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GLUE

Monte Rosa Therapeutics, Inc.

Company with tickers: GLUE

CIK
1826457
CUSIP
61225M102
Shares Outstanding
84,479,418
13F Activity (30d)
136 filings 131 filers

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.

Holders: 190
Total Value: $1,434,864,790
Total Shares: 87,225,830
Showing 1–100 of 195 holdings by value · page 1 of 2

Institutional Ownership Trend

20 quarters

Holder Concentration

Across 190 13F filers · Δ vs Dec 31, 2025
Top Holder
8.8%
Jun 2023 → Mar 2026 · range 8.8% – 19.3%
−3.0 pts
Top 5
33.4%
Jun 2023 → Mar 2026 · range 33.4% – 69.0%
−6.8 pts
Top 10
54.9%
Jun 2023 → Mar 2026 · range 54.9% – 88.7%
−11.1 pts
HHI
395
Jun 2023 → Mar 2026 · range 395 – 1,084
Broadly held −124

Quarterly Activity

vs Dec 31, 2025
New
51
Increased
83
Decreased
43
Sold Out
21
Unchanged
13
Holder count: +30
Institutional value: +40.8%
Shares held: +34.2%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 195
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Holder Value (USD) % of 13F Shares Open