Engineers Gate Manager’s Puma Biotechnology PBYI Stock Holding History

Engineers Gate Manager’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
2026 Q1	$183K	Buy	28,600 +9,814	+52%	+$63.3K	﹤0.01%	1935
2025 Q4	$112K	Buy	+18,786	New	+$99.8K	﹤0.01%	1905
2024 Q1	–	Sell	-19,077	Closed	-$82.6K	–	2211
2023 Q4	$82.6K	Buy	+19,077	New	+$63.2K	﹤0.01%	1800
2021 Q4	–	Sell	-12,000	Closed	-$84K	–	2225
2021 Q3	$84K	Sell	12,000 -1,800	-13%	-$13.5K	﹤0.01%	1549
2021 Q2	$127K	Sell	13,800 -6,500	-32%	-$65.9K	0.01%	1469
2021 Q1	$197K	Sell	20,300 -11,920	-37%	-$133K	0.01%	1604
2020 Q4	$331K	Buy	32,220 +17,828	+124%	+$181K	0.01%	1240
2020 Q3	$145K	Sell	14,392 -17,728	-55%	-$181K	0.01%	1489
2020 Q2	$335K	Buy	+32,120	New	+$332K	0.02%	1166
2020 Q1	–	Sell	-35,501	Closed	-$311K	–	1839
2019 Q4	$311K	Buy	+35,501	New	+$294K	0.01%	1244
2019 Q3	–	Sell	-22,885	Closed	-$291K	–	1549
2019 Q2	$291K	Buy	+22,885	New	+$527K	0.02%	878

Other funds holding PBYI

ACA

Acorn Capital Advisors New York $352M AUM 299.18% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return

Engineers Gate Manager's PBYI Position: Q1 2026 in Review

Engineers Gate Manager increased its Puma Biotechnology (PBYI) stake by 52% in Q1 2026, buying an estimated $63.3K and bringing the position to 28,600 shares worth $183K. The position accounts for ﹤0.01% of the portfolio, ranked #1935.

Engineers Gate Manager first reported a position in PBYI in Q2 2019 and has held it in 11 quarters since. The position peaked at $335K in Q2 2020. 157 funds tracked by Wall St. Rank hold PBYI as of Q1 2026.

Engineers Gate Manager held 28,600 shares of Puma Biotechnology worth $183K as of Q1 2026.
Engineers Gate Manager bought 9,814 Puma Biotechnology shares in Q1 2026, an estimated $63.3K.
Puma Biotechnology made up ﹤0.01% of Engineers Gate Manager's portfolio in Q1 2026, its #1935 holding.
Engineers Gate Manager first reported a position in Puma Biotechnology in Q2 2019 and has held it in 11 quarters since.
Engineers Gate Manager's Puma Biotechnology position peaked at $335K in Q2 2020.
157 funds tracked by Wall St. Rank held Puma Biotechnology as of Q1 2026.

Based on Engineers Gate Manager's 13F filing for Q1 2026, filed 15 May 2026.