Cormorant Asset Management, LP
· Exited
Change
−4.0M
Δ Own
−100.0%
Date
Q1 2026
| Investor | Type | Est. change | Change | Δ Own | Date | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Cormorant Asset Management, LP
· Exited
Change
−4.0M
Δ Own
−100.0%
Date
Q1 2026
|
Cormorant Asset Management, LP | Exited· Q1 2026 | – | −4.0M | −100.0% | Q1 2026 | |||||
|
Siren, L.L.C.
· Added
Change
+1.9M
Date
Q1 2026
|
Siren, L.L.C. | Added· Q1 2026 | – | +1.9M | – | Q1 2026 | |||||
|
Janus Henderson Group PLC
· Exited
Change
−1.9M
Δ Own
−100.0%
Date
Q1 2026
|
Janus Henderson Group PLC | Exited· Q1 2026 | – | −1.9M | −100.0% | Q1 2026 | |||||
|
Balyasny Asset Management L.P.
· New
Change
+1.1M
Date
Q1 2026
|
Balyasny Asset Management L.P. | New· Q1 2026 | – | +1.1M | – | Q1 2026 | |||||
|
Vestal Point Capital, LP
· Added
Change
+1.1M
Date
Q1 2026
|
Vestal Point Capital, LP | Added· Q1 2026 | – | +1.1M | – | Q1 2026 | |||||
|
Blue Owl Capital Holdings LP
· Added
Change
+1.1M
Date
Q1 2026
|
Blue Owl Capital Holdings LP | Added· Q1 2026 | – | +1.1M | – | Q1 2026 | |||||
|
Eventide Asset Management, LLC
· Exited
Change
−950K
Δ Own
−100.0%
Date
Q1 2026
|
Eventide Asset Management, LLC | Exited· Q1 2026 | – | −950K | −100.0% | Q1 2026 | |||||
|
Braidwell LP
· Reduced
Change
−674K
Date
Q1 2026
|
Braidwell LP | Reduced· Q1 2026 | – | −674K | – | Q1 2026 | |||||
|
Morgan Stanley
· Reduced
Change
−632K
Date
Q1 2026
|
Morgan Stanley | Reduced· Q1 2026 | – | −632K | – | Q1 2026 | |||||
|
Millennium Management LLC
· Reduced
Change
−540K
Date
Q1 2026
|
Millennium Management LLC | Reduced· Q1 2026 | – | −540K | – | Q1 2026 | |||||
|
Point72 Asset Management, L.P.
· Reduced
Change
−388K
Δ Own
−69.1%
Date
Q1 2026
|
Point72 Asset Management, L.P. | Reduced· Q1 2026 | – | −388K | −69.1% | Q1 2026 | |||||
|
Kennedy Capital Management LLC
· Added
Change
+349K
Date
Q1 2026
|
Kennedy Capital Management LLC | Added· Q1 2026 | – | +349K | – | Q1 2026 | |||||
|
Birchview Capital, LP
· New
Change
+250K
Date
Q1 2026
|
Birchview Capital, LP | New· Q1 2026 | – | +250K | – | Q1 2026 | |||||
|
FMR LLC
· New
Change
+232K
Date
Q1 2026
|
FMR LLC | New· Q1 2026 | – | +232K | – | Q1 2026 | |||||
|
Nextech Invest, Ltd.
· Added
Change
+200K
Date
Q1 2026
|
Nextech Invest, Ltd. | Added· Q1 2026 | – | +200K | – | Q1 2026 | |||||
| Insider | Title | Type | Price | Qty | Value | Owned | ΔOwn | Trade date | Filed date | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Astley-Sparke Philip
· Director
Grant (A)
31K
|
Astley-Sparke Philip | Director | Grant (A) | – | 31K | – | 31K | – | Jun 16, 2026 | Jun 17, 2026 | |||||||||
|
Brunk Gerald A.
· Director
Grant (A)
31K
|
Brunk Gerald A. | Director | Grant (A) | – | 31K | – | 31K | – | Jun 16, 2026 | Jun 17, 2026 | |||||||||
|
Glickman Richard M.
· Director
Grant (A)
31K
|
Glickman Richard M. | Director | Grant (A) | – | 31K | – | 31K | – | Jun 16, 2026 | Jun 17, 2026 | |||||||||
|
Grossman William
· Director
2 operations
231K
|
Grossman William | Director | 2 operations | – | 231K | – | 200K | – | Jun 16, 2026 | Jun 17, 2026 | |||||||||
|
Hastings Paul J.
· Director
Grant (A)
31K
|
Hastings Paul J. | Director | Grant (A) | – | 31K | – | 31K | – | Jun 16, 2026 | Jun 17, 2026 | |||||||||
|
Heffernan Michael Thomas
· Director
Grant (A)
31K
|
Heffernan Michael Thomas | Director | Grant (A) | – | 31K | – | 31K | – | Jun 16, 2026 | Jun 17, 2026 | |||||||||
|
Joustra Wouter
· Director
Grant (A)
31K
|
Joustra Wouter | Director | Grant (A) | – | 31K | – | 31K | – | Jun 16, 2026 | Jun 17, 2026 | |||||||||
|
Zoth Lota S.
· Director
Grant (A)
31K
|
Zoth Lota S. | Director | Grant (A) | – | 31K | – | 31K | – | Jun 16, 2026 | Jun 17, 2026 | |||||||||
|
Cheung Anthony Tzeyew
· Officer
Grant (A)
195K
|
Cheung Anthony Tzeyew | Officer | Grant (A) | – | 195K | – | 195K | – | Jan 30, 2026 | Feb 3, 2026 | |||||||||
|
Giguere Lee
· Officer
Grant (A)
195K
|
Giguere Lee | Officer | Grant (A) | – | 195K | – | 195K | – | Jan 30, 2026 | Feb 3, 2026 | |||||||||
|
Nichols Alexander Julian
· Officer
Grant (A)
195K
|
Nichols Alexander Julian | Officer | Grant (A) | – | 195K | – | 195K | – | Jan 30, 2026 | Feb 3, 2026 | |||||||||
|
Daws D. Ryan
· Officer
Grant (A)
220K
|
Daws D. Ryan | Officer | Grant (A) | – | 220K | – | 220K | – | Jan 30, 2026 | Feb 3, 2026 | |||||||||
|
Cooper Ronald Harold Wilfred
· Director, Officer
Grant (A)
801K
|
Cooper Ronald Harold Wilfred | Director, Officer | Grant (A) | – | 801K | – | 801K | – | Jan 30, 2026 | Feb 3, 2026 | |||||||||
|
Connolly Joan
· Officer
Grant (A)
195K
|
Connolly Joan | Officer | Grant (A) | – | 195K | – | 195K | – | Jan 30, 2026 | Feb 3, 2026 | |||||||||
|
Boyd Matthew Ross
· Officer
Grant (A)
195K
|
Boyd Matthew Ross | Officer | Grant (A) | – | 195K | – | 195K | – | Jan 30, 2026 | Feb 3, 2026 | |||||||||
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54 reporting institutions disclosed ENGN position changes in the Q1 2026 snapshot.
For each manager, WhoBought compares accepted consecutive 13F share counts. Share change is current shares minus prior shares. Estimated dollar change is that signed share change multiplied by the split-adjusted quarter-mean close. The activity table on this page uses Q1 2026.
An investor crossing 5% of a share class generally files Schedule 13D for activist intent or Schedule 13G for a passive position. The technical form names appear here rather than in the activity rows.
Ownership and institutional activity come from SEC Form 13F filings. Insider activity comes from SEC Form 4, and large-shareholder activity from SEC Schedules 13D and 13G. FMP supplies price data only. Company logos use the local verified Parqet cache with one shared fallback.
Form 13F is a quarterly disclosure and is normally filed after the quarter ends. Every ownership and activity value therefore names its represented period; it is not presented as a live position.
A muted dash marks a missing table value. It means the filing omitted the value, comparable data is unavailable, or no prior position exists for comparison.