Avidity Partners Management 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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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-05-12
3:07 pm
Sale
2026-03-3113GCONTEXT THERAPEUTICS INC
CNTX
Avidity Partners Management LP8,302,808
8.700%
-897,772decrease
(-9.76%)
Filing
History
2026-04-17
10:13 am
Purchase
2026-02-1713GIMMUNIC INC
IMUX
Avidity Partners Management LP1,395,841
9.900%
925,900increase
(+197.02%)
Filing
History
2026-03-10
8:36 pm
Purchase
2026-02-2013GPERSPECTIVE THERAPEUTICS INC C
CATX
Avidity Partners Management LP6,049,999
5.300%
3,208,975increase
(+112.95%)
Filing
History
2026-02-17
10:19 am
Sale
2025-12-3113GSCYNEXIS INC
SCYX
Avidity Partners Management LP553,321
9.900%
-11,274decrease
(-2.00%)
Filing
History
2025-11-19
9:15 pm
Sale
2025-11-1713DDIANTHUS THERAPEUTICS INC
DNTH
Avidity Partners Management LP2,104,184
4.900%
-1,274,755decrease
(-37.73%)
Filing
History
2025-11-14
4:27 pm
Purchase
2025-09-3013GCONTEXT THERAPEUTICS INC
CNTX
Avidity Partners Management LP9,200,580
9.900%
74,404increase
(+0.82%)
Filing
History
2025-11-14
2:27 pm
Purchase
2025-09-3013GSCYNEXIS INC
SCYX
Avidity Partners Management LP564,595
9.900%
38,111increase
(+7.24%)
Filing
History
2025-11-14
1:39 pm
Sale
2025-09-3013GIMMUNIC INC
IMUX
Avidity Partners Management LP469,941
4.800%
-91,640decrease
(-16.32%)
Filing
History
2025-11-14
1:33 pm
Sale
2025-09-3013GKEZAR LIFE SCIENCES INC NE
KZR
Avidity Partners Management LP0
0.000%
-502,600decrease
(Position Closed)
Filing
History
2025-08-14
2:37 pm
Sale
2025-06-3013GIMMUNIC INC
IMUX
Avidity Partners Management LP561,581
5.900%
-42,525decrease
(-7.04%)
Filing
History
2025-08-14
2:28 pm
Purchase
2025-06-3013GCONTEXT THERAPEUTICS INC
CNTX
Avidity Partners Management LP9,126,176
9.900%
1,349,880increase
(+17.36%)
Filing
History
2025-05-15
2:07 pm
Sale
2025-03-3113GIMMUNIC INC
IMUX
Avidity Partners Management LP604,106
6.600%
-298,130decrease
(-33.04%)
Filing
History
2025-03-19
9:30 pm
Purchase
2025-03-1713DDIANTHUS THERAPEUTICS INC
DNTH
Avidity Partners Management LP3,378,939
9.900%
448,689increase
(+15.31%)
Filing
History
2025-02-14
10:42 am
Purchase
2024-12-3113GKEZAR LIFE SCIENCES INC
KZR
Avidity Partners Management LP502,600
6.900%
55increase
(+0.01%)
Filing
History
2025-02-14
10:26 am
Sale
2024-12-3113GPERSPECTIVE THERAPEUTICS INC C
CATX
Avidity Partners Management LP2,841,024
4.200%
-749,402decrease
(-20.87%)
Filing
History
2025-02-14
10:21 am
Purchase
2024-12-3113GSCYNEXIS INC
SCYX
Avidity Partners Management LP526,484
9.900%
4,334increase
(+0.83%)
Filing
History
2025-02-14
10:16 am
Purchase
2024-12-3113GIMMUNIC INC
IMUX
Avidity Partners Management LP902,236
9.900%
3,292increase
(+0.37%)
Filing
History
2025-02-14
10:10 am
Sale
2024-12-3113GSYROS PHARMACEUTICALS INC
SYRS
Avidity Partners Management LP2,048,020
7.600%
-809,553decrease
(-28.33%)
Filing
History
2025-02-14
10:02 am
Unchanged
2024-12-3113GCONTEXT THERAPEUTICS INC
CNTX
Avidity Partners Management LP7,776,296
9.900%
0
(Unchanged)
Filing
History
2024-12-03
9:19 pm
Purchase
2024-11-2913DDIANTHUS THERAPEUTICS INC
DNTH
Avidity Partners Management LP2,930,250
9.900%
7,427increase
(+0.25%)
Filing
History
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