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MPM ASSET MANAGEMENT LLC

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13F filer, CIK 1263048, BOSTON, MA

MPM ASSET MANAGEMENT LLC reported $182,086,838 across 6 holdings for the quarter ended 2024-06-30, in a 13F-HR filed 2024-08-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0000950123-24-008624

Period
2024-06-30
Reported value
$182M
Holdings
6
Top 10 weight
100%
New
0
Sold out
0

Largest buys vs the previous quarter

None.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
DYNreduced-1,889,807-$66.7M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q2 2024

Share positions as resolved from 13F-HR 0000950123-24-008624, largest first. % of portfolio is the value over $182,086,838, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
TRDAENTRADA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q3: restricted; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: 4,425,784 shares; 2024Q1: 4,425,784 shares; 2024Q2: 4,425,784 shares 4,425,784$63.1M34.64%0Timeline
DYNDYNE THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q3: restricted; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: 4,951,303 shares; 2024Q1: 3,451,303 shares; 2024Q2: 1,561,496 shares 1,561,496$55.1M30.26%-1,889,807Timeline
ITEOS THERAPEUTICS INCITEOS THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q3: restricted; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: 2,738,785 shares; 2024Q1: 2,738,785 shares; 2024Q2: 2,738,785 shares 2,738,785$40.6M22.32%0
HOWLWEREWOLF THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q3: restricted; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: 4,284,172 shares; 2024Q1: 4,284,172 shares; 2024Q2: 4,284,172 shares 4,284,172$10.5M5.74%0Timeline
REPARE THERAPEUTICS INCREPARE THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q3: restricted; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: 2,242,636 shares; 2024Q1: 2,242,636 shares; 2024Q2: 2,242,636 shares 2,242,636$7.4M4.06%0
ADAPYADAPTIMMUNE THERAPEUTICS PLC SQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2022Q3: restricted; 2022Q4: restricted; 2023Q1: restricted; 2023Q2: restricted; 2023Q3: restricted; 2023Q4: 5,555,461 shares; 2024Q1: 5,555,461 shares; 2024Q2: 5,555,461 shares 5,555,461$5.42M2.97%0Timeline

How Q2 2024 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0000950123-24-008624 base2024-08-14acceptance time not in the bulk data set