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Great Valley Advisor Group’s Biogen BIIB Stock Holding History

Great Valley Advisor Group’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 		– Sell
-1,522
Closed -$268K – 1003
2025
Q4 		$268K Sell
1,522
-750
-33% -$123K 0.01% 810
2025
Q3 		$318K Buy
2,272
+196
+9% +$26.5K 0.01% 756
2025
Q2 		$261K Sell
2,076
-1,215
-37% -$151K 0.01% 785
2025
Q1 		$450K Buy
3,291
+310
+10% +$44.3K 0.01% 616
2024
Q4 		$456K Sell
2,981
-248
-8% -$41.8K 0.01% 594
2024
Q3 		$626K Sell
3,229
-260
-7% -$54.4K 0.02% 510
2024
Q2 		$809K Sell
3,489
-340
-9% -$73.9K 0.02% 429
2024
Q1 		$826K Buy
3,829
+1,043
+37% +$244K 0.03% 405
2023
Q4 		$721K Buy
2,786
+1,341
+93% +$329K 0.03% 388
2023
Q3 		$371K Buy
1,445
+83
+6% +$22.2K 0.02% 502
2023
Q2 		$388K Buy
1,362
+363
+36% +$108K 0.02% 499
2023
Q1 		$278K Hold
999
– – 0.01% 563
2022
Q4 		$277K Buy
999
+83
+9% +$23.4K 0.01% 561
2022
Q3 		$245K Buy
+916
New +$195K 0.01% 585

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

Great Valley Advisor Group's BIIB Position: Q1 2026 in Review

Great Valley Advisor Group sold out of Biogen (BIIB) in Q1 2026, closing a stake of 1,522 shares — an estimated $268K sold.

Great Valley Advisor Group first reported a position in BIIB in Q3 2022 and held it in 14 quarters. The position peaked at $826K in Q1 2024. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Great Valley Advisor Group reported no remaining Biogen position as of Q1 2026 after selling out during the quarter.
  • Great Valley Advisor Group sold 1,522 Biogen shares in Q1 2026, an estimated $268K.
  • Great Valley Advisor Group first reported a position in Biogen in Q3 2022 and held it in 14 quarters.
  • Great Valley Advisor Group's Biogen position peaked at $826K in Q1 2024.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Great Valley Advisor Group's 13F filing for Q1 2026, filed 11 May 2026.