NSIM
PPBT

North Star Investment Management’s Purple Biotech PPBT Stock Holding History

North Star Investment Management’s Portfolio PPBT Stock Details PPBT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		– Sell
-2
Closed -$9 – 1608
2025
Q3 		$9 Hold
2
– – ﹤0.01% 1318
2025
Q2 		$35 Hold
2
– – ﹤0.01% 1203
2025
Q1 		$40 Hold
2
– – ﹤0.01% 1189
2024
Q4 		$70 Hold
2
– – ﹤0.01% 1202
2024
Q3 		$83 Hold
2
– – ﹤0.01% 1166
2024
Q2 		$122 Hold
2
– – ﹤0.01% 1140
2024
Q1 		$201 Hold
2
– – ﹤0.01% 1204
2023
Q4 		$234 Hold
2
– – ﹤0.01% 1155
2023
Q3 		$357 Hold
2
– – ﹤0.01% 1221
2023
Q2 		$418 Hold
2
– – ﹤0.01% 1228
2023
Q1 		$537 Hold
2
– – ﹤0.01% 1233
2022
Q4 		$414 Hold
2
– – ﹤0.01% 1248
2022
Q3 		$1K Hold
2
– – ﹤0.01% 1093
2022
Q2 		$1K Hold
2
– – ﹤0.01% 1098
2022
Q1 		$1K Hold
2
– – ﹤0.01% 1114
2021
Q4 		$1K Hold
2
– – ﹤0.01% 1142
2021
Q3 		$1K Hold
2
– – ﹤0.01% 1089
2021
Q2 		$1K Hold
2
– – ﹤0.01% 1063
2021
Q1 		$1K Hold
2
– – ﹤0.01% 1026
2020
Q4 		$1K Hold
2
– – ﹤0.01% 1001
2020
Q3 		$1K Buy
+2
New +$2.47K ﹤0.01% 982

Other funds holding PPBT

Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $124B AUM 33.93% 1-Year Est. Return
SP
SmartHarvest Portfolios Poulsbo, Washington $240M AUM
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
BNP Paribas Financial Markets
BNP Paribas Financial Markets Paris, France $206B AUM 31.61% 1-Year Est. Return
Two Sigma Advisers
Two Sigma Advisers New York $51.4B AUM 31.07% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return
RhumbLine Advisers
RhumbLine Advisers Boston, Massachusetts $117B AUM 29.66% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

North Star Investment Management's PPBT Position: Q4 2025 in Review

North Star Investment Management sold out of Purple Biotech (PPBT) in Q4 2025, closing a stake of 2 shares — an estimated $9 sold.

North Star Investment Management first reported a position in PPBT in Q3 2020 and held it in 21 quarters. The position peaked at $1K in Q3 2022. 19 funds tracked by Wall St. Rank hold PPBT as of Q4 2025.

  • North Star Investment Management reported no remaining Purple Biotech position as of Q4 2025 after selling out during the quarter.
  • North Star Investment Management sold 2 Purple Biotech shares in Q4 2025, an estimated $9.
  • North Star Investment Management first reported a position in Purple Biotech in Q3 2020 and held it in 21 quarters.
  • North Star Investment Management's Purple Biotech position peaked at $1K in Q3 2022.
  • 19 funds tracked by Wall St. Rank held Purple Biotech as of Q4 2025.

Based on North Star Investment Management's 13F filing for Q4 2025, filed 30 Jan 2026.