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Portfolio (Quarterly) Guide ↗

MPM BIOIMPACT LLC

· CIK 0001687078
13F Portfolio $1.3B AUM 41 positions Filed May 15, 2026 EDGAR ↗ ← All Funds
Q1 2026 Q4 2025 · All 11 New 6 Added 7 Reduced 8 Exited
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
1 AKTS Aktis Oncology, Inc. Healthcare 4,835,872.0 $86.5M 6.68% NEW $17.89 +6.9%
2 CORT Corcept Therapeutics, Inc. Healthcare 985,700.0 $39.7M 3.07% NEW $40.31 +48.1%
3 DNTH Dianthus Therapeutics Inc Healthcare 423,982.0 $35.6M 2.75% NEW $83.92 +6.8%
4 MLTX MoonLake Immunotherapeutics Healthcare 1,811,082.0 $33.8M 2.61% NEW $18.64 -0.9%
5 TVTX Travere Therapeutics Inc Healthcare 1,133,365.0 $33.7M 2.60% NEW $29.71 +46.4%
6 CYTK Cytokinetics Inc Healthcare 500,000.0 $33.0M 2.54% NEW $65.91 +18.4%
7 Forte Biosciences, Inc. 1,000,682.0 $25.9M 2.00% NEW $25.90
8 Zymeworks, Inc. 565,249.0 $14.2M 1.09% NEW $25.04
9 VRDN Viridian Therapeutics Inc Healthcare 649,873.0 $12.7M 0.98% NEW $19.56 -9.9%
10 ALLO Allogene Therapeutics, Inc. Healthcare 2,242,933.0 $5.5M 0.42% NEW $2.44 -19.7%
11 ACRS Aclaris Therapeutics Inc Healthcare 391,918.0 $1.5M 0.11% NEW $3.75 +21.1%

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Healthcare 100.0%