McIlrath & Eck’s Biogen BIIB Stock Holding History

McIlrath & Eck’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	$7.82K	Hold	43	–	–	﹤0.01%	1112
2025 Q4	$7.51K	Hold	43	–	–	﹤0.01%	709
2025 Q3	$5.98K	Hold	43	–	–	﹤0.01%	725
2025 Q2	$5.36K	Hold	43	–	–	﹤0.01%	716
2025 Q1	$5.84K	Hold	43	–	–	﹤0.01%	694
2024 Q4	$6.53K	Hold	43	–	–	﹤0.01%	704
2024 Q3	$8.27K	Hold	43	–	–	﹤0.01%	666
2024 Q2	$9.89K	Sell	43 -6	-12%	-$1.3K	﹤0.01%	603
2024 Q1	$10.6K	Sell	49 -1	-2%	-$234	﹤0.01%	591
2023 Q4	$12.9K	Hold	50	–	–	﹤0.01%	511
2023 Q3	$12.9K	Sell	50 -6	-11%	-$1.6K	﹤0.01%	500
2023 Q2	$16K	Hold	56	–	–	﹤0.01%	458
2023 Q1	$15.6K	Hold	56	–	–	﹤0.01%	456
2022 Q4	$15.5K	Hold	56	–	–	﹤0.01%	454
2022 Q3	$15K	Hold	56	–	–	﹤0.01%	448
2022 Q2	$11K	Hold	56	–	–	﹤0.01%	494
2022 Q1	$12K	Hold	56	–	–	﹤0.01%	496
2021 Q4	$13K	Hold	56	–	–	﹤0.01%	489
2021 Q3	$16K	Hold	56	–	–	﹤0.01%	431
2021 Q2	$19K	Hold	56	–	–	0.01%	394
2021 Q1	$16K	Buy	+56	New	+$15.1K	0.01%	378
2019 Q3	–	Sell	-18	Closed	-$4K	–	624
2019 Q2	$4K	Hold	18	–	–	﹤0.01%	480
2019 Q1	$4K	Hold	18	–	–	﹤0.01%	480
2018 Q4	$5K	Hold	18	–	–	﹤0.01%	361
2018 Q3	$6K	Hold	18	–	–	﹤0.01%	353
2018 Q2	$5K	Hold	18	–	–	﹤0.01%	358
2018 Q1	$5K	Hold	18	–	–	﹤0.01%	341
2017 Q4	$6K	Buy	+18	New	+$5.77K	﹤0.01%	334

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

McIlrath & Eck's BIIB Position: Q1 2026 in Review

McIlrath & Eck held its Biogen (BIIB) position steady in Q1 2026 at 43 shares worth $7.82K. The position accounts for ﹤0.01% of the portfolio, ranked #1112.

McIlrath & Eck first reported a position in BIIB in Q4 2017 and has held it in 28 quarters since. The position peaked at $19K in Q2 2021. 1,002 funds tracked by Wall St. Rank hold BIIB as of Q1 2026.

McIlrath & Eck held 43 shares of Biogen worth $7.82K as of Q1 2026.
McIlrath & Eck left its Biogen share count unchanged in Q1 2026.
Biogen made up ﹤0.01% of McIlrath & Eck's portfolio in Q1 2026, its #1112 holding.
McIlrath & Eck first reported a position in Biogen in Q4 2017 and has held it in 28 quarters since.
McIlrath & Eck's Biogen position peaked at $19K in Q2 2021.
1,002 funds tracked by Wall St. Rank held Biogen as of Q1 2026.

Based on McIlrath & Eck's 13F filing for Q1 2026, filed 19 May 2026.