Simplex Trading
PDFS icon

Simplex Trading’s PDF Solutions PDFS Stock Holding History

Simplex Trading’s Portfolio PDFS Stock Details PDFS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$6.54K Sell
200
-100
-33% -$3.27K ﹤0.01% 7708
2025
Q4 		$8.56K Sell
300
-8,300
-97% -$230K ﹤0.01% 7084
2025
Q3 		$222K Buy
+8,600
New +$188K ﹤0.01% 4818
2023
Q4 		– Sell
-400
Closed -$12K – 9562
2023
Q3 		$12K Hold
400
– – ﹤0.01% 7058
2023
Q2 		$18K Buy
+400
New +$16.3K ﹤0.01% 6887
2022
Q2 		– Sell
-100
Closed -$2K – 10802
2022
Q1 		$2K Buy
+100
New +$2.79K ﹤0.01% 9902
2020
Q3 		– Sell
-3
Closed -$5K – 8305
2020
Q2 		$5K Buy
3
+2
+200% +$33 ﹤0.01% 6989
2020
Q1 		$1K Buy
+1
New +$15 ﹤0.01% 7389
2019
Q2 		– Sell
-1
Closed -$1K – 7599
2019
Q1 		$1K Buy
+1
New +$11 ﹤0.01% 6925
2018
Q4 		– Sell
-6
Closed -$5K – 7601
2018
Q3 		$5K Hold
6
– – ﹤0.01% 6774
2018
Q2 		$7K Buy
+6
New +$72 ﹤0.01% 6544
2017
Q2 		– Sell
-35
Closed -$4K – 6609
2017
Q1 		$4K Buy
35
+3
+9% +$67 ﹤0.01% 4796
2016
Q4 		$7K Buy
+32
New +$669 ﹤0.01% 4072

Other funds holding PDFS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
NIM
Needham Investment Management New York $1.96B AUM 101.23% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
RIM
Ranger Investment Management Dallas, Texas $1.38B AUM 24.55% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $30.5B AUM 29.95% 1-Year Est. Return
OAM
Ophir Asset Management Sydney, Australia $859M AUM 59.08% 1-Year Est. Return
SCM
Snyder Capital Management San Francisco, California $5.16B AUM 26.72% 1-Year Est. Return

Simplex Trading's PDFS Position: Q1 2026 in Review

Simplex Trading sold out of PDF Solutions (PDFS) in Q1 2026, closing a stake of 540 shares — an estimated $17.6K sold.

Simplex Trading first reported a position in PDFS in Q1 2015 and held it in 25 quarters. The position peaked at $767K in Q1 2019. 208 funds tracked by Wall St. Rank hold PDFS as of Q1 2026.

  • Simplex Trading reported no remaining PDF Solutions position as of Q1 2026 after selling out during the quarter.
  • Simplex Trading sold 540 PDF Solutions shares in Q1 2026, an estimated $17.6K.
  • Simplex Trading first reported a position in PDF Solutions in Q1 2015 and held it in 25 quarters.
  • Simplex Trading's PDF Solutions position peaked at $767K in Q1 2019.
  • 208 funds tracked by Wall St. Rank held PDF Solutions as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.