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QRG Capital Management’s Biogen BIIB Stock Holding History

QRG Capital Management’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 		$10.5M Buy
48,819
+15,817
+48% +$3.03M 0.09% 195
2026
Q1 		$6.05M Buy
33,002
+29,207
+770% +$5.38M 0.06% 252
2025
Q4 		$668K Buy
3,795
+224
+6% +$36.6K 0.01% 672
2025
Q3 		$500K Sell
3,571
-411
-10% -$55.6K 0.01% 721
2025
Q2 		$500K Sell
3,982
-57
-1% -$7.1K ﹤0.01% 812
2025
Q1 		$553K Buy
4,039
+1,435
+55% +$205K 0.01% 735
2024
Q4 		$398K Buy
2,604
+67
+3% +$11.3K ﹤0.01% 817
2024
Q3 		$492K Sell
2,537
-475
-16% -$99.4K 0.01% 779
2024
Q2 		$698K Buy
3,012
+378
+14% +$82.1K 0.01% 639
2024
Q1 		$568K Buy
2,634
+51
+2% +$11.9K 0.01% 706
2023
Q4 		$668K Sell
2,583
-1,295
-33% -$318K 0.01% 630
2023
Q3 		$997K Buy
+3,878
New +$1.04M 0.02% 492

Other funds holding BIIB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

QRG Capital Management's BIIB Position: Q2 2026 in Review

QRG Capital Management increased its Biogen (BIIB) stake by 48% in Q2 2026, buying an estimated $3.03M and bringing the position to 48,819 shares worth $10.5M. The position accounts for 0.09% of the portfolio, ranked #195.

QRG Capital Management first reported a position in BIIB in Q3 2023 and has held it in 12 quarters since. 1,036 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • QRG Capital Management held 48,819 shares of Biogen worth $10.5M as of Q2 2026.
  • QRG Capital Management bought 15,817 Biogen shares in Q2 2026, an estimated $3.03M.
  • Biogen made up 0.09% of QRG Capital Management's portfolio in Q2 2026, its #195 holding.
  • QRG Capital Management first reported a position in Biogen in Q3 2023 and has held it in 12 quarters since.
  • 1,036 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on QRG Capital Management's 13F filing for Q2 2026, filed 14 Jul 2026.