13F Filings History of MPM ASSET MANAGEMENT LLC

Latest 13F report
Q3 2025 - 14 Nov 2025
Value $
$44,506,160
Signature - Title
Christopher Wolf - Chief Financial Officer
Location
Boston, MA
Summary
This page shows a list of all the recent 13F filings made by MPM ASSET MANAGEMENT LLC. Form 13F is required to be filed within 45 days of the end of a calendar quarter. MPM ASSET MANAGEMENT LLC reported 4 stock holdings with total value $44,506,160 as of Q3 2025. Top holdings included TRDA, DYN, HOWL, and RPTX.

Notify me when MPM ASSET MANAGEMENT LLC files a new 13F portfolio report.

⭐ Subscribe ⭐
Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Filing Time
Q3 2025 4 $44,506,160 $0 -$1,152,880 -$1,152,880 TRDA, DYN, HOWL, RPTX 13F-HR 14 Nov 2025, 16:30
Q2 2025 5 $43,346,216 $0 -$16,476,637 -$16,476,637 TRDA, DYN, HOWL, RPTX, ADAP 13F-HR 14 Aug 2025, 16:45
Q1 2025 6 $69,438,939 +$24,969 -$597,806 -$572,837 TRDA, ITOS, DYN, HOWL, RPTX 13F-HR 15 May 2025, 16:45
Q4 2024 6 $124,399,834 $0 -$1,505,440 -$1,505,440 TRDA, ITOS, DYN, HOWL, ADAP 13F-HR 14 Feb 2025, 16:20
Q3 2024 6 $145,272,770 $0 -$31,577,991 -$31,577,991 TRDA, ITOS, DYN, HOWL, RPTX 13F-HR 12 Nov 2024, 19:25
Q2 2024 6 $182,086,838 $0 -$66,691,289 -$66,691,289 TRDA, DYN, ITOS, HOWL, RPTX 13F-HR 14 Aug 2024, 11:29
Q1 2024 6 $245,154,757 $0 -$46,145,356 -$46,145,356 DYN, TRDA, ITOS, HOWL, RPTX 13F-HR 15 May 2024, 16:24
Q4 2023 7 $203,501,091 +$3,560,356 -$1,842,129 +$1,718,227 TRDA, DYN, ITOS, HOWL, RPTX 13F-HR 13 Feb 2024, 16:06
Q3 2023 7 $186,705,806 $0 -$11,472,958 -$11,472,958 TRDA, DYN, ITOS, RPTX, HOWL 13F-HR 14 Nov 2023, 16:21
Q2 2023 8 $203,918,113 +$5,815,569 -$44,988,029 -$39,172,460 TRDA, DYN, ITOS, RPTX, HOWL Restatement 07 Sep 2023, 16:06
Q1 2023 9 $239,992,126 $0 $0 $0 TRDA, DYN, AMYT, ITOS, RPTX 13F-HR 12 May 2023, 13:00
Q4 2022 9 $239,006,072 $0 $0 $0 TRDA, DYN, ITOS, RPTX, AMYT 13F-HR 14 Feb 2023, 13:04
Q3 2022 9 $262,550,000 $0 -$3,773,000 -$3,773,000 TRDA, DYN, ITOS, RPTX, HOWL 13F-HR 14 Nov 2022, 10:43
Q2 2022 10 $236,983,000 $0 $0 $0 ITOS, TRDA, DYN, RPTX, AMYT 13F-HR 11 Aug 2022, 16:23
Q1 2022 10 $292,569,000 $0 -$4,720,318 -$4,720,318 ITOS, DYN, TRDA, RPTX, AMYT 13F-HR 13 May 2022, 12:10
Q4 2021 10 $462,742,000 +$75,769,000 -$18,867,975 +$56,901,025 ITOS, TRDA, DYN, HOWL, RPTX 13F-HR 11 Feb 2022, 17:28
Q3 2021 9 $431,481,000 +$32,168,856 -$38,008,948 -$5,840,092 ITOS, DYN, HOWL, RPTX, TCRR 13F-HR 12 Nov 2021, 18:18
Q2 2021 9 $537,884,000 +$74,716,000 -$12,895,945 +$61,820,055 DYN, ITOS, HOWL, RPTX, TCRR 13F-HR 13 Aug 2021, 09:26
Q1 2021 8 $517,625,000 $0 -$60,472,548 -$60,472,548 ITOS, TCRR, RPTX, DYN, HARP 13F-HR 13 May 2021, 16:39
Q4 2020 8 $706,647,000 +$92,123,000 -$27,208,000 +$64,915,000 ITOS, TCRR, DYN, RPTX, ONCR 13F-HR 16 Feb 2021, 06:47
Q3 2020 8 $536,268,000 +$191,410,000 -$4,801,400 +$186,608,600 DYN, RPTX, ITOS, TCRR, HARP 13F-HR 13 Nov 2020, 12:05
Q2 2020 6 $336,080,000 +$93,177,000 -$10,039,465 +$83,137,535 RPTX, HARP, TCRR, RYTM, SNDX 13F-HR 12 Aug 2020, 12:19
Q1 2020 5 $164,386,000 $0 -$517,997 -$517,997 HARP, RYTM, TCRR, SNDX, CHMA 13F-HR 13 May 2020, 11:25
Q4 2019 5 $227,210,000 $0 -$15,644,940 -$15,644,940 HARP, TCRR, RYTM, CHMA, SNDX 13F-HR 14 Feb 2020, 11:04
Q3 2019 5 $233,671,000 $0 $0 $0 RYTM, HARP, TCRR, CHMA, SNDX 13F-HR 14 Nov 2019, 10:27
Q2 2019 5 $247,475,000 $0 -$3,562,000 -$3,562,000 RYTM, HARP, TCRR, CHMA, SNDX 13F-HR 14 Aug 2019, 11:18
Q1 2019 7 $242,513,000 +$113,453,000 -$2,232,000 +$111,221,000 RYTM, TCRR, HARP, CHMA, SNDX Restatement 29 May 2019, 10:40
Q4 2018 6 $118,173,000 $0 -$2,142,000 -$2,142,000 RYTM, CHMA, SNDX, CNAT, PRTO 13F-HR 13 Feb 2019, 10:27
Q3 2018 7 $147,685,000 $0 -$117,861,000 -$117,861,000 RYTM, CHMA, SNDX, CNAT, ELGX 13F-HR 14 Nov 2018, 13:00
Q2 2018 9 $258,178,000 +$11,831,922 -$2,947 +$11,828,975 RDUS, RYTM, SNDX, CNAT, CHMA 13F-HR 13 Aug 2018, 10:59
Q1 2018 9 $259,639,000 +$6,154,037 $0 +$6,154,037 RDUS, RYTM, SNDX, CNAT, CHMA 13F-HR 11 May 2018, 11:28
Q4 2017 9 $249,517,000 +$82,556,823 $0 +$82,556,823 RDUS, RYTM, SNDX, CHMA, CNAT 13F-HR 02 Feb 2018, 11:40
Q3 2017 8 $204,928,000 $0 -$84,000 -$84,000 RDUS, SNDX, CHMA, CNAT, ELGX 13F-HR 13 Nov 2017, 09:28
Q2 2017 9 $230,182,000 +$22,000 $0 +$22,000 RDUS, SNDX, CHMA, CNAT, ELGX 13F-HR 09 Aug 2017, 10:19
Q1 2017 8 $207,889,000 +$88,000 -$20,929,000 -$20,841,000 RDUS, SNDX, CHMA, ELGX, CNAT 13F-HR 15 May 2017, 07:51
Q4 2016 8 $211,867,000 $0 $0 $0 RDUS, EPZM, SNDX, CHMA, ELGX 13F-HR 07 Feb 2017, 11:28
Q3 2016 8 $305,291,000 $0 -$120,216,810 -$120,216,810 RDUS, SNDX, EPZM, CHMA, ELGX 13F-HR 10 Nov 2016, 15:06
Q2 2016 14 $308,298,000 +$158,237 -$7,943,621 -$7,785,384 RDUS, SNDX, EPZM, CHMA, ELGX 13F-HR 08 Aug 2016, 10:39
Q1 2016 15 $322,688,000 +$38,334,000 -$24,020,000 +$14,314,000 RDUS, CHMA, SNDX, EPZM, ELGX 13F-HR 11 May 2016, 14:43
Q4 2015 15 $560,375,000 +$1,995,000 -$57,227,995 -$55,232,995 RDUS, CHMA, EPZM, PRTO, PIP 13F-HR 04 Feb 2016, 11:38
Q3 2015 16 $650,050,000 +$112,949,000 -$16,283,402 +$96,665,598 RDUS, CHMA, PTLA, EPZM, PRTO 13F-HR 12 Nov 2015, 11:54
Q2 2015 15 $597,628,000 +$194,000 -$17,737,648 -$17,543,648 RDUS, PTLA, EPZM, PETX, NVRO 13F-HR 29 Jul 2015, 11:48
Q1 2015 15 $324,111 $0 $0 $0 RDUS, NVRO, TRIV, PRTO, PIP 13F-HR 27 Apr 2015, 15:54
Q4 2014 15 $450,281,000 +$36,782,000 -$5,208,672 +$31,573,328 RDUS, EPZM, PETX, PTLA, NVRO 13F-HR 02 Feb 2015, 12:33
Q3 2014 13 $305,577,000 +$1,390,920 -$3,585,000 -$2,194,080 RDUS, EPZM, PTLA, TRIV, PETX 13F-HR 23 Oct 2014, 10:28
Q2 2014 14 $297,255,000 +$103,469,000 -$49,559,101 +$53,909,899 RDUS, EPZM, PTLA, PETX, TRIV 13F-HR 17 Jul 2014, 11:15
Q1 2014 12 $236,264,000 +$13,078,000 -$93,014,601 -$79,936,601 EPZM, PETX, MGNX, PTLA, CLDN 13F-HR 07 May 2014, 17:54
Q4 2013 12 $309,628,000 $0 $0 $0 PETX, PTLA, EPZM, MGNX, PIP 13F-HR 23 Jan 2014, 13:03