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Rock Point Advisors’s Biogen BIIB Stock Holding History

Rock Point Advisors’s Portfolio BIIB Stock Details BIIB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$337K Hold
1,840
– – 0.09% 87
2025
Q4 		$324K Hold
1,840
– – 0.08% 89
2025
Q3 		$258K Hold
1,840
– – 0.07% 98
2025
Q2 		$231K Hold
1,840
– – 0.07% 99
2025
Q1 		$252K Hold
1,840
– – 0.08% 91
2024
Q4 		$281K Hold
1,840
– – 0.08% 86
2024
Q3 		$357K Hold
1,840
– – 0.1% 82
2024
Q2 		$427K Hold
1,840
– – 0.13% 73
2024
Q1 		$397K Hold
1,840
– – 0.12% 73
2023
Q4 		$476K Hold
1,840
– – 0.14% 63
2023
Q3 		$473K Buy
+1,840
New +$492K 0.16% 67

Other funds holding BIIB

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Rock Point Advisors's BIIB Position: Q1 2026 in Review

Rock Point Advisors held its Biogen (BIIB) position steady in Q1 2026 at 1,840 shares worth $337K. The position accounts for 0.09% of the portfolio, ranked #87.

Rock Point Advisors first reported a position in BIIB in Q3 2023 and has held it in 11 quarters since. The position peaked at $476K in Q4 2023. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Rock Point Advisors held 1,840 shares of Biogen worth $337K as of Q1 2026.
  • Rock Point Advisors left its Biogen share count unchanged in Q1 2026.
  • Biogen made up 0.09% of Rock Point Advisors's portfolio in Q1 2026, its #87 holding.
  • Rock Point Advisors first reported a position in Biogen in Q3 2023 and has held it in 11 quarters since.
  • Rock Point Advisors's Biogen position peaked at $476K in Q4 2023.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Rock Point Advisors's 13F filing for Q1 2026, filed 14 May 2026.