Trail Ridge Investment Advisors’s Biogen BIIB Stock Holding History

Trail Ridge 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 Q1	$331K	Hold	1,807	–	–	0.14%	85
2025 Q4	$318K	Hold	1,807	–	–	0.14%	87
2025 Q3	$253K	Hold	1,807	–	–	0.11%	96
2025 Q2	$231K	Hold	1,807	–	–	0.11%	96
2025 Q1	$247K	Hold	1,807	–	–	0.13%	90
2024 Q4	$276K	Hold	1,807	–	–	0.13%	93
2024 Q3	$331K	Hold	1,807	–	–	0.16%	88
2024 Q2	$419K	Hold	1,807	–	–	0.22%	76
2024 Q1	$390K	Sell	1,807 -1,192	-40%	-$279K	0.22%	77
2023 Q4	$776K	Sell	2,999 -271	-8%	-$66.6K	0.48%	50
2023 Q3	$840K	Sell	3,270 -262	-7%	-$70.1K	0.57%	49
2023 Q2	$1.01M	Buy	3,532 +114	+3%	+$33.9K	0.62%	49
2023 Q1	$950K	Sell	3,418 -252	-7%	-$69.7K	0.62%	52
2022 Q4	$1.02M	Buy	3,670 +88	+2%	+$24.9K	0.7%	49
2022 Q3	$1.04M	Buy	3,582 +219	+7%	+$46.5K	0.69%	47
2022 Q2	$686K	Buy	3,363 +85	+3%	+$17.4K	0.47%	67
2022 Q1	$690K	Buy	3,278 +255	+8%	+$55.5K	0.42%	68
2021 Q4	$725K	Buy	+3,023	New	+$777K	0.44%	65

Other funds holding BIIB

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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 Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Trail Ridge Investment Advisors's BIIB Position: Q1 2026 in Review

Trail Ridge Investment Advisors held its Biogen (BIIB) position steady in Q1 2026 at 1,807 shares worth $331K. The position accounts for 0.14% of the portfolio, ranked #85.

Trail Ridge Investment Advisors first reported a position in BIIB in Q4 2021 and has held it in 18 quarters since. The position peaked at $1.04M in Q3 2022. 1,004 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

Trail Ridge Investment Advisors held 1,807 shares of Biogen worth $331K as of Q1 2026.
Trail Ridge Investment Advisors left its Biogen share count unchanged in Q1 2026.
Biogen made up 0.14% of Trail Ridge Investment Advisors's portfolio in Q1 2026, its #85 holding.
Trail Ridge Investment Advisors first reported a position in Biogen in Q4 2021 and has held it in 18 quarters since.
Trail Ridge Investment Advisors's Biogen position peaked at $1.04M in Q3 2022.
1,004 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on Trail Ridge Investment Advisors's 13F filing for Q1 2026, filed 5 May 2026.