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Steve Schonfeld’s Puma Biotechnology PBYI Stock Holding History

Steve Schonfeld’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
2025
Q1 		– Sell
-35,300
Closed -$108K – 2437
2024
Q4 		$108K Sell
35,300
-82,600
-70% -$240K ﹤0.01% 1835
2024
Q3 		$301K Sell
117,900
-216,207
-65% -$654K ﹤0.01% 1653
2024
Q2 		$1.09M Buy
334,107
+287,503
+617% +$1.26M 0.01% 1169
2024
Q1 		$247K Buy
46,604
+26,545
+132% +$143K ﹤0.01% 1721
2023
Q4 		$86.9K Buy
+20,059
New +$66.5K ﹤0.01% 1635
2020
Q2 		– Sell
-17,582
Closed -$148K – 1479
2020
Q1 		$148K Sell
17,582
-61,106
-78% -$594K 0.01% 961
2019
Q4 		$689K Buy
+78,688
New +$651K 0.02% 623
2019
Q3 		– Sell
-14,200
Closed -$180K – 1179
2019
Q2 		$180K Buy
14,200
+4,200
+42% +$96.7K 0.01% 901
2019
Q1 		$388K Sell
10,000
-30,654
-75% -$936K 0.01% 769
2018
Q4 		$827K Buy
40,654
+35,354
+667% +$1.06M 0.03% 523
2018
Q3 		$243K Buy
5,300
+1,800
+51% +$86.8K 0.01% 728
2018
Q2 		$207K Buy
+3,500
New +$203K 0.01% 699
2017
Q4 		– Sell
-16,365
Closed -$1.96M – 846
2017
Q3 		$1.96M Buy
16,365
+13,065
+396% +$1.22M 0.18% 159
2017
Q2 		$288K Buy
+3,300
New +$185K 0.03% 487
2016
Q4 		– Sell
-18,596
Closed -$1.25M – 631
2016
Q3 		$1.25M Buy
+18,596
New +$940K 0.21% 137

Other funds holding PBYI

ACA
Acorn Capital Advisors New York $366M AUM 474.6% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
KCM
Kennedy Capital Management St Louis, Missouri $5.65B AUM 61.31% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Steve Schonfeld's PBYI Position: Q1 2025 in Review

Steve Schonfeld sold out of Puma Biotechnology (PBYI) in Q1 2025, closing a stake of 35,300 shares — an estimated $108K sold.

Steve Schonfeld first reported a position in PBYI in Q3 2016 and held it in 15 quarters. The position peaked at $1.96M in Q3 2017. 116 funds tracked by Wall St. Rank hold PBYI as of Q1 2025.

  • Steve Schonfeld reported no remaining Puma Biotechnology position as of Q1 2025 after selling out during the quarter.
  • Steve Schonfeld sold 35,300 Puma Biotechnology shares in Q1 2025, an estimated $108K.
  • Steve Schonfeld first reported a position in Puma Biotechnology in Q3 2016 and held it in 15 quarters.
  • Steve Schonfeld's Puma Biotechnology position peaked at $1.96M in Q3 2017.
  • 116 funds tracked by Wall St. Rank held Puma Biotechnology as of Q1 2025.

Based on Schonfeld Strategic Advisors's 13F filing for Q1 2025, filed 15 May 2025.