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Freestone Grove Partners’s Biogen BIIB Stock Holding History

Freestone Grove 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
2026
Q2 		$18.1M Buy
+83,853
New +$16M 0.12% 216
2026
Q1 		– Sell
-187,608
Closed -$33M – 994
2025
Q4 		$33M Sell
187,608
-31,258
-14% -$5.11M 0.24% 133
2025
Q3 		$30.7M Buy
218,866
+107,862
+97% +$14.6M 0.23% 158
2025
Q2 		$13.9M Buy
+111,004
New +$13.8M 0.11% 241

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 $3.37T AUM 44.26% 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

Freestone Grove Partners's BIIB Position: Q2 2026 in Review

Freestone Grove Partners opened a new position in Biogen (BIIB) in Q2 2026: 83,853 shares worth $18.1M. The stake represents 0.12% of the portfolio and ranks #216 among its holdings. This is a return to the name: Freestone Grove Partners previously reported a position in BIIB as recently as Q4 2025.

Freestone Grove Partners first reported a position in BIIB in Q2 2025 and has held it in 4 quarters since. The position peaked at $33M in Q4 2025. 1,043 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Freestone Grove Partners held 83,853 shares of Biogen worth $18.1M as of Q2 2026.
  • Biogen was a new Freestone Grove Partners position in Q2 2026.
  • Biogen made up 0.12% of Freestone Grove Partners's portfolio in Q2 2026, its #216 holding.
  • Freestone Grove Partners first reported a position in Biogen in Q2 2025 and has held it in 4 quarters since.
  • Freestone Grove Partners's Biogen position peaked at $33M in Q4 2025.
  • 1,043 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Freestone Grove Partners's 13F filing for Q2 2026, filed 14 Aug 2026.