Deerfield Management Company, L.P.
· Added
+$84M
Change
+1.2M
Date
Q1 2026
IN
| Investor | Type | Est. change | Change | Δ Own | Date | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Deerfield Management Company, L.P.
· Added
+$84M
Change
+1.2M
Date
Q1 2026
|
Deerfield Management Company, L.P. | Added· Q1 2026 | +$84M | +1.2M | – | Q1 2026 | |||||
|
Fuller & Thaler Asset Management, Inc.
· Exited
−$47M
Change
−668K
Δ Own
−100.0%
Date
Q1 2026
|
Fuller & Thaler Asset Management, Inc. | Exited· Q1 2026 | −$47M | −668K | −100.0% | Q1 2026 | |||||
|
Janus Henderson Group PLC
· Reduced
−$38M
Change
−549K
Date
Q1 2026
|
Janus Henderson Group PLC | Reduced· Q1 2026 | −$38M | −549K | – | Q1 2026 | |||||
|
Vestal Point Capital, LP
· New
+$38M
Change
+539K
Date
Q1 2026
|
Vestal Point Capital, LP | New· Q1 2026 | +$38M | +539K | – | Q1 2026 | |||||
|
Marshall Wace, LLP
· Exited
−$37M
Change
−531K
Δ Own
−100.0%
Date
Q1 2026
|
Marshall Wace, LLP | Exited· Q1 2026 | −$37M | −531K | −100.0% | Q1 2026 | |||||
|
Eventide Asset Management, LLC
· Exited
−$31M
Change
−440K
Δ Own
−100.0%
Date
Q1 2026
|
Eventide Asset Management, LLC | Exited· Q1 2026 | −$31M | −440K | −100.0% | Q1 2026 | |||||
|
Adar1 Capital Management, LLC
· Added
+$27M
Change
+390K
Date
Q1 2026
|
Adar1 Capital Management, LLC | Added· Q1 2026 | +$27M | +390K | – | Q1 2026 | |||||
|
Goldman Sachs Group Inc
· Added
+$27M
Change
+379K
Date
Q1 2026
|
Goldman Sachs Group Inc | Added· Q1 2026 | +$27M | +379K | – | Q1 2026 | |||||
|
Driehaus Capital Management LLC
· Exited
−$24M
Change
−348K
Δ Own
−100.0%
Date
Q1 2026
|
Driehaus Capital Management LLC | Exited· Q1 2026 | −$24M | −348K | −100.0% | Q1 2026 | |||||
|
Wellington Management Group LLP
· Added
+$23M
Change
+325K
Δ Own
+14.7%
Date
Q1 2026
|
Wellington Management Group LLP | Added· Q1 2026 | +$23M | +325K | +14.7% | Q1 2026 | |||||
|
AQR Capital Management LLC
· Added
+$20M
Change
+282K
Date
Q1 2026
|
AQR Capital Management LLC | Added· Q1 2026 | +$20M | +282K | – | Q1 2026 | |||||
|
Walleye Capital LLC
· Added
+$20M
Change
+280K
Date
Q1 2026
|
Walleye Capital LLC | Added· Q1 2026 | +$20M | +280K | – | Q1 2026 | |||||
|
Jane Street Group, LLC
· Exited
−$19M
Change
−277K
Δ Own
−100.0%
Date
Q1 2026
|
Jane Street Group, LLC | Exited· Q1 2026 | −$19M | −277K | −100.0% | Q1 2026 | |||||
|
Soleus Capital Management, L.P.
· Added
+$19M
Change
+277K
Date
Q1 2026
|
Soleus Capital Management, L.P. | Added· Q1 2026 | +$19M | +277K | – | Q1 2026 | |||||
|
Assenagon Asset Management S.A.
· Added
+$18M
Change
+255K
Date
Q1 2026
|
Assenagon Asset Management S.A. | Added· Q1 2026 | +$18M | +255K | – | Q1 2026 | |||||
| Insider | Title | Type | Price | Qty | Value | Owned | ΔOwn | Trade date | Filed date | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Melenikiotou Georgia
· Director
Grant (A)
344
|
Melenikiotou Georgia | Director | Grant (A) | – | 344 | – | 8K | +4.3% | Jul 15, 2026 | Jul 17, 2026 | |||||||||
|
Tansey Casey M.
· Director
Grant (A)
346
|
Tansey Casey M. | Director | Grant (A) | – | 346 | – | 27K | +1.3% | Jul 15, 2026 | Jul 17, 2026 | |||||||||
|
Ellis Gary Lee
· Director
Grant (A)
581
|
Ellis Gary Lee | Director | Grant (A) | – | 581 | – | 11K | +5.4% | Jul 15, 2026 | Jul 17, 2026 | |||||||||
|
Broader Shelley G.
· Director
Grant (A)
383
|
Broader Shelley G. | Director | Grant (A) | – | 383 | – | 9K | +4.5% | Jul 15, 2026 | Jul 17, 2026 | |||||||||
|
Rondoni John
· Officer
Sell
−$114K
|
Rondoni John | Officer | Sell | $43.28 | −3K | −$114K | 27K | – | May 15, 2026 | May 19, 2026 | |||||||||
|
Rondoni John
· Officer
Sell
−$30K
|
Rondoni John | Officer | Sell | $43.01 | −700 | −$30K | 30K | – | May 14, 2026 | May 15, 2026 | |||||||||
|
McCormick Shawn
· Director
Sell
−$32K
|
McCormick Shawn | Director | Sell | $45.31 | −696 | −$32K | 28K | – | May 8, 2026 | May 11, 2026 | |||||||||
|
Melenikiotou Georgia
· Director
Tax withholding or exercise payment (F)
-$3K
|
Melenikiotou Georgia | Director | Tax withholding or exercise payment (F) | $56.70 | -50 | -$3K | 8K | – | May 1, 2026 | May 4, 2026 | |||||||||
|
Ellis Gary Lee
· Director
Grant (A)
4K
|
Ellis Gary Lee | Director | Grant (A) | – | 4K | – | 11K | – | Apr 30, 2026 | May 4, 2026 | |||||||||
|
Mead Dana G. Jr
· Director
Grant (A)
4K
|
Mead Dana G. Jr | Director | Grant (A) | – | 4K | – | 26K | – | Apr 30, 2026 | May 4, 2026 | |||||||||
|
Tansey Casey M.
· Director
Grant (A)
4K
|
Tansey Casey M. | Director | Grant (A) | – | 4K | – | 26K | – | Apr 30, 2026 | May 4, 2026 | |||||||||
|
Curet Myriam
· Director
Grant (A)
4K
|
Curet Myriam | Director | Grant (A) | – | 4K | – | 7K | – | Apr 30, 2026 | May 4, 2026 | |||||||||
|
Burks Cynthia
· Director
Grant (A)
4K
|
Burks Cynthia | Director | Grant (A) | – | 4K | – | 6K | – | Apr 30, 2026 | May 4, 2026 | |||||||||
|
Broader Shelley G.
· Director
Grant (A)
4K
|
Broader Shelley G. | Director | Grant (A) | – | 4K | – | 8K | – | Apr 30, 2026 | May 4, 2026 | |||||||||
|
McCormick Shawn
· Director
Grant (A)
4K
|
McCormick Shawn | Director | Grant (A) | – | 4K | – | 28K | – | Apr 30, 2026 | May 4, 2026 | |||||||||
N
M
A
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G
A
355 reporting institutions disclosed INSP 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.