Richard Pzena’s Biogen BIIB Stock Holding History

Richard Pzena’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
2023 Q3	–	Sell	-1,618	Closed	-$461K	–	162
2023 Q2	$461K	Buy	+1,618	New	+$482K	﹤0.01%	144
2022 Q4	–	Sell	-2,384	Closed	-$637K	–	181
2022 Q3	$637K	Hold	2,384	–	–	﹤0.01%	143
2022 Q2	$486K	Hold	2,384	–	–	﹤0.01%	144
2022 Q1	$502K	Buy	+2,384	New	+$518K	﹤0.01%	151
2020 Q4	–	Sell	-2,857	Closed	-$810K	–	167
2020 Q3	$810K	Sell	2,857 -386	-12%	-$108K	0.01%	144
2020 Q2	$868K	Sell	3,243 -43,908	-93%	-$13.2M	0.01%	147
2020 Q1	$14.9M	Sell	47,151 -2,519	-5%	-$764K	0.11%	105
2019 Q4	$14.7M	Buy	49,670 +46,477	+1,456%	+$12.9M	0.07%	116
2019 Q3	$743K	Buy	3,193 +875	+38%	+$204K	﹤0.01%	156
2019 Q2	$542K	Sell	2,318 -133	-5%	-$30.7K	﹤0.01%	157
2019 Q1	$579K	Buy	2,451 +345	+16%	+$109K	﹤0.01%	155
2018 Q4	$634K	Buy	2,106 +242	+13%	+$77.2K	﹤0.01%	155
2018 Q3	$659K	Buy	1,864 +74	+4%	+$25.5K	﹤0.01%	162
2018 Q2	$520K	Buy	1,790 +43	+2%	+$12.1K	﹤0.01%	150
2018 Q1	$478K	Buy	1,747 +816	+88%	+$253K	﹤0.01%	146
2017 Q4	$297K	Buy	+931	New	+$299K	﹤0.01%	151
2017 Q2	–	Sell	-759	Closed	-$208K	–	153
2017 Q1	$208K	Buy	+759	New	+$215K	﹤0.01%	153
2016 Q4	–	Sell	-642	Closed	-$201K	–	159
2016 Q3	$201K	Buy	+642	New	+$190K	﹤0.01%	149

Other funds holding BIIB

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

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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

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

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

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

ClearBridge Investments New York $121B AUM 27.52% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Richard Pzena's BIIB Position: Q3 2023 in Review

Richard Pzena sold out of Biogen (BIIB) in Q3 2023, closing a stake of 1,618 shares — an estimated $461K sold.

Richard Pzena first reported a position in BIIB in Q3 2016 and held it in 18 quarters. The position peaked at $14.9M in Q1 2020. 966 funds tracked by Wall St. Rank hold BIIB as of Q3 2023.

Richard Pzena reported no remaining Biogen position as of Q3 2023 after selling out during the quarter.
Richard Pzena sold 1,618 Biogen shares in Q3 2023, an estimated $461K.
Richard Pzena first reported a position in Biogen in Q3 2016 and held it in 18 quarters.
Richard Pzena's Biogen position peaked at $14.9M in Q1 2020.
966 funds tracked by Wall St. Rank held Biogen as of Q3 2023.

Based on Pzena Investment Management's 13F filing for Q3 2023, filed 9 Nov 2023.