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Richwood Investment Advisors’s Biogen BIIB Stock Holding History

Richwood Investment 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 		$490K Buy
2,267
+235
+12% +$45K 0.34% 64
2026
Q1 		$373K Sell
2,032
-90
-4% -$16.6K 0.29% 75
2025
Q4 		$427K Sell
2,122
-125
-6% -$20.4K 0.31% 69
2025
Q3 		$315K Sell
2,247
-1
-0% -$135 0.25% 80
2025
Q2 		$282K Sell
2,248
-535
-19% -$66.7K 0.23% 85
2025
Q1 		$381K Sell
2,783
-348
-11% -$49.7K 0.32% 74
2024
Q4 		$479K Sell
3,131
-301
-9% -$50.8K 0.4% 62
2024
Q3 		$665K Sell
3,432
-422
-11% -$88.3K 0.55% 46
2024
Q2 		$893K Sell
3,854
-2
-0.1% -$435 0.78% 29
2024
Q1 		$831K Sell
3,856
-44
-1% -$10.3K 0.74% 30
2023
Q4 		$1.01M Sell
3,900
-107
-3% -$26.3K 0.95% 25
2023
Q3 		$1.03M Sell
4,007
-145
-3% -$38.8K 1.05% 21
2023
Q2 		$1.18M Sell
4,152
-89
-2% -$26.5K 1.15% 20
2023
Q1 		$1.18M Sell
4,241
-568
-12% -$157K 1.18% 21
2022
Q4 		$1.33M Sell
4,809
-94
-2% -$26.5K 1.34% 16
2022
Q3 		$1.31M Sell
4,903
-409
-8% -$86.9K 1.44% 14
2022
Q2 		$1.08M Buy
5,312
+85
+2% +$17.4K 1.09% 22
2022
Q1 		$1.1M Sell
5,227
-59
-1% -$12.8K 0.98% 23
2021
Q4 		$1.27M Buy
+5,286
New +$1.36M 1.11% 16

Other funds holding BIIB

Pictet Asset Management
Pictet Asset Management Carouge, Switzerland $105B AUM 38.07% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
AIM
Artemis Investment Management Edinburgh, United Kingdom $11.2B AUM 80.72% 1-Year Est. Return
Sumitomo Mitsui Trust Group
Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $175B AUM 40.63% 1-Year Est. Return
Swedbank
Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return
AAMU
AEGON Asset Management (UK) Edinburgh, United Kingdom $9.38B AUM 48.94% 1-Year Est. Return
New York State Teachers Retirement System (NYSTRS)
New York State Teachers Retirement System (NYSTRS) Albany, New York $54.2B AUM 43.77% 1-Year Est. Return
ECSS
Eurizon Capital SGR SpA Milan $37.3B AUM
ADEF
Adams Diversified Equity Fund Baltimore, Maryland $3.27B AUM 45.57% 1-Year Est. Return
New York State Common Retirement Fund
New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return

Richwood Investment Advisors's BIIB Position: Q2 2026 in Review

Richwood Investment Advisors increased its Biogen (BIIB) stake by 12% in Q2 2026, buying an estimated $45K and bringing the position to 2,267 shares worth $490K. The position accounts for 0.34% of the portfolio, ranked #64.

Richwood Investment Advisors first reported a position in BIIB in Q4 2021 and has held it in 19 quarters since. The position peaked at $1.33M in Q4 2022. 380 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

  • Richwood Investment Advisors held 2,267 shares of Biogen worth $490K as of Q2 2026.
  • Richwood Investment Advisors bought 235 Biogen shares in Q2 2026, an estimated $45K.
  • Biogen made up 0.34% of Richwood Investment Advisors's portfolio in Q2 2026, its #64 holding.
  • Richwood Investment Advisors first reported a position in Biogen in Q4 2021 and has held it in 19 quarters since.
  • Richwood Investment Advisors's Biogen position peaked at $1.33M in Q4 2022.
  • 380 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Richwood Investment Advisors's 13F filing for Q2 2026, filed 29 Jul 2026.