Activist 13D/13G Filings - Avidity Partners Management LP

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‚Äôs equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares are not 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
What is insider trading>>
Time period
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Reported
DateTime
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportFiling
2024-02-14
10:33 am
Sale
13GKaryopharm Therapeutics Inc.
KPTI
Avidity Partners Management LP11,188,743
9.5%
-192,330decrease
(-1.69%)
View
2024-02-14
06:50 am
Sale
13GKezar Life Sciences, Inc.
KZR
Avidity Partners Management LP5,025,454
6.9%
-1,756,946decrease
(-25.90%)
View
2024-02-14
06:44 am
Sale
13GIDEAYA Biosciences, Inc.
IDYA
Avidity Partners Management LP1,520,000
2.4%
-2,304,800decrease
(-60.26%)
View
2024-02-14
06:37 am
Sale
13GAltimmune, Inc.
ALT
Avidity Partners Management LP0
0%
-3,990,000decrease
(Position Closed)
View
2024-02-13
9:44 pm
Sale
13GSyndax Pharmaceuticals, Inc.
SNDX
Avidity Partners Management LP3,950,000
4.7%
-2,768,142decrease
(-41.20%)
View
2024-02-13
9:40 pm
Sale
13GAkero Therapeutics, Inc.
AKRO
Avidity Partners Management LP235,000
0.4%
-3,590,000decrease
(-93.86%)
View
2024-02-13
9:34 pm
Sale
13GFusion Pharmaceuticals Inc.
FUSN
Avidity Partners Management LP6,500,328
8.1%
-324,122decrease
(-4.75%)
View
2024-02-13
9:18 pm
Sale
13GNanoString Technologies, Inc.
NSTG
Avidity Partners Management LP0
0%
-2,950,000decrease
(Position Closed)
View
2024-02-13
8:41 pm
Purchase
13GSCYNEXIS, Inc.
SCYX
Avidity Partners Management LP4,105,210
9.9%
480,687increase
(+13.26%)
View
2024-02-13
8:22 pm
Purchase
13GSyros Pharmaceuticals, Inc.
SYRS
Avidity Partners Management LP2,662,206
9.9%
472,487increase
(+21.58%)
View
2024-02-13
8:14 pm
Unchanged
13GArvinas, Inc.
ARVN
Avidity Partners Management LP2,985,117
4.4%
0
(Unchanged)
View
2024-02-13
7:49 pm
Sale
13GProthena Corporation plc
PRTA
Avidity Partners Management LP0
0%
-2,953,000decrease
(Position Closed)
View
2024-02-13
7:43 pm
Sale
13GZentalis Pharmaceuticals, Inc.
ZNTL
Avidity Partners Management LP0
0%
-5,150,000decrease
(Position Closed)
View
2024-02-13
7:18 pm
Sale
13GArvinas, Inc.
ARVN
Avidity Partners Management LP2,985,117
4.4%
-1,964,883decrease
(-39.69%)
View
2024-02-13
7:14 pm
Sale
13GCyteir Therapeutics, Inc.
CYT
Avidity Partners Management LP0
0%
-1,795,800decrease
(Position Closed)
View
2024-02-13
7:08 pm
Sale
13GPraxis Precision Medicines, Inc.
PRAX
Avidity Partners Management LP0
0%
-4,100,000decrease
(Position Closed)
View
2024-01-31
12:11 pm
Purchase
13DDianthus Therapeutics, Inc.
DNTH
Avidity Partners Management LP2,922,823
9.9%
2,922,823increase
(New Position)
View
2024-01-16
4:12 pm
Purchase
13GImmunic, Inc.
IMUX
Avidity Partners Management LP8,899,418
9.9%
8,899,418increase
(New Position)
View
2024-01-08
4:18 pm
Purchase
13GCaribou Biosciences, Inc.
CRBU
Avidity Partners Management LP6,360,212
7.2%
6,360,212increase
(New Position)
View
2023-10-23
5:20 pm
Purchase
13GFusion Pharmaceuticals Inc.
FUSN
Avidity Partners Management LP6,824,450
9.7%
6,824,450increase
(New Position)
View
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