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 		$9.81K Sell
300
-400
-57% -$13.1K ﹤0.01% 7378
2025
Q4 		$20K Buy
+700
New +$19.4K ﹤0.01% 6481
2025
Q1 		– Sell
-6,000
Closed -$162K – 9370
2024
Q4 		$162K Buy
+6,000
New +$181K ﹤0.01% 4721
2022
Q4 		– Sell
-200
Closed -$4K – 10110
2022
Q3 		$4K Buy
+200
New +$5.05K ﹤0.01% 8947
2022
Q1 		– Sell
-900
Closed -$28K – 11143
2021
Q4 		$28K Buy
+900
New +$25K ﹤0.01% 7996
2020
Q4 		– Sell
-12
Closed -$22K – 8885
2020
Q3 		$22K Buy
12
+9
+300% +$185 ﹤0.01% 6300
2020
Q2 		$5K Buy
+3
New +$49 ﹤0.01% 6990
2020
Q1 		– Sell
-1
Closed -$1K – 8085
2019
Q4 		$1K Sell
1
-444
-100% -$6.81K ﹤0.01% 7118
2019
Q3 		$581K Sell
445
-12
-3% -$151 ﹤0.01% 2456
2019
Q2 		$599K Buy
457
+280
+158% +$3.59K ﹤0.01% 2403
2019
Q1 		$218K Sell
177
-272
-61% -$3.01K ﹤0.01% 3518
2018
Q4 		$378K Sell
449
-346
-44% -$2.94K ﹤0.01% 2482
2018
Q3 		$717K Buy
795
+771
+3,213% +$7.76K ﹤0.01% 2233
2018
Q2 		$28K Buy
+24
New +$287 ﹤0.01% 5592
2018
Q1 		– Sell
-4
Closed -$1K – 6679
2017
Q4 		$1K Buy
+4
New +$64 ﹤0.01% 5592
2017
Q3 		– Sell
-7
Closed -$1K – 6443
2017
Q2 		$1K Buy
+7
New +$130 ﹤0.01% 5674

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.