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INTECH Investment Management’s Biogen BIIB Stock Holding History

INTECH Investment 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
Q1 		$750K Sell
4,092
-1,450
-26% -$267K 0.01% 1141
2025
Q4 		$975K Buy
5,542
+1,269
+30% +$207K 0.01% 1151
2025
Q3 		$599K Sell
4,273
-258
-6% -$34.9K 0.01% 1478
2025
Q2 		$569K Sell
4,531
-2,973
-40% -$370K 0.01% 1532
2025
Q1 		$1.03M Sell
7,504
-1,746
-19% -$250K 0.01% 1181
2024
Q4 		$1.41M Buy
+9,250
New +$1.56M 0.01% 921
2024
Q3 		– Sell
-4,456
Closed -$1.03M – 2024
2024
Q2 		$1.03M Sell
4,456
-3,161
-41% -$687K 0.01% 620
2024
Q1 		$1.64M Sell
7,617
-12,305
-62% -$2.88M 0.02% 391
2023
Q4 		$5.16M Sell
19,922
-10,007
-33% -$2.46M 0.08% 236
2023
Q3 		$7.69M Buy
29,929
+14,408
+93% +$3.85M 0.11% 198
2023
Q2 		$4.42M Sell
15,521
-111,811
-88% -$33.3M 0.05% 291
2023
Q1 		$35.4M Sell
127,332
-24,351
-16% -$6.74M 0.29% 91
2022
Q4 		$42M Sell
151,683
-22,162
-13% -$6.26M 0.31% 81
2022
Q3 		$46.4M Sell
173,845
-397,921
-70% -$84.5M 0.35% 73
2022
Q2 		$117M Buy
+571,766
New +$117M 0.67% 31

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

INTECH Investment Management's BIIB Position: Q1 2026 in Review

INTECH Investment Management reduced its Biogen (BIIB) stake by 26% in Q1 2026, selling an estimated $267K and leaving 4,092 shares worth $750K. The position accounts for 0.01% of the portfolio, ranked #1141.

INTECH Investment Management first reported a position in BIIB in Q2 2022 and has held it in 15 quarters since. The position peaked at $117M in Q2 2022. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • INTECH Investment Management held 4,092 shares of Biogen worth $750K as of Q1 2026.
  • INTECH Investment Management sold 1,450 Biogen shares in Q1 2026, an estimated $267K.
  • Biogen made up 0.01% of INTECH Investment Management's portfolio in Q1 2026, its #1141 holding.
  • INTECH Investment Management first reported a position in Biogen in Q2 2022 and has held it in 15 quarters since.
  • INTECH Investment Management's Biogen position peaked at $117M in Q2 2022.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on INTECH Investment Management's 13F filing for Q1 2026, filed 8 May 2026.