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Essex Financial Services’s Biogen BIIB Stock Holding History

Essex 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
Q2 		$232K Buy
+1,072
New +$205K 0.01% 743
2021
Q3 		– Sell
-613
Closed -$212K – 464
2021
Q2 		$212K Buy
+613
New +$186K 0.03% 423

Other funds holding BIIB

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Essex Financial Services's BIIB Position: Q2 2026 in Review

Essex Financial Services opened a new position in Biogen (BIIB) in Q2 2026: 1,072 shares worth $232K. The stake represents 0.01% of the portfolio and ranks #743 among its holdings. This is a return to the name: Essex Financial Services previously reported a position in BIIB as recently as Q2 2021.

Essex Financial Services first reported a position in BIIB in Q2 2021 and has held it in 2 quarters since. 1,046 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Essex Financial Services held 1,072 shares of Biogen worth $232K as of Q2 2026.
  • Biogen was a new Essex Financial Services position in Q2 2026.
  • Biogen made up 0.01% of Essex Financial Services's portfolio in Q2 2026, its #743 holding.
  • Essex Financial Services first reported a position in Biogen in Q2 2021 and has held it in 2 quarters since.
  • 1,046 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Essex Financial Services's 13F filing for Q2 2026, filed 10 Aug 2026.