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Monte Rosa Therapeutics, Inc.
$21.98 -1.06 (-4.60%) At close · Jul 13
Market Cap
$1.86B
Shares
84,479,418

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 189
Total Value: $1,426,583,622
Total Shares: 86,705,847
Showing 1–100 of 194 holdings by value · page 1 of 2

Institutional Ownership Trend

21 quarters

Holder Concentration

Across 190 13F filers
Top Holder
8.9%
Jun 2023 → Mar 2026 · range 8.9% – 19.3%
of institutional value
Top 5
33.6%
Jun 2023 → Mar 2026 · range 33.6% – 69.0%
of institutional value
Top 10
55.2%
Jun 2023 → Mar 2026 · range 55.2% – 88.7%
of institutional value
HHI
400
Jun 2023 → Mar 2026 · range 400 – 1,084
Broadly held
Showing 100 of 194
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1826457 CUSIP 61225M102 13F (30d) 8 filings 7 filers Visit website Investor relations