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Lifeworks Advisors’s Biogen BIIB Stock Holding History

Lifeworks 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
Q2 		$719K Sell
3,326
-139
-4% -$26.6K 0.08% 165
2026
Q1 		$635K Sell
3,465
-468
-12% -$86.2K 0.08% 165
2025
Q4 		$692K Sell
3,933
-748
-16% -$122K 0.09% 174
2025
Q3 		$656K Sell
4,681
-16
-0.3% -$2.16K 0.09% 179
2025
Q2 		$590K Buy
4,697
+244
+5% +$30.4K 0.09% 174
2025
Q1 		$609K Buy
4,453
+657
+17% +$93.9K 0.1% 165
2024
Q4 		$581K Sell
3,796
-979
-21% -$165K 0.1% 151
2024
Q3 		$926K Sell
4,775
-1,574
-25% -$329K 0.18% 121
2024
Q2 		$1.47M Sell
6,349
-10,188
-62% -$2.21M 0.41% 69
2024
Q1 		$3.57M Buy
16,537
+2,675
+19% +$626K 1% 30
2023
Q4 		$3.59M Buy
13,862
+1,340
+11% +$329K 1.24% 25
2023
Q3 		$3.22M Buy
12,522
+2,605
+26% +$697K 1.25% 24
2023
Q2 		$2.82M Buy
9,917
+7,456
+303% +$2.22M 1.2% 25
2023
Q1 		$684K Sell
2,461
-294
-11% -$81.3K 0.32% 93
2022
Q4 		$763K Sell
2,755
-902
-25% -$255K 0.43% 75
2022
Q3 		$1.04M Sell
3,657
-9,834
-73% -$2.09M 0.59% 59
2022
Q2 		$2.75M Buy
13,491
+1,256
+10% +$257K 1.74% 17
2022
Q1 		$2.58M Buy
12,235
+2,837
+30% +$617K 1.7% 16
2021
Q4 		$2.25M Buy
+9,398
New +$2.42M 1.8% 12

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

Lifeworks Advisors's BIIB Position: Q2 2026 in Review

Lifeworks Advisors reduced its Biogen (BIIB) stake by 4% in Q2 2026, selling an estimated $26.6K and leaving 3,326 shares worth $719K. The position accounts for 0.08% of the portfolio, ranked #165.

Lifeworks Advisors first reported a position in BIIB in Q4 2021 and has held it in 19 quarters since. The position peaked at $3.59M in Q4 2023. 1,043 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Lifeworks Advisors held 3,326 shares of Biogen worth $719K as of Q2 2026.
  • Lifeworks Advisors sold 139 Biogen shares in Q2 2026, an estimated $26.6K.
  • Biogen made up 0.08% of Lifeworks Advisors's portfolio in Q2 2026, its #165 holding.
  • Lifeworks Advisors first reported a position in Biogen in Q4 2021 and has held it in 19 quarters since.
  • Lifeworks Advisors's Biogen position peaked at $3.59M in Q4 2023.
  • 1,043 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Lifeworks Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.