Tcg Crossover Management, LLC
· New
Change
+7.9M
Date
Q1 2026
| Investor | Type | Est. change | Change | Δ Own | Date | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Tcg Crossover Management, LLC
· New
Change
+7.9M
Date
Q1 2026
|
Tcg Crossover Management, LLC | New· Q1 2026 | – | +7.9M | – | Q1 2026 | |||||
|
Commodore Capital LP
· New
Change
+6.3M
Date
Q1 2026
|
Commodore Capital LP | New· Q1 2026 | – | +6.3M | – | Q1 2026 | |||||
|
Opaleye Management Inc.
· Added
Change
+3.5M
Date
Q1 2026
|
Opaleye Management Inc. | Added· Q1 2026 | – | +3.5M | – | Q1 2026 | |||||
|
Citadel Advisors LLC
· Added
Change
+3.3M
Δ Own
+1218.5%
Date
Q1 2026
|
Citadel Advisors LLC | Added· Q1 2026 | – | +3.3M | +1218.5% | Q1 2026 | |||||
|
Balyasny Asset Management L.P.
· New
Change
+3.0M
Date
Q1 2026
|
Balyasny Asset Management L.P. | New· Q1 2026 | – | +3.0M | – | Q1 2026 | |||||
|
Affinity Asset Advisors, LLC
· Added
Change
+2.9M
Date
Q1 2026
|
Affinity Asset Advisors, LLC | Added· Q1 2026 | – | +2.9M | – | Q1 2026 | |||||
|
Avidity Partners Management LP
· Added
Change
+2.8M
Date
Q1 2026
|
Avidity Partners Management LP | Added· Q1 2026 | – | +2.8M | – | Q1 2026 | |||||
|
Millennium Management LLC
· Added
Change
+2.6M
Date
Q1 2026
|
Millennium Management LLC | Added· Q1 2026 | – | +2.6M | – | Q1 2026 | |||||
|
Spruce Street Capital LP
· New
Change
+2.6M
Date
Q1 2026
|
Spruce Street Capital LP | New· Q1 2026 | – | +2.6M | – | Q1 2026 | |||||
|
Vanguard
· Added
Change
+2.3M
Date
Q1 2026
|
Vanguard | Added· Q1 2026 | – | +2.3M | – | Q1 2026 | |||||
|
State Street
· Added
Change
+2.0M
Date
Q1 2026
|
State Street | Added· Q1 2026 | – | +2.0M | – | Q1 2026 | |||||
|
Morgan Stanley
· Reduced
Change
−1.5M
Date
Q1 2026
|
Morgan Stanley | Reduced· Q1 2026 | – | −1.5M | – | Q1 2026 | |||||
|
Goldman Sachs Group Inc
· Added
Change
+1.1M
Date
Q1 2026
|
Goldman Sachs Group Inc | Added· Q1 2026 | – | +1.1M | – | Q1 2026 | |||||
|
Yu Fan
· New
Change
+1.1M
Date
Q1 2026
|
Yu Fan | New· Q1 2026 | – | +1.1M | – | Q1 2026 | |||||
|
Ally Bridge Group (ny) LLC
· New
Change
+927K
Date
Q1 2026
|
Ally Bridge Group (ny) LLC | New· Q1 2026 | – | +927K | – | Q1 2026 | |||||
| Insider | Title | Type | Price | Qty | Value | Owned | ΔOwn | Trade date | Filed date | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Martinez Maria E.
· Director
Grant (A)
50K
|
Martinez Maria E. | Director | Grant (A) | – | 50K | – | 50K | – | Mar 2, 2026 | Mar 4, 2026 | |||||||||
|
Morich Frank
· Director
Grant (A)
50K
|
Morich Frank | Director | Grant (A) | – | 50K | – | 50K | – | Mar 2, 2026 | Mar 4, 2026 | |||||||||
|
Williamson Robert F. III
· Director
Grant (A)
50K
|
Williamson Robert F. III | Director | Grant (A) | – | 50K | – | 50K | – | Mar 2, 2026 | Mar 4, 2026 | |||||||||
|
Henson Heidi
· Director
Grant (A)
50K
|
Henson Heidi | Director | Grant (A) | – | 50K | – | 50K | – | Mar 2, 2026 | Mar 4, 2026 | |||||||||
|
Woods Lori A.
· Director
Grant (A)
50K
|
Woods Lori A. | Director | Grant (A) | – | 50K | – | 50K | – | Mar 2, 2026 | Mar 4, 2026 | |||||||||
|
Spoor Johan M.
· Director, Officer
Grant (A)
735K
|
Spoor Johan M. | Director, Officer | Grant (A) | – | 735K | – | 735K | – | Mar 2, 2026 | Mar 4, 2026 | |||||||||
|
Hunt Jonathan Robert
· Officer
Grant (A)
90K
|
Hunt Jonathan Robert | Officer | Grant (A) | – | 90K | – | 90K | – | Mar 2, 2026 | Mar 4, 2026 | |||||||||
|
Puhlmann Markus
· Officer
Grant (A)
150K
|
Puhlmann Markus | Officer | Grant (A) | – | 150K | – | 150K | – | Mar 2, 2026 | Mar 4, 2026 | |||||||||
|
Hunt Jonathan Robert
· Officer
Buy
+$22K
|
Hunt Jonathan Robert | Officer | Buy | $2.03 | +11K | +$22K | 60K | – | Nov 13, 2025 | Nov 17, 2025 | |||||||||
|
Williamson Robert F. III
· Director
Buy
+$20K
|
Williamson Robert F. III | Director | Buy | $2.10 | +9K | +$20K | 10K | – | Nov 12, 2025 | Nov 14, 2025 | |||||||||
|
Sendek Joel
· Officer
Grant (A)
600K
|
Sendek Joel | Officer | Grant (A) | – | 600K | – | 600K | – | Sep 4, 2025 | Sep 5, 2025 | |||||||||
|
Martinez Maria E.
· Director
Grant (A)
75K
|
Martinez Maria E. | Director | Grant (A) | – | 75K | – | 75K | – | Sep 3, 2025 | Sep 5, 2025 | |||||||||
N
A
M
G
A
A
134 reporting institutions disclosed CATX 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.