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Principal Securities’s Biogen BIIB Stock Holding History

Principal Securities’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 		$260K Buy
+1,420
New +$262K ﹤0.01% 1271
2025
Q4 		– Sell
-711
Closed -$99.6K – 1580
2025
Q3 		$99.6K Buy
711
+7
+1% +$946 ﹤0.01% 1597
2025
Q2 		$88.4K Buy
704
+367
+109% +$45.7K ﹤0.01% 1597
2025
Q1 		$51.5K Hold
337
– – ﹤0.01% 1751
2024
Q4 		$51.5K Buy
337
+78
+30% +$13.2K ﹤0.01% 1750
2024
Q3 		$50.2K Sell
259
-11
-4% -$2.3K ﹤0.01% 1691
2024
Q2 		$62.6K Sell
270
-8
-3% -$1.74K ﹤0.01% 1517
2024
Q1 		$59.9K Sell
278
-173
-38% -$40.5K ﹤0.01% 1489
2023
Q4 		$117K Buy
+451
New +$111K ﹤0.01% 1140

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

Principal Securities's BIIB Position: Q1 2026 in Review

Principal Securities opened a new position in Biogen (BIIB) in Q1 2026: 1,420 shares worth $260K. The stake represents ﹤0.01% of the portfolio and ranks #1271 among its holdings. This is a return to the name: Principal Securities previously reported a position in BIIB as recently as Q3 2025.

Principal Securities first reported a position in BIIB in Q4 2023 and has held it in 9 quarters since. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

  • Principal Securities held 1,420 shares of Biogen worth $260K as of Q1 2026.
  • Biogen was a new Principal Securities position in Q1 2026.
  • Biogen made up ﹤0.01% of Principal Securities's portfolio in Q1 2026, its #1271 holding.
  • Principal Securities first reported a position in Biogen in Q4 2023 and has held it in 9 quarters since.
  • 1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Principal Securities's 13F filing for Q1 2026, filed 13 May 2026.