# Ipsen to Buy Kartos Therapeutics for Up to $1.75 Billion

> **Open Intelligence Dossier** · First detected: 2026-06-29 15:07 UTC · Category: Business

## Executive Summary
5 news sources are covering this Business story right now — PULSE is tracking how fast it spreads.

## Intelligence Brief
"Ipsen to Buy Kartos Therapeutics for Up to $1.75 Billion" is generating significant coverage in the Business category, with 5 articles from 5 distinct sources tracked by PULSE so far.


Outlets currently covering the story include GlobeNewswire, Reuters, Endpoints News and Fierce Biotech. PULSE measures a story's velocity from how quickly new articles appear and how many independent newsrooms join the coverage.


This brief was generated by PULSE's extractive engine from coverage metadata only. The latest headlines from every source are listed below; the velocity chart shows how the story is developing in real time.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| FirstWord Pharma | Ipsen to pay $1.75B for Kartos and its blood cancer asset | [Source Link](https://news.google.com/rss/articles/CBMiU0FVX3lxTFBNUDNiZzQxOHZXRnBDNGtjYjBfNmsybk9LUzVfQnN4Q2FlQXlCODFTVjZlN3RMLUJqSGpPZEQwUl9mWVhqWDdGaExUUkhwejhGMzh3?oc=5) |
| GlobeNewswire | Ipsen to acquire Kartos Therapeutics, expanding hemato-oncology late-stage pipeline | [Source Link](https://news.google.com/rss/articles/CBMi6gFBVV95cUxOTkJaTnkycmR2TFhFamkyWXdHdGszTFlhVmlFSk01em5SenotUmFDU1pCZ3pWM1p1c052aldBd0RmQjFvcDBLY0VycE5sTGhIclFRSzdZX3VHZ2tkS0wtMnRuaV9UbDFoOGt0bS03YTFJRlFJeEprUi0xNFlvQ0dJQ0FRU3VabkNfd1lwUDlhSDJ0bVJLeWNUN204a1FXUnhqWVdJckxEanZra0g0T1poSXdQOElBLXN1NDMtaHNvV1JGMWNvQkk4a0diMkdVWWEzWjk1LTV0eXBnN2t4Nm1ITTBXWGNPVF9UNkE?oc=5) |
| Reuters | French biotech company Ipsen to buy Kartos Therapeutics for $450 million | [Source Link](https://news.google.com/rss/articles/CBMirgFBVV95cUxPZ2IxaFRzWXJfQ2hrMVVVY2puS2VZX3A4UXFJNWJmNjhTYVNKODB4RzZXNXV3RmdPRGtEbWlfcHptUk80d2kyNEJvQ1k3NkVub05fUmVZVkk5WmE4OXVUYjVSVG5RUmFyTkFPQkpILVVrTUtaX3p5aWpPRXdBNjN4bWQtUlpKMjViSm5Ld0Jwa2xlLTRQV0tXQllCN3RQYWExWW92UDZ6eklOeE9WV1E?oc=5) |
| Endpoints News | Ipsen to buy blood cancer company Kartos Therapeutics for $450M upfront | [Source Link](https://news.google.com/rss/articles/CBMimgFBVV95cUxQTWZmTlppN2c3Tms1Wm9hZ1JZRzI2eFlBSncydjJwUGlaTWF1TG43OU9yWmRRMGNlLWF2TVktVlVRVk1kWS1DdHRiX193cTdHcHJhZnMzT0U5RTExUGRNZVVseWs2dlJTUWwxMzgzRUpYR3BXMlNsazJJV3o5UnNPY01fYTRtaUl5OGF1Rm9xelJsZUNvcTZ5MnJB?oc=5) |
| Fierce Biotech | Ipsen pens $1.7B deal to acquire Kartos for potential Jakafi add-on therapy for myelofibrosis | [Source Link](https://news.google.com/rss/articles/CBMitgFBVV95cUxQMTZrNW5KbEEwOEZEQlB4UENlV2ZoMHBQbjJHTWNOMVdYVmRNZDNzQUpsT1FscDRoZF85aXp0bFE3cFZLQnVUdEl2LVdKNDd5ZkNfVE15c2Q4MHpLZ25KUDJ4amYxdmhNSjhYcDAtVWZ0TmVNZG5uck5vSzBHQzV5TjR4YzRYTVBGSGpyT3ZkTWp0dE1xVFpIVE1aZjI0OXlwSGw5aHBzX0RObHNTb2hkcEx4aXM1UQ?oc=5) |
| WSJ | Ipsen to Buy Kartos Therapeutics for Up to $1.75 Billion | [Source Link](https://news.google.com/rss/articles/CBMimwFBVV95cUxONFlHUlY3UHBjMlV6M2xtNEU0TzNkRGdjejE3ck1kZGRlaXRJRkQwVWh0MmNyRE9oTldpN3VER2p4ME9veWR3NG1VY1AxeDJaVS1pcjZuYlgtZFNfSmxsX1prUFBPZndPQXU4cW5NZzRZRXNiTWlONFhvUHFQUjdJdjRmeFptaXlnRE5qSmVPdWhkakpsQnFmS3dVSQ?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-06-29/ipsen-to-buy-kartos-therapeutics-for-up-to-1-75-billion*