Econ Financial Services
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Econ Financial Services’s Biogen BIIB Stock Holding History

Econ Financial Services’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 		$1.66M Buy
7,335
+1,035
+16% +$220K 0.69% 57
2026
Q2 		$1.36M Buy
6,300
+1,903
+43% +$364K 0.64% 53
2026
Q1 		$806K Buy
4,397
+451
+11% +$83.1K 0.37% 64
2025
Q4 		$694K Buy
+3,946
New +$645K 0.35% 63

Other funds holding BIIB

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Amundi
Amundi Paris, France $496B AUM 35.36% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return
Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $106B AUM 32.76% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Citigroup
Citigroup New York $308B AUM 40.94% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $83.2B AUM 35.34% 1-Year Est. Return
Artemis Investment Management
Artemis Investment Management Edinburgh, United Kingdom $11.5B AUM 61.77% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $54.1B AUM 39.29% 1-Year Est. Return

Econ Financial Services's BIIB Position: Q3 2026 in Review

Econ Financial Services increased its Biogen (BIIB) stake by 16% in Q3 2026, buying an estimated $220K and bringing the position to 7,335 shares worth $1.66M. The position accounts for 0.69% of the portfolio, ranked #57.

Econ Financial Services first reported a position in BIIB in Q4 2025 and has held it in 4 quarters since. 579 funds tracked by Wall St. Rank hold BIIB as of Q3 2026.

  • Econ Financial Services held 7,335 shares of Biogen worth $1.66M as of Q3 2026.
  • Econ Financial Services bought 1,035 Biogen shares in Q3 2026, an estimated $220K.
  • Biogen made up 0.69% of Econ Financial Services's portfolio in Q3 2026, its #57 holding.
  • Econ Financial Services first reported a position in Biogen in Q4 2025 and has held it in 4 quarters since.
  • 579 funds tracked by Wall St. Rank held Biogen as of Q3 2026.

Based on Econ Financial Services's 13F filing for Q3 2026, filed 19 Oct 2026.