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Trexquant Investment’s Biogen BIIB Stock Holding History

Trexquant Investment’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
Q3 		– Sell
-80,822
Closed -$10.2M – 1599
2025
Q2 		$10.2M Buy
80,822
+36,334
+82% +$4.53M 0.11% 246
2025
Q1 		$6.09M Buy
44,488
+21,151
+91% +$3.02M 0.07% 426
2024
Q4 		$3.57M Sell
23,337
-73,259
-76% -$12.4M 0.04% 647
2024
Q3 		$18.7M Buy
+96,596
New +$20.2M 0.24% 95
2023
Q1 		– Sell
-18,397
Closed -$5.09M – 1450
2022
Q4 		$5.09M Buy
18,397
+11,648
+173% +$3.29M 0.14% 187
2022
Q3 		$1.8M Buy
6,749
+1,553
+30% +$330K 0.06% 377
2022
Q2 		$1.06M Sell
5,196
-14,014
-73% -$2.86M 0.05% 491
2022
Q1 		$4.05M Buy
+19,210
New +$4.18M 0.19% 134
2021
Q4 		– Sell
-9,023
Closed -$2.55M – 1305
2021
Q3 		$2.55M Sell
9,023
-810
-8% -$265K 0.2% 129
2021
Q2 		$3.4M Buy
+9,833
New +$2.98M 0.29% 89
2019
Q4 		– Sell
-2,521
Closed -$587K – 1023
2019
Q3 		$587K Sell
2,521
-7,811
-76% -$1.82M 0.05% 412
2019
Q2 		$2.42M Buy
+10,332
New +$2.39M 0.22% 146
2018
Q1 		– Sell
-6,338
Closed -$2.02M – 1074
2017
Q4 		$2.02M Buy
6,338
+3,516
+125% +$1.13M 0.22% 107
2017
Q3 		$884K Buy
+2,822
New +$836K 0.22% 104
2017
Q1 		– Sell
-6,500
Closed -$1.84M – 1077
2016
Q4 		$1.84M Buy
6,500
+3,700
+132% +$1.1M 0.29% 60
2016
Q3 		$876K Sell
2,800
-4,400
-61% -$1.3M 0.2% 150
2016
Q2 		$1.74M Sell
7,200
-1,100
-13% -$290K 0.23% 117
2016
Q1 		$2.16M Buy
+8,300
New +$2.19M 0.25% 89
2015
Q3 		– Sell
-1,900
Closed -$766K – 1042
2015
Q2 		$766K Buy
+1,900
New +$763K 0.09% 447

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 $169B AUM 114.72% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Trexquant Investment's BIIB Position: Q3 2025 in Review

Trexquant Investment sold out of Biogen (BIIB) in Q3 2025, closing a stake of 80,822 shares — an estimated $10.2M sold.

Trexquant Investment first reported a position in BIIB in Q2 2015 and held it in 19 quarters. The position peaked at $18.7M in Q3 2024. 908 funds tracked by Wall St. Rank hold BIIB as of Q3 2025.

  • Trexquant Investment reported no remaining Biogen position as of Q3 2025 after selling out during the quarter.
  • Trexquant Investment sold 80,822 Biogen shares in Q3 2025, an estimated $10.2M.
  • Trexquant Investment first reported a position in Biogen in Q2 2015 and held it in 19 quarters.
  • Trexquant Investment's Biogen position peaked at $18.7M in Q3 2024.
  • 908 funds tracked by Wall St. Rank held Biogen as of Q3 2025.

Based on Trexquant Investment's 13F filing for Q3 2025, filed 14 Nov 2025.