GA
PSIX

Gagnon Advisors’s Power Solutions International PSIX Stock Holding History

Gagnon Advisors’s Portfolio PSIX Stock Details PSIX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-180,405
Closed -$11.7M – 26
2025
Q2 		$11.7M Sell
180,405
-143,079
-44% -$5.3M 7.84% 2
2025
Q1 		$8.18M Sell
323,484
-146,681
-31% -$5.06M 5.77% 4
2024
Q4 		$14M Sell
470,165
-287,579
-38% -$8.38M 8.96% 2
2024
Q3 		$15.6M Hold
757,744
– – 10.06% 1
2024
Q2 		$4.82M Buy
757,744
+56,433
+8% +$359K 3.67% 15
2024
Q1 		$1.61M Buy
701,311
+41,631
+6% +$95.3K 1.39% 23
2023
Q4 		$1.35M Hold
659,680
– – 1.18% 23
2023
Q3 		$2.16M Hold
659,680
– – 1.8% 21
2023
Q2 		$1.85M Hold
659,680
– – 1.24% 23
2023
Q1 		$1.68M Hold
659,680
– – 1.13% 23
2022
Q4 		$1.98M Hold
659,680
– – 1.34% 23
2022
Q3 		$1.12M Buy
659,680
+33,096
+5% +$56.2K 0.73% 28
2022
Q2 		$1.1M Hold
626,584
– – 0.66% 30
2022
Q1 		$1.96M Hold
626,584
– – 0.9% 27
2021
Q4 		$1.88M Hold
626,584
– – 0.75% 29
2021
Q3 		$2.51M Hold
626,584
– – 0.99% 29
2021
Q2 		$3.82M Hold
626,584
– – 1.45% 26
2021
Q1 		$4.61M Hold
626,584
– – 1.9% 24
2020
Q4 		$2.07M Hold
626,584
– – 0.93% 25
2020
Q3 		$1.91M Hold
626,584
– – 1.17% 24
2020
Q2 		$2.51M Buy
626,584
+113,584
+22% +$454K 1.8% 19
2020
Q1 		$2.36M Hold
513,000
– – 2.2% 19
2019
Q4 		$4.05M Buy
513,000
+12,299
+2% +$97.2K 2.27% 22
2019
Q3 		$3.65M Buy
500,701
+27,865
+6% +$203K 2.27% 22
2019
Q2 		$4.61M Buy
472,836
+27,030
+6% +$264K 2.63% 23
2019
Q1 		$3.34M Buy
445,806
+11,176
+3% +$83.7K 1.91% 24
2018
Q4 		$4.02M Buy
434,630
+45,982
+12% +$425K 2.83% 16
2018
Q3 		$4.57M Buy
388,648
+77,818
+25% +$914K 2.74% 15
2018
Q2 		$2.98M Buy
310,830
+14,723
+5% +$141K 1.89% 23
2018
Q1 		$2.19M Hold
296,107
– – 1.63% 23
2017
Q4 		$2.22M Buy
296,107
+732
+0.2% +$5.49K 1.63% 24
2017
Q3 		$2.57M Buy
295,375
+866
+0.3% +$7.54K 1.95% 24
2017
Q2 		$2.62M Buy
294,509
+353
+0.1% +$3.25K 2.26% 21
2017
Q1 		$2.97M Sell
294,156
-73,539
-20% -$456K 2.7% 17
2016
Q4 		$2.76M Hold
367,695
– – 2.28% 18
2016
Q3 		$3.77M Buy
367,695
+155,893
+74% +$2.24M 2.98% 15
2016
Q2 		$3.78M Hold
211,802
– – 3.2% 15
2016
Q1 		$2.92M Hold
211,802
– – 2.58% 18
2015
Q4 		$3.87M Sell
211,802
-489
-0.2% -$10.5K 2.86% 15
2015
Q3 		$4.82M Buy
212,291
+54,909
+35% +$2M 3.92% 12
2015
Q2 		$8.5M Buy
157,382
+905
+0.6% +$53.3K 5.82% 7
2015
Q1 		$10.1M Buy
156,477
+36,113
+30% +$1.88M 5.93% 7
2014
Q4 		$6.21M Buy
120,364
+12,671
+12% +$752K 3.74% 11
2014
Q3 		$7.43M Buy
107,693
+3,614
+3% +$245K 4.59% 8
2014
Q2 		$7.49M Buy
104,079
+3,000
+3% +$230K 4.68% 8
2014
Q1 		$7.6M Hold
101,079
– – 4.3% 7
2013
Q4 		$7.59M Buy
+101,079
New +$6.63M 4.39% 10

Other funds holding PSIX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $185B AUM 39.58% 1-Year Est. Return
BB
Busey Bank Urbana, Illinois $3.68B AUM 26.6% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
PCM
Portolan Capital Management Boston, Massachusetts $1.88B AUM 115.74% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $59.7B AUM 29.08% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Gagnon Advisors's PSIX Position: Q3 2025 in Review

Gagnon Advisors sold out of Power Solutions International (PSIX) in Q3 2025, closing a stake of 180,405 shares — an estimated $11.7M sold.

Gagnon Advisors first reported a position in PSIX in Q4 2013 and held it in 47 quarters. The position peaked at $15.6M in Q3 2024. 203 funds tracked by Wall St. Rank hold PSIX as of Q3 2025.

  • Gagnon Advisors reported no remaining Power Solutions International position as of Q3 2025 after selling out during the quarter.
  • Gagnon Advisors sold 180,405 Power Solutions International shares in Q3 2025, an estimated $11.7M.
  • Gagnon Advisors first reported a position in Power Solutions International in Q4 2013 and held it in 47 quarters.
  • Gagnon Advisors's Power Solutions International position peaked at $15.6M in Q3 2024.
  • 203 funds tracked by Wall St. Rank held Power Solutions International as of Q3 2025.

Based on Gagnon Advisors's 13F filing for Q3 2025, filed 3 Nov 2025.