Halbert Hargrove Global Advisors’s Biogen BIIB Stock Holding History

Halbert Hargrove Global 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	$491	Buy	+2	New	+$383	﹤0.01%	535
2015 Q3	–	Sell	-1,438	Closed	-$581K	–	106
2015 Q2	$581K	Sell	1,438 -58	-4%	-$23.3K	0.14%	64
2015 Q1	$632K	Buy	1,496 +626	+72%	+$247K	0.2%	60
2014 Q4	$295K	Buy	870 +32	+4%	+$10.4K	0.15%	87
2014 Q3	$277K	Sell	838 -591	-41%	-$195K	0.08%	103
2014 Q2	$451K	Sell	1,429 -184	-11%	-$55.4K	0.14%	52
2014 Q1	$493K	Sell	1,613 -163	-9%	-$51.7K	0.15%	42
2013 Q4	$497K	Buy	1,776 +478	+37%	+$124K	0.15%	43
2013 Q3	$313K	Sell	1,298 -84	-6%	-$18.8K	0.1%	76
2013 Q2	$297K	Buy	+1,382	New	+$295K	0.11%	79

Other funds holding BIIB

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Halbert Hargrove Global Advisors's BIIB Position: Q2 2026 in Review

Halbert Hargrove Global Advisors opened a new position in Biogen (BIIB) in Q2 2026: 2 shares worth $491. The stake represents ﹤0.01% of the portfolio and ranks #535 among its holdings. This is a return to the name: Halbert Hargrove Global Advisors previously reported a position in BIIB as recently as Q2 2015.

Halbert Hargrove Global Advisors first reported a position in BIIB in Q2 2013 and has held it in 10 quarters since. The position peaked at $632K in Q1 2015. 1,043 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Halbert Hargrove Global Advisors held 2 shares of Biogen worth $491 as of Q2 2026.
Biogen was a new Halbert Hargrove Global Advisors position in Q2 2026.
Biogen made up ﹤0.01% of Halbert Hargrove Global Advisors's portfolio in Q2 2026, its #535 holding.
Halbert Hargrove Global Advisors first reported a position in Biogen in Q2 2013 and has held it in 10 quarters since.
Halbert Hargrove Global Advisors's Biogen position peaked at $632K in Q1 2015.
1,043 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Halbert Hargrove Global Advisors's 13F filing for Q2 2026, filed 21 Jul 2026.