77 tracked 13F filers disclose a position in IMTX as of the latest SEC 13F filings, a combined $852.8M 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 | T. Rowe Price Investment Management, Inc. | Withheld | 21.7M | ▲+0.9% Added · +193K sh | Q1 2026 | |
| 2 | RTW INVESTMENTS, LP | $131.1M | 12.9M | ▲+0.6% Added · +77K sh | Q2 2026 | |
| 3 | SUVRETTA CAPITAL MANAGEMENT, LLC | $110.1M | 11.2M | —Held | Q1 2026 | |
| 4 | BAKER BROS. ADVISORS LP | $107.4M | 10.9M | ▼−9.7% Reduced · −1.2M sh | Q1 2026 | |
| 5 | PERCEPTIVE ADVISORS LLC | $102.2M | 10.4M | —Held | Q1 2026 | |
| 6 | TORONTO DOMINION BANK | $73.2M | 7.4M | ▲New +7.4M sh | Q1 2026 | |
| 7 | Jefferies Financial Group Inc. | $65.9M | 6.5M | ▲+29% Added · +1.4M sh | Q2 2026 | |
| 8 | Vestal Point Capital, LP | $60.8M | 6.2M | ▲+0.8% Added · +50K sh | Q1 2026 | |
| 9 | Sofinnova Investments, Inc. | $37.2M | 3.7M | ▲+1.1% Added · +39K sh | Q2 2026 | |
| 10 | MORGAN STANLEY | $21.1M | 2.1M | ▲+2.8% Added · +59K sh | Q1 2026 | |
| 11 | CITADEL ADVISORS LLC | $18.2M | 1.9M | ▲+8.0% Added · +137K sh | Q1 2026 | |
| 12 | Point72 Asset Management, L.P. | $14.7M | 1.5M | ▼−15% Reduced · −260K sh | Q1 2026 | |
| 13 | Woodline Partners LP | $9.8M | 1.0M | —Held | Q1 2026 | |
| 14 | BALYASNY ASSET MANAGEMENT L.P. | $9.7M | 983K | ▲+66% Added · +390K sh | Q1 2026 | |
| 15 | Aberdeen Group plc | $8.1M | 821K | ▲+15% Added · +106K sh | Q1 2026 | |
| 16 | Longaeva Partners L.P. | $7.7M | 781K | ▲18× Added · +736K sh | Q1 2026 | |
| 17 | UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO | $7.1M | 697K | —Held | Q2 2026 | |
| 18 | SPHERA FUNDS MANAGEMENT LTD. | $6.8M | 696K | ▼−19% Reduced · −165K sh | Q1 2026 | |
| 19 | PRICE T ROWE ASSOCIATES INC /MD/ | $6.4M | 652K | ▼−13% Reduced · −96K sh | Q1 2026 | |
| 20 | TD ASSET MANAGEMENT INC | $4.6M | 470K | ▼−6.0% Reduced · −30K sh | Q1 2026 | |
| 21 | WASATCH ADVISORS LP | $4.5M | 442K | ▼−5.0% Reduced · −23K sh | Q2 2026 | |
| 22 | STATE STREET CORP | $4.3M | 420K | ▼−8.2% Reduced · −37K sh | Q2 2026 | |
| 23 | SCHRODER INVESTMENT MANAGEMENT GROUP | $3.7M | 402K | —Held | Q1 2026 | |
| 24 | Qube Research & Technologies Ltd | $3.6M | 367K | ▲+149% Added · +219K sh | Q1 2026 | |
| 25 | UBS Group AG | $2.6M | 261K | ▼−54% Reduced · −302K 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, 9 funds opened a new position in IMTX and 21 added to an existing one, while 13 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 |
|---|---|---|
| AMAZON.COM INCAMZN | 40 funds | $47.4B |
| NVIDIA CORPNVDA | 39 funds | $106.3B |
| MICROSOFT CORPMSFT | 38 funds | $70.5B |
| META PLATFORMS INC-CLASS AMETA | 37 funds | $33.1B |
| ELI LILLY & COLLY | 37 funds | $20.0B |
| DANAHER CORPDHR | 37 funds | $4.7B |
| BOSTON SCIENTIFIC CORPBSX | 37 funds | $3.0B |
| ADVANCED MICRO DEVICESAMD | 36 funds | $10.0B |
| UNITEDHEALTH GROUP INCUNH | 36 funds | $8.4B |
| ABBOTT LABORATORIESABT | 36 funds | $3.5B |
| CAPITAL ONE FINANCIAL CORPCOF | 36 funds | $2.8B |
| BANK OF AMERICA CORPBAC | 35 funds | $8.5B |
Ranked by how many of IMTX's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 26, 2026 | PERCEPTIVE ADVISORS LLC | Director | Buy (P) | 863K | $7.5M |
Connected entities for IMTX
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/IMTX/capital-change-brief"
Use Arkolith's capital_change_brief for IMTX. 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 IMTX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.