13F Filings History of MPM ASSET MANAGEMENT LLC

13F snapshot Latest parsed holdings, value, and filing-period context. 1 signal
Form 13F summary
  • MPM ASSET MANAGEMENT LLC Form 13F history summarizes parsed U.S.-listed equity disclosures for this manager.
  • Form 13F is generally due within 45 days after each calendar quarter ends.
  • MPM ASSET MANAGEMENT LLC reported 4 equity holdings with a total reported market value of $44,506,160 for Q3 2025. Top reported holdings included TRDA, DYN, HOWL, and RPTX.
Manager Names, identifiers, and filing context for this profile. 2 identity fields
Manager signature
Christopher Wolf - Chief Financial Officer
Manager location
Boston, MA

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Holdings Value

Form 13F evidence

Quarterly portfolio filings

SEC-reported 13F quarters for this filer, ordered by the latest accepted filing.

Latest quarter
Q3 2025
Latest value
$44,506,160
Quarter delta
+$1,159,944
Accepted
14 Nov 2025, 16:30
Rows shown
1-25 of 48
Quarter Holdings SEC-reported value Bought Sold Net Top Holdings Form Type Accepted by SEC
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
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