Westfield Capital Management Company, L.P. - 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
Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2026-02-11
10:57 am
Purchase
2025-12-3113GBicycle Therapeutics plc
BCYC
Westfield Capital Management Company, L.P.3,016,026
6.040%
405,689increase
(+15.54%)
Filing
History
2026-02-11
10:57 am
Sale
2025-12-3113GAscendis Pharma A/S
ASND
Westfield Capital Management Company, L.P.5,185,696
8.480%
-342,543decrease
(-6.20%)
Filing
History
2025-03-05
2:16 pm
Sale
2025-02-2813GFlywire Corporation
FLYW
Westfield Capital Management Company, L.P.0
0.000%
-6,516,044decrease
(Position Closed)
Filing
History
2025-02-11
09:15 am
Purchase
2024-12-3113GAscendis Pharma A/S
ASND
Westfield Capital Management Company, L.P.5,528,239
9.180%
1,453,025increase
(+35.66%)
Filing
History
2025-02-11
09:12 am
Sale
2024-12-3113GInnoviva, Inc.
INVA
Westfield Capital Management Company, L.P.0
0.000%
-4,106,136decrease
(Position Closed)
Filing
History
2025-02-11
09:11 am
Purchase
2024-12-3113GFlywire Corporation
FLYW
Westfield Capital Management Company, L.P.6,516,044
5.320%
6,516,044increase
(New Position)
Filing
History
2025-02-11
09:09 am
Purchase
2024-12-3113GBicycle Therapeutics plc
BCYC
Westfield Capital Management Company, L.P.2,610,337
5.490%
2,610,337increase
(New Position)
Filing
History
2025-02-10
5:13 pm
Purchase
2024-12-3113GAscendis Pharma A/S
ASND
Westfield Capital Management Company, L.P.4,075,214
9.180%
44,580increase
(+1.11%)
Filing
History
2024-08-05
1:02 pm
Sale
2024-08-0513GMural Oncology plc
MURA
Westfield Capital Management Company, L.P.0
0.000%
-743,495decrease
(Position Closed)
Filing
History
2024-07-08
9:42 pm
Sale
2024-06-2813GMural Oncology plc
MURA
Westfield Capital Management Company, L.P.743,495
4.390%
-577,052decrease
(-43.70%)
Filing
History
2024-05-08
1:49 pm
Sale
2024-04-3013GMural Oncology plc
MURA
Westfield Capital Management Company, L.P.1,320,547
7.810%
-227,871decrease
(-14.72%)
Filing
History
2024-04-04
8:56 pm
Sale
2024-03-2913GMural Oncology plc
MURA
Westfield Capital Management Company, L.P.1,548,418
9.150%
-437,468decrease
(-22.03%)
Filing
History
2024-02-02
1:18 pm
Purchase
2023-12-2913GAscendis Pharma A/S
ASND
Westfield Capital Management Company, L.P.4,030,634
7.050%
872,466increase
(+27.63%)
Filing
History
2024-01-09
8:17 pm
Purchase
2023-12-2913GMural Oncology plc
MURA
Westfield Capital Management Company, L.P.1,985,886
11.900%
1,985,886increase
(New Position)
Filing
History
2023-07-05
12:01 pm
Sale
2023-06-3013GIronwood Pharmaceuticals, Inc.
IRWD
Westfield Capital Management Company, L.P.0
0.000%
-8,145,674decrease
(Position Closed)
Filing
History
2023-02-01
7:39 pm
Purchase
2022-12-3013GInnoviva, Inc.
INVA
Westfield Capital Management Company, L.P.4,106,136
5.880%
422,651increase
(+11.47%)
Filing
History
2023-02-01
7:36 pm
Purchase
2022-12-3013GAscendis Pharma A/S
ASND
Westfield Capital Management Company, L.P.3,158,168
5.540%
3,158,168increase
(New Position)
Filing
History
2022-02-01
1:48 pm
Purchase
2021-12-3113GInnoviva, Inc.
INVA
Westfield Capital Management Company, L.P.3,683,485
5.300%
3,683,485increase
(New Position)
Filing
History
2022-02-01
1:23 pm
Sale
2021-12-3113GIronwood Pharmaceuticals, Inc.
IRWD
Westfield Capital Management Company, L.P.8,145,674
4.980%
-342,368decrease
(-4.03%)
Filing
History
2021-07-02
4:01 pm
Sale
2021-06-3013GRush Enterprises, Inc.
RUSHA
Westfield Capital Management Company, L.P.0
0.000%
-1,872,520decrease
(Position Closed)
Filing
History