Fairmount Funds Management LLC - 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
2026-10-09
5:00 pm
Purchase
2026-10-0713DSPYRE THERAPEUTICS, INC
SYRE
Fairmount Funds Management LLC10,185,961
9.990%
518,760increase
(+5.37%)
Filing
History
2026-09-11
5:25 pm
Purchase
2026-09-0813DKORSANA BIOSCIENCES, INC
KRSA
Fairmount Funds Management LLC9,106,420
19.990%
9,106,420increase
(New Position)
Filing
History
2026-09-03
5:31 pm
Sale
2026-09-0313DAPOGEE THERAPEUTICS INC
APGE
Fairmount Funds Management LLC0
0.000%
-6,808,789decrease
(Position Closed)
Filing
History
2026-07-20
5:30 pm
Purchase
2026-07-1613DCRESCENT BIOPHARMA, INC
CBIO
Fairmount Funds Management LLC6,602,408
16.520%
958,926increase
(+16.99%)
Filing
History
2026-07-01
9:30 pm
Purchase
2026-07-0113DORUKA THERAPEUTICS INC
ORKA
Fairmount Funds Management LLC14,572,917
19.500%
907,837increase
(+6.64%)
Filing
History
2026-06-23
9:45 pm
Purchase
2026-06-2313DSPYRE THERAPEUTICS, INC
SYRE
Fairmount Funds Management LLC9,667,201
9.990%
650,499increase
(+7.21%)
Filing
History
2026-06-23
5:00 pm
Purchase
2026-06-1813DAPOGEE THERAPEUTICS INC
APGE
Fairmount Funds Management LLC6,808,789
9.990%
43,815increase
(+0.65%)
Filing
History
2026-06-09
5:30 pm
Purchase
2026-06-0513DJADE BIOSCIENCES, INC.
JBIO
Fairmount Funds Management LLC14,069,494
19.990%
3,715,619increase
(+35.89%)
Filing
History
2026-05-15
4:31 pm
Sale
2026-03-3113GENLIVEN THERAPEUTICS INC
ELVN
Fairmount Funds Management LLC1,855,644
3.100%
-1,855,800decrease
(-50.00%)
Filing
History
2026-05-13
4:30 pm
Purchase
2026-05-1113DVIRIDIAN THERAPEUTICS INC
VRDN
Fairmount Funds Management LLC17,201,800
14.040%
1,176,470increase
(+7.34%)
Filing
History
2026-05-04
6:00 pm
Purchase
2026-04-3013DORUKA THERAPEUTICS INC
ORKA
Fairmount Funds Management LLC13,665,080
19.990%
2,502,339increase
(+22.42%)
Filing
History
2026-04-20
6:00 pm
Purchase
2026-04-1613DSPYRE THERAPEUTICS, INC
SYRE
Fairmount Funds Management LLC9,016,702
9.990%
909,820increase
(+11.22%)
Filing
History
2026-03-31
9:30 pm
Sale
2026-03-3113DCOGENT BIOSCIENCES INC
COGT
Fairmount Funds Management LLC15,356,918
8.600%
-905,000decrease
(-5.57%)
Filing
History
2026-03-27
5:30 pm
Purchase
2026-03-2613DAPOGEE THERAPEUTICS INC
APGE
Fairmount Funds Management LLC6,764,974
9.990%
717,947increase
(+11.87%)
Filing
History
2026-02-17
4:30 pm
Purchase
2025-12-3113GINHIBIKASE THERAPEUTICS INC CO
IKT
Fairmount Funds Management LLC12,461,101
9.900%
5,442,526increase
(+77.54%)
Filing
History
2026-02-11
6:11 pm
Purchase
2026-02-0913DDAMORA THERAPEUTICS, INC
DMRA
Fairmount Funds Management LLC8,713,000
19.990%
8,316,000increase
(+2094.71%)
Filing
History
2026-01-22
8:02 pm
Purchase
2026-01-2213DCOGENT BIOSCIENCES INC
COGT
Fairmount Funds Management LLC16,261,918
9.900%
384,500increase
(+2.42%)
Filing
History
2026-01-22
8:00 pm
Purchase
2026-01-2213DAPOGEE THERAPEUTICS INC
APGE
Fairmount Funds Management LLC6,047,027
9.990%
270,146increase
(+4.68%)
Filing
History
2025-12-08
4:30 pm
Purchase
2025-12-0413DCRESCENT BIOPHARMA, INC
CBIO
Fairmount Funds Management LLC5,643,482
18.530%
2,519,262increase
(+80.64%)
Filing
History
2025-11-25
9:00 pm
Sale
2025-11-2113DDIANTHUS THERAPEUTICS INC
DNTH
Fairmount Funds Management LLC2,139,635
4.900%
-1,912,417decrease
(-47.20%)
Filing
History
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