Rapport Therapeutics, Inc. Common Stock (RAPP) Institutional Ownership

Based on Q1 2026 13F filings, institutional ownership of Rapport Therapeutics, Inc. Common Stock stands at 113.8%, held across 146 reporting institutions.

FMR LLC is the largest reported institutional holder of RAPP, with approximately 7,168,939 shares worth $0.22B as of Q1 2026.

Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of RAPP, including MILLENNIUM MANAGEMENT LLC.

Our composite Smart Money Score for RAPP is 60 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.

31 institutions opened new positions in RAPP during Q1 2026, while 27 fully exited. 88 added to existing positions and 27 trimmed.

RAPP institutional ownership rose by 6.56 percentage points quarter-over-quarter, with a net change of +4 holders.

The top 10 institutions account for 68.4% of all reported 13F value in RAPP, and the top 25 account for 91.0%.

All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.