BIIB β€” BIOGEN INC

Ownership history in FARMERS TRUST CO  Β·  6 quarters on record

AI Ownership Summary

FARMERS TRUST CO reported BIOGEN INC (BIIB) in 6 quarterly 13F filings from 2024 Q4 through 2026 Q1. Peak portfolio weight reached 0.97% in 2026 Q1. The latest visible filing shows BIIB at 0.97% 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 BIIB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was FARMERS TRUST CO's position in BIOGEN 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

BIIB was reported at 0.97% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.97% 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
2024 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 FARMERS TRUST CO held BIIB β€” position size vs. price
% of Fund (quarterly)    BIIB price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
πŸ“‹ Quarterly Holdings History 6 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 ADDED 33,610 +425 +1.3% 0.97% $6.2M 2026-04-07 $175.61
2025 Q4 ADDED 33,185 +7,214 +27.8% 0.95% $5.8M 2026-01-06 $182.61
2025 Q3 REDUCED 25,971 -3,556 -12.0% 0.63% $3.6M 2025-10-01 $154.22
2025 Q2 ADDED 29,527 +14,666 +98.7% 0.69% $3.7M 2025-07-14 $133.11
2025 Q1 ADDED 14,861 +2,012 +15.7% 0.38% $2.0M 2025-04-04 $122.98
2024 Q4 INITIATED 12,849 β€” β€” 0.37% $2.0M 2025-01-08 $150.75

FAQ About FARMERS TRUST CO and BIIB

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

How long has FARMERS TRUST CO reported owning BIIB?

FARMERS TRUST CO reported BIIB across 6 quarterly 13F filings, from 2024 Q4 through 2026 Q1.

What was the largest reported BIIB position in FARMERS TRUST CO's portfolio?

The largest reported portfolio weight for BIIB was 0.97% in 2026 Q1.

What is the latest reported BIIB position on this page?

The most recent filing on this page is 2026 Q1, when FARMERS TRUST CO reported 33,610 shares, equal to 0.97% of portfolio, with an estimated market value of $6.2M.

What does the chart on this BIIB ownership page compare?

The chart compares FARMERS TRUST CO's quarterly BIIB 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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