Two Sigma Investments
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Two Sigma Investments’s PDF Solutions PDFS Stock Holding History

Two Sigma Investments’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 		– Sell
-64,986
Closed -$1.85M – 4836
2025
Q4 		$1.85M Buy
64,986
+54,228
+504% +$1.5M ﹤0.01% 2487
2025
Q3 		$278K Buy
+10,758
New +$235K ﹤0.01% 3247
2025
Q1 		– Sell
-12,254
Closed -$332K – 3421
2024
Q4 		$332K Buy
+12,254
New +$369K ﹤0.01% 2706
2024
Q3 		– Sell
-7,758
Closed -$282K – 3284
2024
Q2 		$282K Sell
7,758
-28,921
-79% -$967K ﹤0.01% 2622
2024
Q1 		$1.23M Sell
36,679
-95,979
-72% -$3.15M ﹤0.01% 1817
2023
Q4 		$4.26M Buy
132,658
+43,223
+48% +$1.31M 0.01% 1079
2023
Q3 		$2.9M Buy
89,435
+338
+0.4% +$12.9K 0.01% 1177
2023
Q2 		$4.02M Sell
89,097
-14,548
-14% -$594K 0.01% 1031
2023
Q1 		$4.39M Buy
103,645
+90,907
+714% +$3.19M 0.01% 976
2022
Q4 		$363K Sell
12,738
-14,986
-54% -$405K ﹤0.01% 2164
2022
Q3 		$680K Sell
27,724
-33,595
-55% -$849K ﹤0.01% 1636
2022
Q2 		$1.32M Buy
61,319
+17,213
+39% +$398K ﹤0.01% 1411
2022
Q1 		$1.23M Sell
44,106
-76,191
-63% -$2.13M ﹤0.01% 1606
2021
Q4 		$3.82M Buy
120,297
+13,049
+12% +$363K 0.01% 1371
2021
Q3 		$2.47M Sell
107,248
-110,481
-51% -$2.28M 0.01% 1787
2021
Q2 		$3.96M Buy
217,729
+44,020
+25% +$789K 0.01% 1340
2021
Q1 		$3.09M Buy
173,709
+96,109
+124% +$1.9M 0.01% 1375
2020
Q4 		$1.68M Sell
77,600
-10,926
-12% -$229K ﹤0.01% 1610
2020
Q3 		$1.66M Buy
+88,526
New +$1.82M 0.01% 1415
2019
Q2 		– Sell
-20,758
Closed -$256K – 3581
2019
Q1 		$256K Sell
20,758
-116,939
-85% -$1.29M ﹤0.01% 2697
2018
Q4 		$1.16M Sell
137,697
-102,361
-43% -$868K ﹤0.01% 1553
2018
Q3 		$2.17M Buy
240,058
+160,879
+203% +$1.62M 0.01% 1419
2018
Q2 		$949K Sell
79,179
-124,185
-61% -$1.48M ﹤0.01% 2185
2018
Q1 		$2.37M Buy
203,364
+97,741
+93% +$1.3M 0.01% 1412
2017
Q4 		$1.66M Buy
105,623
+25,440
+32% +$409K 0.01% 1610
2017
Q3 		$1.24M Buy
+80,183
New +$1.29M ﹤0.01% 1591
2016
Q4 		– Sell
-63,251
Closed -$1.15M – 3425
2016
Q3 		$1.15M Sell
63,251
-87
-0.1% -$1.42K ﹤0.01% 1858
2016
Q2 		$886K Sell
63,338
-377
-0.6% -$5.12K ﹤0.01% 1837
2016
Q1 		$853K Buy
63,715
+17,482
+38% +$191K ﹤0.01% 1693
2015
Q4 		$501K Sell
46,233
-39,227
-46% -$425K ﹤0.01% 1966
2015
Q3 		$855K Buy
+85,460
New +$1.07M ﹤0.01% 1276
2015
Q1 		– Sell
-99,961
Closed -$1.49M – 2796
2014
Q4 		$1.49M Buy
99,961
+43,594
+77% +$570K 0.01% 1171
2014
Q3 		$711K Buy
+56,367
New +$1.12M ﹤0.01% 1180
2014
Q1 		– Sell
-28,624
Closed -$734K – 2189
2013
Q4 		$734K Sell
28,624
-53,657
-65% -$1.23M ﹤0.01% 1483
2013
Q3 		$1.75M Buy
+82,281
New +$1.69M 0.01% 824

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

Two Sigma Investments's PDFS Position: Q1 2026 in Review

Two Sigma Investments sold out of PDF Solutions (PDFS) in Q1 2026, closing a stake of 64,986 shares — an estimated $1.85M sold.

Two Sigma Investments first reported a position in PDFS in Q3 2013 and held it in 35 quarters. The position peaked at $4.39M in Q1 2023. 208 funds tracked by Wall St. Rank hold PDFS as of Q1 2026.

  • Two Sigma Investments reported no remaining PDF Solutions position as of Q1 2026 after selling out during the quarter.
  • Two Sigma Investments sold 64,986 PDF Solutions shares in Q1 2026, an estimated $1.85M.
  • Two Sigma Investments first reported a position in PDF Solutions in Q3 2013 and held it in 35 quarters.
  • Two Sigma Investments's PDF Solutions position peaked at $4.39M in Q1 2023.
  • 208 funds tracked by Wall St. Rank held PDF Solutions as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.