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Paloma Partners’s Biogen BIIB Stock Holding History

Paloma Partners’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
2024
Q2 		– Sell
-2,326
Closed -$502K – 1254
2024
Q1 		$502K Buy
2,326
+626
+37% +$147K 0.03% 418
2023
Q4 		$440K Buy
+1,700
New +$418K 0.02% 550
2023
Q2 		– Sell
-6,900
Closed -$1.92M – 745
2023
Q1 		$1.92M Buy
+6,900
New +$1.91M 0.07% 252
2022
Q4 		– Sell
-900
Closed -$240K – 923
2022
Q3 		$240K Buy
+900
New +$191K 0.01% 674
2020
Q3 		– Sell
-200
Closed -$54K – 2094
2020
Q2 		$54K Sell
200
-2,200
-92% -$661K ﹤0.01% 1984
2020
Q1 		$759K Buy
+2,400
New +$728K 0.04% 371
2019
Q3 		– Sell
-3,700
Closed -$865K – 1965
2019
Q2 		$865K Buy
+3,700
New +$854K 0.01% 767
2019
Q1 		– Sell
-3,600
Closed -$1.08M – 1689
2018
Q4 		$1.08M Buy
3,600
+1,300
+57% +$415K 0.03% 435
2018
Q3 		$813K Sell
2,300
-24,000
-91% -$8.26M 0.01% 833
2018
Q2 		$7.63M Sell
26,300
-9,000
-25% -$2.53M 0.14% 113
2018
Q1 		$9.67M Sell
35,300
-18,900
-35% -$5.87M 0.15% 69
2017
Q4 		$17.3M Sell
54,200
-12,500
-19% -$4.01M 0.23% 55
2017
Q3 		$20.9M Sell
66,700
-110,600
-62% -$32.7M 0.29% 33
2017
Q2 		$48.1M Sell
177,300
-47,700
-21% -$12.6M 0.57% 15
2017
Q1 		$61.5M Sell
225,000
-346,700
-61% -$98M 0.74% 11
2016
Q4 		$162M Buy
571,700
+451,900
+377% +$134M 1.59% 7
2016
Q3 		$37.5M Sell
119,800
-1,051,600
-90% -$311M 0.47% 39
2016
Q2 		$283M Buy
1,171,400
+832,400
+246% +$219M 3.12% 4
2016
Q1 		$88.2M Buy
339,000
+215,200
+174% +$56.8M 1.45% 7
2015
Q4 		$37.9M Buy
123,800
+31,100
+34% +$8.94M 1% 8
2015
Q3 		$27.1M Buy
92,700
+49,100
+113% +$16.2M 0.63% 21
2015
Q2 		$17.6M Buy
+43,600
New +$17.5M 0.34% 61

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
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $35.6B AUM 18.19% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $935B AUM
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Paloma Partners's BIIB Position: Q4 2024 in Review

Paloma Partners sold out of Biogen (BIIB) in Q4 2024, closing a stake of 1,824 shares — an estimated $354K sold.

Paloma Partners first reported a position in BIIB in Q2 2013 and held it in 36 quarters. The position peaked at $85.7M in Q4 2016. 874 funds tracked by Wall St. Rank hold BIIB as of Q4 2024.

  • Paloma Partners reported no remaining Biogen position as of Q4 2024 after selling out during the quarter.
  • Paloma Partners sold 1,824 Biogen shares in Q4 2024, an estimated $354K.
  • Paloma Partners first reported a position in Biogen in Q2 2013 and held it in 36 quarters.
  • Paloma Partners's Biogen position peaked at $85.7M in Q4 2016.
  • 874 funds tracked by Wall St. Rank held Biogen as of Q4 2024.

Based on Paloma Partners's 13F filing for Q4 2024, filed 14 Feb 2025.