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Mengis Capital Management’s Biogen BIIB Stock Holding History

Mengis 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
2025
Q1 		– Sell
-1,330
Closed -$203K – 192
2024
Q4 		$203K Sell
1,330
-50
-4% -$8.43K 0.04% 183
2024
Q3 		$267K Sell
1,380
-1,200
-47% -$251K 0.05% 166
2024
Q2 		$598K Hold
2,580
– – 0.12% 125
2024
Q1 		$556K Sell
2,580
-5,475
-68% -$1.28M 0.09% 139
2023
Q4 		$2.08M Hold
8,055
– – 0.39% 60
2023
Q3 		$2.07M Sell
8,055
-50
-0.6% -$13.4K 0.43% 60
2023
Q2 		$2.31M Hold
8,105
– – 0.46% 57
2023
Q1 		$2.25M Hold
8,105
– – 0.47% 60
2022
Q4 		$2.24M Sell
8,105
-10
-0.1% -$2.82K 0.49% 58
2022
Q3 		$2.17M Sell
8,115
-1,800
-18% -$382K 0.51% 56
2022
Q2 		$2.02M Hold
9,915
– – 0.44% 60
2022
Q1 		$2.09M Hold
9,915
– – 0.4% 63
2021
Q4 		$2.38M Sell
9,915
-2,735
-22% -$703K 0.45% 58
2021
Q3 		$3.58M Hold
12,650
– – 0.75% 38
2021
Q2 		$4.38M Hold
12,650
– – 0.91% 31
2021
Q1 		$3.54M Hold
12,650
– – 0.78% 38
2020
Q4 		$3.1M Sell
12,650
-5,900
-32% -$1.52M 0.75% 36
2020
Q3 		$5.26M Buy
18,550
+700
+4% +$195K 1.44% 17
2020
Q2 		$4.78M Buy
17,850
+11
+0.1% +$3.31K 1.42% 16
2020
Q1 		$5.64M Buy
17,839
+1,450
+9% +$440K 1.93% 11
2019
Q4 		$4.86M Hold
16,389
– – 1.34% 20
2019
Q3 		$3.81M Buy
16,389
+1,110
+7% +$258K 1.14% 26
2019
Q2 		$3.57M Buy
+15,279
New +$3.53M 1.09% 25

Other funds holding BIIB

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $935B AUM
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Mengis Capital Management's BIIB Position: Q1 2025 in Review

Mengis Capital Management sold out of Biogen (BIIB) in Q1 2025, closing a stake of 1,330 shares — an estimated $203K sold.

Mengis Capital Management first reported a position in BIIB in Q2 2019 and held it in 23 quarters. The position peaked at $5.64M in Q1 2020. 881 funds tracked by Wall St. Rank hold BIIB as of Q1 2025.

  • Mengis Capital Management reported no remaining Biogen position as of Q1 2025 after selling out during the quarter.
  • Mengis Capital Management sold 1,330 Biogen shares in Q1 2025, an estimated $203K.
  • Mengis Capital Management first reported a position in Biogen in Q2 2019 and held it in 23 quarters.
  • Mengis Capital Management's Biogen position peaked at $5.64M in Q1 2020.
  • 881 funds tracked by Wall St. Rank held Biogen as of Q1 2025.

Based on Mengis Capital Management's 13F filing for Q1 2025, filed 8 May 2025.