Kelleher Financial Advisors’s Biogen BIIB Stock Holding History

Kelleher Financial 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	$19K	Buy	+88	New	+$16.8K	﹤0.01%	554
2018 Q4	$666K	Buy	2,215 +140	+7%	+$44.7K	1.07%	25
2018 Q3	$733K	Buy	2,075 +50	+2%	+$17.2K	0.95%	22
2018 Q2	$587K	Buy	2,025 +25	+1%	+$7.03K	0.84%	31
2018 Q1	$547K	Hold	2,000	–	–	0.75%	37
2017 Q4	$637K	Sell	2,000 -100	-5%	-$32.1K	1.01%	29
2017 Q3	$657K	Buy	2,100 +100	+5%	+$29.6K	1.38%	22
2017 Q2	$542K	Hold	2,000	–	–	1.05%	29
2017 Q1	$546K	Sell	2,000 -3,026	-60%	-$856K	1.17%	26
2016 Q4	$1.04M	Buy	5,026 +2,626	+109%	+$778K	0.58%	50
2016 Q3	$751K	Buy	2,400 +400	+20%	+$118K	0.43%	59
2016 Q2	$483K	Sell	2,000 -300	-13%	-$79.1K	0.29%	72
2016 Q1	$598K	Buy	2,300 +300	+15%	+$79.2K	0.33%	74
2015 Q4	$612K	Sell	2,000 -300	-13%	-$86.2K	0.42%	59
2015 Q3	$671K	Buy	2,300 +300	+15%	+$99.1K	0.45%	58
2015 Q2	$807K	Hold	2,000	–	–	0.46%	56
2015 Q1	$844K	Hold	2,000	–	–	0.47%	53
2014 Q4	$678K	Hold	2,000	–	–	0.36%	55
2014 Q3	$642K	Hold	2,000	–	–	0.35%	57
2014 Q2	$631K	Hold	2,000	–	–	0.33%	59
2014 Q1	$611K	Hold	2,000	–	–	0.33%	58
2013 Q4	$559K	Hold	2,000	–	–	0.29%	61
2013 Q3	$482K	Hold	2,000	–	–	0.28%	62
2013 Q2	$430K	Buy	+2,000	New	+$427K	0.26%	63

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

Kelleher Financial Advisors's BIIB Position: Q2 2026 in Review

Kelleher Financial Advisors opened a new position in Biogen (BIIB) in Q2 2026: 88 shares worth $19K. The stake represents ﹤0.01% of the portfolio and ranks #554 among its holdings. This is a return to the name: Kelleher Financial Advisors previously reported a position in BIIB as recently as Q4 2018.

Kelleher Financial Advisors first reported a position in BIIB in Q2 2013 and has held it in 24 quarters since. The position peaked at $1.04M in Q4 2016. 1,043 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Kelleher Financial Advisors held 88 shares of Biogen worth $19K as of Q2 2026.
Biogen was a new Kelleher Financial Advisors position in Q2 2026.
Biogen made up ﹤0.01% of Kelleher Financial Advisors's portfolio in Q2 2026, its #554 holding.
Kelleher Financial Advisors first reported a position in Biogen in Q2 2013 and has held it in 24 quarters since.
Kelleher Financial Advisors's Biogen position peaked at $1.04M in Q4 2016.
1,043 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Kelleher Financial Advisors's 13F filing for Q2 2026, filed 6 Aug 2026.