Millennium Management’s Puma Biotechnology PBYI Stock Holding History

Millennium Management’s Portfolio PBYI Stock Details PBYI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2024 Q2	–	Sell	-125,200	Closed	-$664K	–	6364
2024 Q1	$664K	Buy	+125,200	New	+$674K	﹤0.01%	4619
2023 Q4	–	Sell	-200,000	Closed	-$526K	–	6411
2023 Q3	$526K	Sell	200,000 -63,800	-24%	-$217K	﹤0.01%	4624
2023 Q2	$931K	Buy	263,800 +15,400	+6%	+$48K	﹤0.01%	4101
2023 Q1	$768K	Buy	+248,400	New	+$937K	﹤0.01%	4318
2022 Q4	–	Sell	-218,600	Closed	-$518K	–	6918
2022 Q3	$518K	Buy	+218,600	New	+$638K	﹤0.01%	4947
2022 Q1	–	Sell	-200,000	Closed	-$608K	–	7330
2021 Q4	$608K	Buy	+200,000	New	+$868K	﹤0.01%	4877
2021 Q1	–	Sell	-100,000	Closed	-$1.03M	–	6371
2020 Q4	$1.03M	Buy	+100,000	New	+$1.01M	﹤0.01%	3722
2020 Q1	–	Sell	-100,000	Closed	-$875K	–	4318
2019 Q4	$875K	Buy	+100,000	New	+$828K	﹤0.01%	3066
2019 Q2	–	Sell	-150,000	Closed	-$5.82M	–	4362
2019 Q1	$5.82M	Buy	+150,000	New	+$4.58M	0.01%	1650
2018 Q1	–	Sell	-50,000	Closed	-$4.94M	–	3974
2017 Q4	$4.94M	Buy	50,000 +20,000	+67%	+$2.24M	0.01%	1743
2017 Q3	$3.59M	Buy	+30,000	New	+$2.79M	0.01%	1842
2017 Q2	–	Sell	-75,000	Closed	-$2.79M	–	3753
2017 Q1	$2.79M	Sell	75,000 -15,000	-17%	-$547K	0.01%	1809
2016 Q4	$2.76M	Buy	+90,000	New	+$3.89M	0.01%	1687
2016 Q2	–	Sell	-30,000	Closed	-$881K	–	3462
2016 Q1	$881K	Buy	+30,000	New	+$1.36M	﹤0.01%	2253
2015 Q1	–	Sell	-8,800	Closed	-$1.67M	–	3958
2014 Q4	$1.67M	Buy	+8,800	New	+$1.95M	﹤0.01%	2119
2014 Q3	–	Sell	-183,700	Closed	-$12.1M	–	3929
2014 Q2	$12.1M	Buy	+183,700	New	+$13.1M	0.03%	728

Other funds holding PBYI

ACA

Acorn Capital Advisors New York $366M AUM 474.6% 1-Year Est. Return

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

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

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

Millennium Management's PBYI Position: Q2 2026 in Review

Millennium Management reduced its Puma Biotechnology (PBYI) stake by 59% in Q2 2026, selling an estimated $6.41M and leaving 602,240 shares worth $4.88M. The position accounts for ﹤0.01% of the portfolio, ranked #3017.

Millennium Management first reported a position in PBYI in Q2 2013 and has held it in 51 quarters since. The position peaked at $127M in Q2 2017. 161 funds tracked by Wall St. Rank hold PBYI as of Q2 2026.

Millennium Management held 602,240 shares of Puma Biotechnology worth $4.88M as of Q2 2026.
Millennium Management sold 875,279 Puma Biotechnology shares in Q2 2026, an estimated $6.41M.
Puma Biotechnology made up ﹤0.01% of Millennium Management's portfolio in Q2 2026, its #3017 holding.
Millennium Management first reported a position in Puma Biotechnology in Q2 2013 and has held it in 51 quarters since.
Millennium Management's Puma Biotechnology position peaked at $127M in Q2 2017.
161 funds tracked by Wall St. Rank held Puma Biotechnology as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.