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Livermore
Livermore
ZHEN

Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

PRLB holding history

Proto Labs Inc in every 13F filed by Renaissance Technologies LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

PRLB overviewAll 13F holders of PRLBFull Q2 2026 holdings

Shares (Q2 2026)
469,251
Value
$38.2M
% of portfolio
0.1%
Quarters held
22
Since Q1 2021
Holdings of PRLB by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026469,251$38.2M0.1%−51,000−9.8%ReducedHolders
Q1 2026520,251$29.7M<0.1%+26,700+5.4%AddedHolders
Q4 2025493,551$25.0M<0.1%−50,100−9.2%ReducedHolders
Q3 2025543,651$27.2M<0.1%+1,600+0.3%AddedHolders
Q2 2025542,051$21.7M<0.1%+10,400+2.0%AddedHolders
Q1 2025531,651$18.6M<0.1%−40,200−7.0%ReducedHolders
Q4 2024571,851$22.4M<0.1%+15,000+2.7%AddedHolders
Q3 2024556,851$16.4M<0.1%+121,028+27.8%AddedHolders
Q2 2024435,823$13.5M<0.1%+106,423+32.3%AddedHolders
Q1 2024329,400$11.8M<0.1%+39,800+13.7%AddedHolders
Q4 2023289,600$11.3M<0.1%+13,500+4.9%AddedHolders
Q3 2023276,100$7.29M<0.1%+74,184+36.7%AddedHolders
Q2 2023201,916$7.06M<0.1%+51,416+34.2%AddedHolders
Q1 2023150,500$4.99M<0.1%+25,800+20.7%AddedHolders
Q4 2022124,700$3.18M<0.1%−13,700−9.9%ReducedHolders
Q3 2022138,400$5.04M<0.1%+91,200+193.2%AddedHolders
Q2 202247,200$2.26M<0.1%+43,300+1,110.3%AddedHolders
Q1 20223,900$206.0K<0.1%−198,400−98.1%ReducedHolders
Q4 2021202,300$10.4M<0.1%+70,000+52.9%AddedHolders
Q3 2021132,300$8.81M<0.1%−29,083−18.0%ReducedHolders
Q2 2021161,383$14.8M<0.1%+102,686+174.9%AddedHolders
Q1 202158,697$7.15M<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.