Renaissance Technologies’s Protolabs PRLB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $29.7M | Buy |
520,251
+26,700
| +5% | +$1.55M | 0.05% | 500 |
|
|
2025
Q4 | $25M | Sell |
493,551
-50,100
| -9% | -$2.56M | 0.04% | 507 |
|
|
2025
Q3 | $27.2M | Buy |
543,651
+1,600
| +0.3% | +$73.3K | 0.04% | 591 |
|
|
2025
Q2 | $21.7M | Buy |
542,051
+10,400
| +2% | +$387K | 0.03% | 678 |
|
|
2025
Q1 | $18.6M | Sell |
531,651
-40,200
| -7% | -$1.58M | 0.03% | 692 |
|
|
2024
Q4 | $22.4M | Buy |
571,851
+15,000
| +3% | +$539K | 0.03% | 617 |
|
|
2024
Q3 | $16.4M | Buy |
556,851
+121,028
| +28% | +$3.69M | 0.02% | 782 |
|
|
2024
Q2 | $13.5M | Buy |
435,823
+106,423
| +32% | +$3.37M | 0.02% | 772 |
|
|
2024
Q1 | $11.8M | Buy |
329,400
+39,800
| +14% | +$1.44M | 0.02% | 907 |
|
|
2023
Q4 | $11.3M | Buy |
289,600
+13,500
| +5% | +$437K | 0.02% | 882 |
|
|
2023
Q3 | $7.29M | Buy |
276,100
+74,184
| +37% | +$2.24M | 0.01% | 1093 |
|
|
2023
Q2 | $7.06M | Buy |
201,916
+51,416
| +34% | +$1.64M | 0.01% | 1211 |
|
|
2023
Q1 | $4.99M | Buy |
150,500
+25,800
| +21% | +$798K | 0.01% | 1478 |
|
|
2022
Q4 | $3.18M | Sell |
124,700
-13,700
| -10% | -$407K | ﹤0.01% | 1778 |
|
|
2022
Q3 | $5.04M | Buy |
138,400
+91,200
| +193% | +$3.95M | 0.01% | 1433 |
|
|
2022
Q2 | $2.26M | Buy |
47,200
+43,300
| +1,110% | +$2.01M | ﹤0.01% | 2102 |
|
|
2022
Q1 | $206K | Sell |
3,900
-198,400
| -98% | -$10.4M | ﹤0.01% | 3633 |
|
|
2021
Q4 | $10.4M | Buy |
202,300
+70,000
| +53% | +$4.13M | 0.01% | 1049 |
|
|
2021
Q3 | $8.81M | Sell |
132,300
-29,083
| -18% | -$2.27M | 0.01% | 1107 |
|
|
2021
Q2 | $14.8M | Buy |
161,383
+102,686
| +175% | +$10.1M | 0.02% | 928 |
|
|
2021
Q1 | $7.15M | Buy |
+58,697
| New | +$9.76M | 0.01% | 1425 |
|
|
2020
Q1 | – | Sell |
-9,300
| Closed | -$944K | – | 3710 |
|
|
2019
Q4 | $944K | Sell |
9,300
-6,400
| -41% | -$634K | ﹤0.01% | 2659 |
|
|
2019
Q3 | $1.6M | Buy |
+15,700
| New | +$1.6M | ﹤0.01% | 2396 |
|
|
2019
Q2 | – | Sell |
-48,800
| Closed | -$5.13M | – | 3717 |
|
|
2019
Q1 | $5.13M | Sell |
48,800
-23,300
| -32% | -$2.61M | ﹤0.01% | 1791 |
|
|
2018
Q4 | $8.13M | Buy |
+72,100
| New | +$8.89M | 0.01% | 1432 |
|
|
2016
Q2 | – | Sell |
-3,300
| Closed | -$254K | – | 3474 |
|
|
2016
Q1 | $254K | Sell |
3,300
-2,600
| -44% | -$168K | ﹤0.01% | 3022 |
|
|
2015
Q4 | $376K | Sell |
5,900
-71,600
| -92% | -$4.62M | ﹤0.01% | 2819 |
|
|
2015
Q3 | $5.19M | Buy |
+77,500
| New | +$5.52M | 0.01% | 1372 |
|
Other funds holding PRLB
DGI
VPM
VCM
ACM
RCMNY
Renaissance Technologies's PRLB Position: Q1 2026 in Review
Renaissance Technologies increased its Protolabs (PRLB) stake by 5.4% in Q1 2026, buying an estimated $1.55M and bringing the position to 520,251 shares worth $29.7M. The position accounts for 0.05% of the portfolio, ranked #500.
Renaissance Technologies first reported a position in PRLB in Q3 2015 and has held it in 28 quarters since. 262 funds tracked by Wall St. Rank hold PRLB as of Q1 2026.
- Renaissance Technologies held 520,251 shares of Protolabs worth $29.7M as of Q1 2026.
- Renaissance Technologies bought 26,700 Protolabs shares in Q1 2026, an estimated $1.55M.
- Protolabs made up 0.05% of Renaissance Technologies's portfolio in Q1 2026, its #500 holding.
- Renaissance Technologies first reported a position in Protolabs in Q3 2015 and has held it in 28 quarters since.
- 262 funds tracked by Wall St. Rank held Protolabs as of Q1 2026.
Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.