HCA
BIIB icon

Harbor Capital Advisors’s Biogen BIIB Stock Holding History

Harbor Capital Advisors’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
Q1 		– Sell
-2,294
Closed -$404K – 1254
2025
Q4 		$404K Sell
2,294
-4
-0.2% -$653 0.03% 538
2025
Q3 		$322K Buy
2,298
+57
+3% +$7.71K 0.03% 563
2025
Q2 		$281K Sell
2,241
-12
-0.5% -$1.5K 0.01% 581
2025
Q1 		$308K Buy
+2,253
New +$322K 0.01% 579
2023
Q1 		– Sell
-268
Closed -$74.2K – 247
2022
Q4 		$74.2K Sell
268
-152
-36% -$42.9K 0.07% 133
2022
Q3 		$112K Sell
420
-360
-46% -$76.5K 0.1% 84
2022
Q2 		$159K Sell
780
-6
-0.8% -$1.23K 0.12% 97
2022
Q1 		$166K Buy
+786
New +$171K 0.08% 119

Other funds holding BIIB

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Harbor Capital Advisors's BIIB Position: Q1 2026 in Review

Harbor Capital Advisors sold out of Biogen (BIIB) in Q1 2026, closing a stake of 2,294 shares — an estimated $404K sold.

Harbor Capital Advisors first reported a position in BIIB in Q1 2022 and held it in 8 quarters. The position peaked at $404K in Q4 2025. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Harbor Capital Advisors reported no remaining Biogen position as of Q1 2026 after selling out during the quarter.
  • Harbor Capital Advisors sold 2,294 Biogen shares in Q1 2026, an estimated $404K.
  • Harbor Capital Advisors first reported a position in Biogen in Q1 2022 and held it in 8 quarters.
  • Harbor Capital Advisors's Biogen position peaked at $404K in Q4 2025.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Harbor Capital Advisors's 13F filing for Q1 2026, filed 28 Apr 2026.