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Trexquant Investment’s Puma Biotechnology PBYI Stock Holding History

Trexquant Investment’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
Q2 		$586K Buy
+72,223
New +$529K ﹤0.01% 1601
2024
Q3 		– Sell
-32,668
Closed -$106K – 1790
2024
Q2 		$106K Buy
32,668
+469
+1% +$2.06K ﹤0.01% 1470
2024
Q1 		$171K Buy
+32,199
New +$173K ﹤0.01% 1370
2021
Q4 		– Sell
-27,735
Closed -$194K – 1550
2021
Q3 		$194K Sell
27,735
-3,795
-12% -$28.4K 0.02% 963
2021
Q2 		$289K Buy
+31,530
New +$319K 0.02% 735
2020
Q4 		– Sell
-13,441
Closed -$136K – 1378
2020
Q3 		$136K Buy
+13,441
New +$137K 0.01% 1127
2020
Q2 		– Sell
-79,050
Closed -$667K – 1390
2020
Q1 		$667K Buy
79,050
+48,863
+162% +$475K 0.05% 556
2019
Q4 		$264K Sell
30,187
-18,319
-38% -$152K 0.02% 799
2019
Q3 		$522K Buy
+48,506
New +$524K 0.05% 443
2019
Q2 		– Sell
-65,430
Closed -$2.54M – 1043
2019
Q1 		$2.54M Buy
+65,430
New +$2M 0.18% 164
2018
Q4 		– Sell
-24,529
Closed -$1.13M – 1249
2018
Q3 		$1.13M Buy
+24,529
New +$1.18M 0.08% 332
2018
Q2 		– Sell
-9,281
Closed -$632K – 1127
2018
Q1 		$632K Buy
+9,281
New +$695K 0.04% 555
2017
Q3 		– Sell
-2,900
Closed -$253K – 968
2017
Q2 		$253K Buy
+2,900
New +$162K 0.07% 550
2017
Q1 		– Sell
-19,326
Closed -$593K – 1257
2016
Q4 		$593K Buy
19,326
+2,897
+18% +$125K 0.09% 367
2016
Q3 		$1.1M Buy
+16,429
New +$831K 0.25% 115
2016
Q2 		– Sell
-32,600
Closed -$957K – 1035
2016
Q1 		$957K Buy
+32,600
New +$1.47M 0.11% 312
2015
Q4 		– Sell
-16,900
Closed -$1.27M – 1210
2015
Q3 		$1.27M Buy
16,900
+14,500
+604% +$1.37M 0.11% 322
2015
Q2 		$279K Buy
+2,400
New +$435K 0.03% 838

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
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 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
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Trexquant Investment's PBYI Position: Q2 2026 in Review

Trexquant Investment opened a new position in Puma Biotechnology (PBYI) in Q2 2026: 72,223 shares worth $586K. The stake represents ﹤0.01% of the portfolio and ranks #1601 among its holdings. This is a return to the name: Trexquant Investment previously reported a position in PBYI as recently as Q2 2024.

Trexquant Investment first reported a position in PBYI in Q2 2015 and has held it in 18 quarters since. The position peaked at $2.54M in Q1 2019. 161 funds tracked by Wall St. Rank hold PBYI as of Q2 2026.

  • Trexquant Investment held 72,223 shares of Puma Biotechnology worth $586K as of Q2 2026.
  • Puma Biotechnology was a new Trexquant Investment position in Q2 2026.
  • Puma Biotechnology made up ﹤0.01% of Trexquant Investment's portfolio in Q2 2026, its #1601 holding.
  • Trexquant Investment first reported a position in Puma Biotechnology in Q2 2015 and has held it in 18 quarters since.
  • Trexquant Investment's Puma Biotechnology position peaked at $2.54M in Q1 2019.
  • 161 funds tracked by Wall St. Rank held Puma Biotechnology as of Q2 2026.

Based on Trexquant Investment's 13F filing for Q2 2026, filed 14 Aug 2026.