |
| M3-BRIGADE ACQUISITION-CL AMBVI | 21 funds | $101.6M |
| CAL REDWOOD ACQUISIT-CL ACRAQ | 21 funds | $90.9M |
Ranked by how many of OBA'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 OBA. 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.