RTW Investments, LP - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-02-25
4:28 pm
Purchase
2026-02-2313DOrchestra BioMed Holdings, Inc.
OBIO
RTW Investments, LP11,942,426
19.700%
3,636,363increase
(+43.78%)
Filing
History
2026-02-17
08:56 am
Purchase
2025-12-3113GZai Lab Limited
ZLAB
RTW Investments, LP69,590,320
6.300%
46,676,600increase
(+203.71%)
Filing
History
2026-02-17
08:54 am
Purchase
2025-12-3113GVerastem, Inc.
VSTM
RTW Investments, LP7,836,346
9.900%
2,209,543increase
(+39.27%)
Filing
History
2026-02-17
08:52 am
Sale
2025-12-3113GuniQure N.V.
QURE
RTW Investments, LP3,711,462
6.000%
-713,506decrease
(-16.12%)
Filing
History
2026-02-17
08:51 am
Purchase
2025-12-3113GTenax Therapeutics, Inc.
TENX
RTW Investments, LP650,968
9.900%
232,528increase
(+55.57%)
Filing
History
2026-02-17
08:49 am
Sale
2025-12-3113GTaysha Gene Therapies, Inc.
TSHA
RTW Investments, LP23,407,133
8.300%
-1,776,154decrease
(-7.05%)
Filing
History
2026-02-17
08:47 am
Purchase
2025-12-3113GSAB Biotherapeutics, Inc.
SABS
RTW Investments, LP1,587,302
3.200%
562,967increase
(+54.96%)
Filing
History
2026-02-17
08:45 am
Purchase
2025-12-3113GRAPT Therapeutics, Inc.
RAPT
RTW Investments, LP1,637,165
5.900%
1,637,165increase
(New Position)
Filing
History
2026-02-17
08:43 am
Purchase
2025-12-3113GRadNet, Inc.
RDNT
RTW Investments, LP3,938,500
5.100%
3,938,500increase
(New Position)
Filing
History
2026-02-17
08:41 am
Sale
2025-12-3113GProtagonist Therapeutics, Inc.
PTGX
RTW Investments, LP5,059,053
8.100%
-256,461decrease
(-4.82%)
Filing
History
2026-02-17
08:39 am
Purchase
2025-12-3113GOruka Therapeutics, Inc.
ORKA
RTW Investments, LP2,058,148
4.300%
112,499increase
(+5.78%)
Filing
History
2026-02-17
08:37 am
Purchase
2025-12-3113GKalaris Therapeutics Inc
KLRS
RTW Investments, LP1,300,000
5.700%
1,300,000increase
(New Position)
Filing
History
2026-02-17
08:35 am
Purchase
2025-12-3113GImmatics N.V.
IMTX
RTW Investments, LP11,433,354
8.500%
2,617,737increase
(+29.69%)
Filing
History
2026-02-17
08:33 am
Sale
2025-12-3113GExagen Inc.
XGN
RTW Investments, LP1,148,768
4.900%
-548,098decrease
(-32.30%)
Filing
History
2026-02-17
08:31 am
Purchase
2025-12-3113GCastle Biosciences, Inc.
CSTL
RTW Investments, LP2,115,237
7.200%
2,115,237increase
(New Position)
Filing
History
2026-02-17
08:29 am
Sale
2025-12-3113GBeta Bionics, Inc.
BBNX
RTW Investments, LP2,500,000
5.700%
-799,869decrease
(-24.24%)
Filing
History
2026-02-17
08:27 am
Unchanged
2025-12-3113GApogee Therapeutics, Inc.
APGE
RTW Investments, LP2,712,097
4.900%
0
(Unchanged)
Filing
History
2026-02-17
08:25 am
Purchase
2025-12-3113GApellis Pharmaceuticals, Inc.
APLS
RTW Investments, LP7,666,764
6.100%
7,666,764increase
(New Position)
Filing
History
2026-02-17
08:23 am
Sale
2025-12-3113GAlector, Inc.
ALEC
RTW Investments, LP0
0.000%
-6,990,806decrease
(Position Closed)
Filing
History
2026-02-17
08:20 am
Sale
2025-12-3113GAkero Therapeutics, Inc.
AKRO
RTW Investments, LP0
0.000%
-5,873,308decrease
(Position Closed)
Filing
History
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