MPM BioImpact LLC

CIK 0001687078 · Q2 2026

13F Equity AUM

$1.6B

+26.6% QoQ

Positions

-4 QoQ

AUM Rank

#2,603

Top 21%

Skill Alpha (FF)

-16.0%/yr^ns

No Clear Edge

Rank #8,210 · Top 99%

vs S&P -32.0%/yr (unadj.)

Quarters Tracked

~6 years

Portfolio Concentration

Top 5: 36.8%Top 10: 55.3%Top 20: 80.6%

CGEM10.8%

Aktis Oncology, Inc.9.5%

LQDA6.7%

RVMD5.6%

HTD4.1%

EWTX4.0%

TVTX3.9%

DBVT3.7%

TRVI3.5%

ALMS3.5%

Others (27)44.7%

HHI (Herfindahl-Hirschman Index) measures portfolio concentration. Low (<1500) = diversified, Moderate (1500-2500), High (>2500) = concentrated bets.

Sector Allocation

Healthcare86.4%

Unclassified9.5%

Financial Services4.1%

Portfolio weight by GICS sector based on latest 13F filing. Sectors below 2% are grouped as “Other.”

Position Sizing

Positions: 37Median: 1.91%Avg: 2.70%

0–0.5%

3(0.4%)

0.5–1%

2(1.4%)

1–3%

21(39.5%)

3–5%

7(26.1%)

5%+

4(32.7%)

Count of positions per weight bucket — (%) = combined portfolio weight

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Portfolio Overlap

Shared: 0Unique: 37vs 20 funds

0%Low

Fund positions

Consensus CUSIPs

Jaccard similarity of this fund’s portfolio vs the consensus of top 20 funds by AUM. Low (<15%) = contrarian, Moderate (15-40%), High (>40%) = follows the crowd.

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Position Changes This Quarter

New7Increased7Decreased22Exited11

New Positions

RARE2.9%

+1.4M

BIOA2.5%

+1.7M

TSHA1.9%

+4.5M

ZURA1.6%

+4.5M

ANL1.4%

+1.9M

ANNX1.2%

+3.5M

TRDA0.6%

+1.3M

Increased

CGEM10.8%

+2.1M(+27%)

ACRS0.3%

+651K(+166%)

DYN2.6%

+514K(+37%)

ABVX2.7%

+229K(+214%)

ORIC1.2%

+78K(+4%)

RLAY2.8%

+56K(+2%)

BLTE1.3%

+49K(+56%)

Decreased

CNTX0.0%

-9,380,345(-88%)

DBVT3.7%

-1,547,077(-30%)

HOWL0.0%

-1,128,668(-93%)

ALMS3.5%

-367,509(-15%)

TRVI3.5%

-224,853(-7%)

HTD4.1%

-214,672(-22%)

MLTX1.9%

-204,115(-11%)

QURE3.4%

-143,376(-10%)

STOK1.4%

-43,724(-6%)

EWTX4.0%

-39,916(-2%)

Exited

-1,306,261

-588,706

-1,455,863

-500,000

-1,674,875

-2,593,439

-733,966

-565,249

-649,873

-1,845,373

Quarter-over-quarter changes compared to prior 13F filing. New = first appearance; Exited = no longer held.

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Holdings

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