BIIB — BIOGEN INC

Ownership history in Qube Research & Technologies Ltd  ·  40 quarters on record

AI Ownership Summary

Qube Research & Technologies Ltd reported BIOGEN INC (BIIB) in 40 quarterly 13F filings from 2023 Q3 through 2025 Q4. Peak portfolio weight reached 0.22% in 2024 Q4. The latest visible filing shows BIIB at 0.01% 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. Older history is available after unlock; the visible window still shows the most recent pattern.

What this BIIB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Qube Research & Technologies Ltd'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
2025 Q4

BIIB was reported at 0.01% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.22% in 2024 Q4

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

Time in book
Holding Window
2023 Q3 to 2025 Q4

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.

BIIB stock page Qube Research & Technologies Ltd fund profile Qube Research & Technologies Ltd full holdings
How Qube Research & Technologies Ltd held BIIB — position size vs. price
% of Fund (quarterly)    BIIB price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 25 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 72,200 -36,300 -33.5% 0.01% $12.7M 2026-02-14 (Est.) $196.52
2025 Q4 REDUCED 108,500 -13,107 -10.8% 0.02% $19.1M 2026-02-14 (Est.) $196.52
2025 Q3 ADDED 121,607 +38,407 +46.2% 0.02% $17.0M 2025-11-14 $167.55
2025 Q3 REDUCED 83,200 -42,900 -34.0% 0.01% $11.7M 2025-11-14 $167.55
2025 Q3 ADDED 126,100 +22,600 +21.8% 0.02% $17.7M 2025-11-14 $167.55
2025 Q2 REDUCED 103,500 -105,800 -50.5% 0.01% $13.0M 2025-08-14 $134.94
2025 Q2 REDUCED 209,300 -534,009 -71.8% 0.03% $26.3M 2025-08-14 $134.94
2025 Q2 ADDED 743,309 +633,409 +576.4% 0.09% $93.4M 2025-08-14 $134.94
2025 Q1 REDUCED 109,900 -1,116,809 -91.0% 0.02% $15.0M 2025-05-15 $123.70
2025 Q1 ADDED 1,226,709 +616,409 +101.0% 0.19% $167.9M 2025-05-15 $123.70
2025 Q1 ADDED 610,300 +273,500 +81.2% 0.10% $83.5M 2025-05-15 $123.70
2024 Q4 ADDED 336,800 +310,700 +1190.4% 0.07% $51.5M 2025-02-14 $137.33
2024 Q4 REDUCED 26,100 -1,064,742 -97.6% 0.01% $4.0M 2025-02-14 $137.33
2024 Q4 ADDED 1,090,842 +1,075,342 +6937.7% 0.22% $166.8M 2025-02-14 $137.33
2024 Q3 REDUCED 15,500 -333,845 -95.6% 0.00% $3.0M 2024-11-14 $164.89
2024 Q3 ADDED 349,345 +283,945 +434.2% 0.10% $67.7M 2024-11-14 $164.89
2024 Q3 ADDED 65,400 +51,168 +359.5% 0.02% $12.7M 2024-11-14 $164.89
2024 Q2 REDUCED 14,232 -121,968 -89.6% 0.01% $3.3M 2024-08-14 $200.59
2024 Q2 ADDED 136,200 +118,600 +673.9% 0.05% $31.6M 2024-08-14 $200.59
2024 Q1 ADDED 17,600 +17,500 +17500.0% 0.01% $3.8M 2024-05-14 $226.88
2024 Q1 REDUCED 100 -100,745 -99.9% 0.00% $22K 2024-05-14 $226.88
2024 Q1 ADDED 100,845 +82,545 +451.1% 0.03% $21.7M 2024-05-14 $226.88
2023 Q3 REDUCED 18,300 -500 -2.7% 0.01% $4.7M 2023-11-13 $222.59
2023 Q3 ADDED 18,800 +12,472 +197.1% 0.01% $4.8M 2023-11-13 $222.59
2023 Q3 REDUCED 6,328 -42,041 -86.9% 0.00% $1.6M 2023-11-13 $222.59
15 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding BIIB

As of 2025 Q4 — sorted by position size

Palo Alto Investors LP 3Y 7Y 4.5% BRIDGER MANAGEMENT, LLC 3Y 7Y 4.08% Patient Capital Management, LLC 3Y 3.92% SECTOR GAMMA AS 3Y 7Y 3.43% Hillman Capital Management, Inc. 3Y 7Y 3.38% SPHERA FUNDS MANAGEMENT LTD. 3Y 7Y 3.22% Privium Fund Management B.V. 3Y 2.38% Logos Global Management LP 3Y 2.13% Orion Investment Co 2.11% PRIMECAP MANAGEMENT CO/CA/ 3Y 7Y 1.97%

FAQ About Qube Research & Technologies Ltd and BIIB

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

How long has Qube Research & Technologies Ltd reported owning BIIB?

Qube Research & Technologies Ltd reported BIIB across 25 quarterly 13F filings, from 2023 Q3 through 2025 Q4.

What was the largest reported BIIB position in Qube Research & Technologies Ltd's portfolio?

The largest reported portfolio weight for BIIB was 0.22% in 2024 Q4.

What is the latest reported BIIB position on this page?

The most recent filing on this page is 2025 Q4, when Qube Research & Technologies Ltd reported 72,200 shares, equal to 0.01% of portfolio, with an estimated market value of $12.7M.

What does the chart on this BIIB ownership page compare?

The chart compares Qube Research & Technologies Ltd'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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