Osaic Holdings
BIIB icon

Osaic Holdings’s Biogen BIIB Stock Holding History

Osaic Holdings’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 		$2.91M Buy
13,479
+1,474
+12% +$282K ﹤0.01% 1987
2026
Q1 		$2.2M Sell
12,005
-2,442
-17% -$450K ﹤0.01% 1994
2025
Q4 		$2.54M Buy
14,447
+2,854
+25% +$466K ﹤0.01% 1887
2025
Q3 		$1.58M Buy
11,593
+2,858
+33% +$386K ﹤0.01% 2386
2025
Q2 		$1.1M Buy
8,735
+941
+12% +$117K ﹤0.01% 2439
2025
Q1 		$1.07M Sell
7,794
-1,160
-13% -$166K ﹤0.01% 2194
2024
Q4 		$1.37M Sell
8,954
-2,176
-20% -$367K ﹤0.01% 1957
2024
Q3 		$2.16M Sell
11,130
-2,435
-18% -$509K ﹤0.01% 1650
2024
Q2 		$3.14M Sell
13,565
-2,742
-17% -$596K 0.01% 1317
2024
Q1 		$3.52M Sell
16,307
-2,426
-13% -$568K 0.01% 1291
2023
Q4 		$4.85M Sell
18,733
-16,020
-46% -$3.93M 0.01% 1220
2023
Q3 		$8.93M Buy
34,753
+9,765
+39% +$2.61M 0.01% 914
2023
Q2 		$7.11M Sell
24,988
-881
-3% -$262K 0.01% 958
2023
Q1 		$7.2M Sell
25,869
-4,775
-16% -$1.32M 0.01% 936
2022
Q4 		$8.49M Buy
30,644
+5,677
+23% +$1.6M 0.02% 815
2022
Q3 		$6.67M Buy
24,967
+2,082
+9% +$442K 0.02% 856
2022
Q2 		$4.68M Buy
22,885
+679
+3% +$139K 0.01% 1087
2022
Q1 		$4.81M Buy
22,206
+1,421
+7% +$309K 0.01% 1235
2021
Q4 		$5M Sell
20,785
-12,688
-38% -$3.26M 0.01% 1105
2021
Q3 		$9.47M Sell
33,473
-2,967
-8% -$972K 0.02% 695
2021
Q2 		$12.6M Sell
36,440
-2,651
-7% -$803K 0.03% 548
2021
Q1 		$10.9M Buy
39,091
+3,775
+11% +$1.02M 0.03% 557
2020
Q4 		$8.65M Buy
35,316
+1,139
+3% +$294K 0.02% 578
2020
Q3 		$9.65M Buy
34,177
+5,194
+18% +$1.45M 0.03% 476
2020
Q2 		$7.76M Sell
28,983
-47,367
-62% -$14.2M 0.03% 528
2020
Q1 		$10M Buy
+76,350
New +$23.2M 0.04% 375

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

Osaic Holdings's BIIB Position: Q2 2026 in Review

Osaic Holdings increased its Biogen (BIIB) stake by 12% in Q2 2026, buying an estimated $282K and bringing the position to 13,479 shares worth $2.91M. The position accounts for ﹤0.01% of the portfolio, ranked #1987.

Osaic Holdings first reported a position in BIIB in Q1 2020 and has held it in 26 quarters since. The position peaked at $12.6M in Q2 2021. 1,036 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Osaic Holdings held 13,479 shares of Biogen worth $2.91M as of Q2 2026.
  • Osaic Holdings bought 1,474 Biogen shares in Q2 2026, an estimated $282K.
  • Biogen made up ﹤0.01% of Osaic Holdings's portfolio in Q2 2026, its #1987 holding.
  • Osaic Holdings first reported a position in Biogen in Q1 2020 and has held it in 26 quarters since.
  • Osaic Holdings's Biogen position peaked at $12.6M in Q2 2021.
  • 1,036 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Osaic Holdings's 13F filing for Q2 2026, filed 14 Aug 2026.