Historical shareholding details of Renaissance Technologies Corp holdings in Proto Labs Inc (PRLB)

Monthly changes of Renaissance Technologies Corp shareholding in Proto Labs Inc over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Mar 31, 2025	Renaissance Technologies Corp	531,651	2.24%

Dec 31, 2024	Renaissance Technologies Corp	571,851	2.41%

Sep 30, 2024	Renaissance Technologies Corp	556,851	2.27%

Jun 30, 2024	Renaissance Technologies Corp	435,823	1.78%

Mar 31, 2024	Renaissance Technologies Corp	329,400	1.31%

Dec 31, 2023	Renaissance Technologies Corp	289,600	1.13%

Sep 30, 2023	Renaissance Technologies Corp	276,100	1.07%

Jun 30, 2023	Renaissance Technologies Corp	201,916	0.77%

Mar 31, 2023	Renaissance Technologies Corp	150,500	0.58%