PCS
BIIB icon

Personal CFO Solutions’s Biogen BIIB Stock Holding History

Personal CFO Solutions’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 		$433K Sell
2,362
-41
-2% -$7.55K 0.06% 274
2025
Q4 		$423K Sell
2,403
-35
-1% -$5.72K 0.07% 267
2025
Q3 		$342K Buy
2,438
+421
+21% +$56.9K 0.06% 308
2025
Q2 		$253K Sell
2,017
-10
-0.5% -$1.25K 0.05% 384
2025
Q1 		$277K Buy
2,027
+482
+31% +$68.9K 0.06% 337
2024
Q4 		$236K Sell
1,545
-37
-2% -$6.24K 0.05% 395
2024
Q3 		$307K Buy
1,582
+243
+18% +$50.8K 0.04% 416
2024
Q2 		$310K Buy
1,339
+160
+14% +$34.8K 0.05% 366
2024
Q1 		$254K Buy
1,179
+155
+15% +$36.3K 0.04% 444
2023
Q4 		$265K Buy
1,024
+16
+2% +$3.93K 0.05% 406
2023
Q3 		$259K Buy
1,008
+29
+3% +$7.76K 0.05% 361
2023
Q2 		$279K Sell
979
-39
-4% -$11.6K 0.06% 347
2023
Q1 		$283K Buy
1,018
+67
+7% +$18.5K 0.06% 327
2022
Q4 		$263K Buy
951
+92
+11% +$26K 0.06% 339
2022
Q3 		$229K Buy
+859
New +$182K 0.06% 325
2021
Q4 		– Sell
-2,829
Closed -$801K – 478
2021
Q3 		$801K Sell
2,829
-22
-0.8% -$7.21K 0.16% 131
2021
Q2 		$987K Buy
2,851
+187
+7% +$56.6K 0.2% 102
2021
Q1 		$745K Buy
2,664
+392
+17% +$106K 0.16% 119
2020
Q4 		$556K Buy
2,272
+6
+0.3% +$1.55K 0.14% 137
2020
Q3 		$1K Sell
2,266
-75
-3% -$20.9K 0.33% 61
2020
Q2 		$626K Buy
2,341
+149
+7% +$44.8K 0.19% 107
2020
Q1 		$694K Buy
2,192
+28
+1% +$8.5K 0.25% 92
2019
Q4 		$642K Buy
+2,164
New +$600K 0.18% 114

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

Personal CFO Solutions's BIIB Position: Q1 2026 in Review

Personal CFO Solutions reduced its Biogen (BIIB) stake by 1.7% in Q1 2026, selling an estimated $7.55K and leaving 2,362 shares worth $433K. The position accounts for 0.06% of the portfolio, ranked #274.

Personal CFO Solutions first reported a position in BIIB in Q4 2019 and has held it in 23 quarters since. The position peaked at $987K in Q2 2021. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Personal CFO Solutions held 2,362 shares of Biogen worth $433K as of Q1 2026.
  • Personal CFO Solutions sold 41 Biogen shares in Q1 2026, an estimated $7.55K.
  • Biogen made up 0.06% of Personal CFO Solutions's portfolio in Q1 2026, its #274 holding.
  • Personal CFO Solutions first reported a position in Biogen in Q4 2019 and has held it in 23 quarters since.
  • Personal CFO Solutions's Biogen position peaked at $987K in Q2 2021.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Personal CFO Solutions's 13F filing for Q1 2026, filed 30 Apr 2026.