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GAMMA Investing’s Biogen BIIB Stock Holding History

GAMMA Investing’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
Q3 		$1.54M Buy
6,832
+370
+6% +$78.5K 0.05% 293
2026
Q2 		$1.4M Buy
6,462
+469
+8% +$89.7K 0.05% 303
2026
Q1 		$1.1M Buy
5,993
+477
+9% +$87.9K 0.05% 318
2025
Q4 		$971K Buy
5,516
+1,173
+27% +$192K 0.05% 322
2025
Q3 		$608K Buy
4,343
+756
+21% +$102K 0.03% 441
2025
Q2 		$450K Buy
3,587
+1,725
+93% +$215K 0.03% 522
2025
Q1 		$255K Buy
1,862
+1,464
+368% +$209K 0.02% 658
2024
Q4 		$60.9K Sell
398
-428
-52% -$72.2K 0.01% 1501
2024
Q3 		$160K Sell
826
-437
-35% -$91.4K 0.02% 723
2024
Q2 		$293K Buy
1,263
+755
+149% +$164K 0.04% 396
2024
Q1 		$110K Buy
508
+22
+5% +$5.15K 0.02% 615
2023
Q4 		$120K Buy
+486
New +$119K 0.03% 470

Other funds holding BIIB

AIM
Artemis Investment Management Edinburgh, United Kingdom $11.5B AUM 61.77% 1-Year Est. Return
MSV
MN Services Vermogensbeheer The Hague, Netherlands $13.4B AUM 37.34% 1-Year Est. Return
FFA
Farther Finance Advisors San Francisco, California $14.2B AUM 18.33% 1-Year Est. Return
TF
Tompkins Financial Ithaca, New York $1.42B AUM 19.14% 1-Year Est. Return
BCM
Boltwood Capital Management Walnut Creek, California $443M AUM 17.72% 1-Year Est. Return
EFG
Everhart Financial Group Dublin, Ohio $1.62B AUM 25.73% 1-Year Est. Return
CI
CX Institutional Auburn, Indiana $3.69B AUM 15.82% 1-Year Est. Return
VCM
Versant Capital Management Phoenix, Arizona $1.17B AUM 28.44% 1-Year Est. Return
IRC
Investors Research Corp Atlanta, Georgia $569M AUM 15.41% 1-Year Est. Return
VFA
Valeo Financial Advisors Carmel, Indiana $4.74B AUM 19.15% 1-Year Est. Return

GAMMA Investing's BIIB Position: Q3 2026 in Review

GAMMA Investing increased its Biogen (BIIB) stake by 5.7% in Q3 2026, buying an estimated $78.5K and bringing the position to 6,832 shares worth $1.54M. The position accounts for 0.05% of the portfolio, ranked #293.

GAMMA Investing first reported a position in BIIB in Q4 2023 and has held it in 12 quarters since. 31 funds tracked by Wall St. Rank hold BIIB as of Q3 2026.

  • GAMMA Investing held 6,832 shares of Biogen worth $1.54M as of Q3 2026.
  • GAMMA Investing bought 370 Biogen shares in Q3 2026, an estimated $78.5K.
  • Biogen made up 0.05% of GAMMA Investing's portfolio in Q3 2026, its #293 holding.
  • GAMMA Investing first reported a position in Biogen in Q4 2023 and has held it in 12 quarters since.
  • 31 funds tracked by Wall St. Rank held Biogen as of Q3 2026.

Based on GAMMA Investing's 13F filing for Q3 2026, filed 8 Oct 2026.