Waters Parkerson & Co’s Biogen BIIB Stock Holding History

Waters Parkerson & Co’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	$205K	Buy	+951	New	+$182K	0.01%	192
2024 Q4	–	Sell	-1,113	Closed	-$216K	–	180
2024 Q3	$216K	Hold	1,113	–	–	0.01%	186
2024 Q2	$258K	Hold	1,113	–	–	0.01%	160
2024 Q1	$240K	Buy	1,113 +100	+10%	+$23.4K	0.01%	169
2023 Q4	$262K	Hold	1,013	–	–	0.01%	160
2023 Q3	$260K	Hold	1,013	–	–	0.02%	152
2023 Q2	$289K	Hold	1,013	–	–	0.02%	150
2023 Q1	$282K	Hold	1,013	–	–	0.02%	151
2022 Q4	$281K	Hold	1,013	–	–	0.02%	150
2022 Q3	$270K	Hold	1,013	–	–	0.02%	147
2022 Q2	$207K	Buy	+1,013	New	+$207K	0.01%	162
2021 Q4	–	Sell	-833	Closed	-$236K	–	178
2021 Q3	$236K	Hold	833	–	–	0.01%	163
2021 Q2	$288K	Hold	833	–	–	0.02%	155
2021 Q1	$233K	Hold	833	–	–	0.01%	162
2020 Q4	$204K	Sell	833 -21	-2%	-$5.42K	0.01%	167
2020 Q3	$242K	Buy	854 +21	+3%	+$5.86K	0.02%	150
2020 Q2	$223K	Hold	833	–	–	0.02%	147
2020 Q1	$264K	Hold	833	–	–	0.03%	130
2019 Q4	$247K	Buy	+833	New	+$231K	0.02%	146
2019 Q1	–	Sell	-833	Closed	-$251K	–	159
2018 Q4	$251K	Hold	833	–	–	0.02%	140
2018 Q3	$294K	Hold	833	–	–	0.02%	133
2018 Q2	$242K	Hold	833	–	–	0.02%	147
2018 Q1	$228K	Hold	833	–	–	0.02%	156
2017 Q4	$265K	Sell	833 -16	-2%	-$5.13K	0.02%	151
2017 Q3	$266K	Sell	849 -23	-3%	-$6.81K	0.02%	148
2017 Q2	$237K	Hold	872	–	–	0.02%	154
2017 Q1	$238K	Hold	872	–	–	0.02%	146
2016 Q4	$247K	Sell	872 -300	-26%	-$88.9K	0.02%	145
2016 Q3	$367K	Buy	1,172 +300	+34%	+$88.9K	0.04%	121
2016 Q2	$211K	Sell	872 -460	-35%	-$121K	0.02%	141
2016 Q1	$347K	Hold	1,332	–	–	0.04%	119
2015 Q4	$408K	Hold	1,332	–	–	0.05%	116
2015 Q3	$389K	Hold	1,332	–	–	0.05%	105
2015 Q2	$538K	Hold	1,332	–	–	0.06%	96
2015 Q1	$562K	Sell	1,332 -50	-4%	-$19.7K	0.07%	98
2014 Q4	$469K	Buy	1,382 +50	+4%	+$16.2K	0.06%	103
2014 Q3	$441K	Hold	1,332	–	–	0.05%	103
2014 Q2	$420K	Hold	1,332	–	–	0.05%	102
2014 Q1	$407K	Sell	1,332 -115	-8%	-$36.5K	0.05%	103
2013 Q4	$405K	Buy	1,447 +62	+4%	+$16K	0.05%	101
2013 Q3	$333K	Hold	1,385	–	–	0.04%	106
2013 Q2	$298K	Buy	+1,385	New	+$296K	0.04%	105

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 $3.38T AUM 44.17% 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

Waters Parkerson & Co's BIIB Position: Q2 2026 in Review

Waters Parkerson & Co opened a new position in Biogen (BIIB) in Q2 2026: 951 shares worth $205K. The stake represents 0.01% of the portfolio and ranks #192 among its holdings. This is a return to the name: Waters Parkerson & Co previously reported a position in BIIB as recently as Q3 2024.

Waters Parkerson & Co first reported a position in BIIB in Q2 2013 and has held it in 42 quarters since. The position peaked at $562K in Q1 2015. 1,046 funds tracked by Wall St. Rank hold BIIB as of Q2 2026.

Waters Parkerson & Co held 951 shares of Biogen worth $205K as of Q2 2026.
Biogen was a new Waters Parkerson & Co position in Q2 2026.
Biogen made up 0.01% of Waters Parkerson & Co's portfolio in Q2 2026, its #192 holding.
Waters Parkerson & Co first reported a position in Biogen in Q2 2013 and has held it in 42 quarters since.
Waters Parkerson & Co's Biogen position peaked at $562K in Q1 2015.
1,046 funds tracked by Wall St. Rank held Biogen as of Q2 2026.

Based on Waters Parkerson & Co's 13F filing for Q2 2026, filed 30 Jul 2026.