MIRM β€” MIRUM PHARMACEUTICALS INC

Ownership history in EASTERN BANK  Β·  2 quarters on record

AI Ownership Summary

EASTERN BANK reported MIRUM PHARMACEUTICALS INC (MIRM) in 2 quarterly 13F filings from 2025 Q4 through 2026 Q1. The latest visible filing shows MIRM at 0.00% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this MIRM ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was EASTERN BANK's position in MIRUM PHARMACEUTICALS INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

MIRM was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% in 2026 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2025 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How EASTERN BANK held MIRM β€” position size vs. price
% of Fund (quarterly)    MIRM price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 2 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 UNCHANGED 112 β€” 0% 0.00% $10K 2026-04-07 $95.65
2025 Q4 INITIATED 112 β€” β€” 0.00% $9K 2026-01-14 $90.65

FAQ About EASTERN BANK and MIRM

These are the practical questions this page is built to answer before you even open the full history table.

How long has EASTERN BANK reported owning MIRM?

EASTERN BANK reported MIRM across 2 quarterly 13F filings, from 2025 Q4 through 2026 Q1.

What was the largest reported MIRM position in EASTERN BANK's portfolio?

The largest reported portfolio weight for MIRM was 0.00% in 2026 Q1.

What is the latest reported MIRM position on this page?

The most recent filing on this page is 2026 Q1, when EASTERN BANK reported 112 shares, equal to 0.00% of portfolio, with an estimated market value of $10K.

What does the chart on this MIRM ownership page compare?

The chart compares EASTERN BANK's quarterly MIRM portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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