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 IMSRW 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/IMSRW"
Use Arkolith to show who owns IMSRW, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | LMR Partners LLP | $8.7M | 3.3M | ▲+17% Added · +497K sh | Q1 2026 | |
| 2 | Hudson Bay Capital Management LP | $3.4M | 1.3M | ▲+427% Added · +1.1M sh | Q1 2026 | |
| 3 | PEAK6 LLC | $3.1M | 1.2M | —Held | Q1 2026 | |
| 4 | BOOTHBAY FUND MANAGEMENT, LLC | $2.3M | 390K | ▲New +390K sh | Q1 2026 | |
| 5 | Caption Management, LLC | $2.2M | 865K | ▲+7.3% Added · +59K sh | Q1 2026 | |
| 6 | Magnetar Financial LLC | $2.0M | 780K | ▼−14% Reduced · −125K sh | Q1 2026 | |
| 7 | ARISTEIA CAPITAL, L.L.C. | $1.9M | 735K | ▲+263% Added · +533K sh | Q1 2026 | |
| 8 | Walleye Capital LLC | $363K | 140K | ▼−9.5% Reduced · −15K sh | Q1 2026 | |
| 9 | CastleKnight Management LP | $190K | 73K | —Held | Q1 2026 | |
| 10 | Alberta Investment Management Corp | $130K | 50K | —Held | Q1 2026 | |
| 11 | Clear Street Group Inc. | $26K | 10K | —Held | Q1 2026 | |
| 12 | Federation des caisses Desjardins du Quebec | $5K | 2K | ▲New +2K 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.
No Form 4 insider transactions on file yet.
| Company | Co-held by | Combined value |
|---|---|---|
| JPMORGAN CHASE & COJPM | 9 funds | $54.7B |
| TESLA INCTSLA | 9 funds | $33.7B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 9 funds | $25.9B |
| HOME DEPOT INCHD | 9 funds | $22.2B |
| GOLDMAN SACHS GROUP INCGS | 9 funds | $14.4B |
| PALO ALTO NETWORKS INCPANW | 9 funds | $13.7B |
| ADVANCED MICRO DEVICESAMD | 9 funds | $10.8B |
| AMERICAN EXPRESS COAXP | 9 funds | $9.1B |
| CITIGROUP INCC | 9 funds | $8.3B |
| MORGAN STANLEYMS | 9 funds | $7.1B |
| INTUITIVE SURGICAL INCISRG | 9 funds | $6.7B |
| BOOKING HOLDINGS INCBKNG | 9 funds | $6.1B |
Ranked by how many of IMSRW'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 IMSRW. 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.