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WPG Advisers’s Biogen BIIB Stock Holding History

WPG Advisers’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
Q2 		$51K Buy
236
+47
+25% +$8.99K 0.03% 305
2026
Q1 		$34.6K Buy
189
+44
+30% +$8.11K 0.03% 353
2025
Q4 		$25.5K Buy
145
+117
+418% +$19.1K 0.02% 450
2025
Q3 		$3.92K Buy
28
+25
+833% +$3.38K ﹤0.01% 967
2025
Q2 		$377 Hold
3
– – ﹤0.01% 1375
2025
Q1 		$411 Sell
3
-6
-67% -$858 ﹤0.01% 1369
2024
Q4 		$1.38K Buy
+9
New +$1.52K ﹤0.01% 1174

Other funds holding BIIB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Citigroup
Citigroup New York $303B AUM 53.02% 1-Year Est. Return
AIM
Artemis Investment Management Edinburgh, United Kingdom $11.2B AUM 80.72% 1-Year Est. Return

WPG Advisers's BIIB Position: Q2 2026 in Review

WPG Advisers increased its Biogen (BIIB) stake by 25% in Q2 2026, buying an estimated $8.99K and bringing the position to 236 shares worth $51K. The position accounts for 0.03% of the portfolio, ranked #305.

WPG Advisers first reported a position in BIIB in Q4 2024 and has held it in 7 quarters since. 569 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • WPG Advisers held 236 shares of Biogen worth $51K as of Q2 2026.
  • WPG Advisers bought 47 Biogen shares in Q2 2026, an estimated $8.99K.
  • Biogen made up 0.03% of WPG Advisers's portfolio in Q2 2026, its #305 holding.
  • WPG Advisers first reported a position in Biogen in Q4 2024 and has held it in 7 quarters since.
  • 569 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on WPG Advisers's 13F filing for Q2 2026, filed 6 Aug 2026.