State of Wisconsin Investment Board’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 | $618K | Sell |
10,840
-2,419
| -18% | -$140K | ﹤0.01% | 1887 |
|
|
2025
Q4 | $671K | Buy |
13,259
+3,928
| +42% | +$201K | ﹤0.01% | 1817 |
|
|
2025
Q3 | $467K | Buy |
+9,331
| New | +$428K | ﹤0.01% | 1932 |
|
|
2024
Q2 | – | Sell |
-12,141
| Closed | -$434K | – | 2365 |
|
|
2024
Q1 | $434K | Sell |
12,141
-5,533
| -31% | -$200K | ﹤0.01% | 1824 |
|
|
2023
Q4 | $689K | Sell |
17,674
-1,320
| -7% | -$42.7K | ﹤0.01% | 1532 |
|
|
2023
Q3 | $501K | Sell |
18,994
-24,385
| -56% | -$736K | ﹤0.01% | 1765 |
|
|
2023
Q2 | $1.52M | Sell |
43,379
-7,545
| -15% | -$240K | ﹤0.01% | 1366 |
|
|
2023
Q1 | $1.69M | Sell |
50,924
-10,004
| -16% | -$309K | 0.01% | 1349 |
|
|
2022
Q4 | $1.56M | Buy |
60,928
+19,302
| +46% | +$573K | 0.01% | 1379 |
|
|
2022
Q3 | $1.52M | Sell |
41,626
-19,648
| -32% | -$852K | ﹤0.01% | 1413 |
|
|
2022
Q2 | $2.93M | Buy |
61,274
+6,724
| +12% | +$312K | 0.01% | 1254 |
|
|
2022
Q1 | $2.89M | Buy |
54,550
+9,700
| +22% | +$510K | 0.01% | 1378 |
|
|
2021
Q4 | $2.3M | Buy |
44,850
+7,500
| +20% | +$443K | ﹤0.01% | 1245 |
|
|
2021
Q3 | $2.49M | Sell |
37,350
-1,800
| -5% | -$141K | 0.01% | 1232 |
|
|
2021
Q2 | $3.59M | Hold |
39,150
| – | – | 0.01% | 1146 |
|
|
2021
Q1 | $4.77M | Sell |
39,150
-8,200
| -17% | -$1.36M | 0.01% | 1035 |
|
|
2020
Q4 | $7.26M | Sell |
47,350
-6,300
| -12% | -$889K | 0.02% | 836 |
|
|
2020
Q3 | $6.95M | Sell |
53,650
-7,300
| -12% | -$960K | 0.02% | 796 |
|
|
2020
Q2 | $6.86M | Buy |
60,950
+2,200
| +4% | +$226K | 0.02% | 765 |
|
|
2020
Q1 | $4.47M | Sell |
58,750
-9,200
| -14% | -$853K | 0.01% | 822 |
|
|
2019
Q4 | $6.9M | Hold |
67,950
| – | – | 0.02% | 828 |
|
|
2019
Q3 | $6.94M | Buy |
67,950
+2,300
| +4% | +$234K | 0.02% | 742 |
|
|
2019
Q2 | $7.62M | Buy |
65,650
+750
| +1% | +$80.7K | 0.02% | 700 |
|
|
2019
Q1 | $6.82M | Buy |
64,900
+13,400
| +26% | +$1.5M | 0.02% | 751 |
|
|
2018
Q4 | $5.81M | Hold |
51,500
| – | – | 0.02% | 734 |
|
|
2018
Q3 | $8.33M | Hold |
51,500
| – | – | 0.02% | 719 |
|
|
2018
Q2 | $6.13M | Hold |
51,500
| – | – | 0.02% | 818 |
|
|
2018
Q1 | $6.05M | Hold |
51,500
| – | – | 0.02% | 811 |
|
|
2017
Q4 | $5.3M | Hold |
51,500
| – | – | 0.01% | 842 |
|
|
2017
Q3 | $4.13M | Buy |
51,500
+10,000
| +24% | +$723K | 0.01% | 874 |
|
|
2017
Q2 | $2.79M | Buy |
41,500
+7,150
| +21% | +$432K | 0.01% | 918 |
|
|
2017
Q1 | $1.75M | Hold |
34,350
| – | – | 0.01% | 925 |
|
|
2016
Q4 | $1.76M | Buy |
+34,350
| New | +$1.8M | 0.01% | 1081 |
|
Other funds holding PRLB
DGI
VPM
VCM
ACM
RCMNY
State of Wisconsin Investment Board's PRLB Position: Q1 2026 in Review
State of Wisconsin Investment Board reduced its Protolabs (PRLB) stake by 18% in Q1 2026, selling an estimated $140K and leaving 10,840 shares worth $618K. The position accounts for ﹤0.01% of the portfolio, ranked #1887.
State of Wisconsin Investment Board first reported a position in PRLB in Q4 2016 and has held it in 33 quarters since. The position peaked at $8.33M in Q3 2018. 262 funds tracked by Wall St. Rank hold PRLB as of Q1 2026.
- State of Wisconsin Investment Board held 10,840 shares of Protolabs worth $618K as of Q1 2026.
- State of Wisconsin Investment Board sold 2,419 Protolabs shares in Q1 2026, an estimated $140K.
- Protolabs made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #1887 holding.
- State of Wisconsin Investment Board first reported a position in Protolabs in Q4 2016 and has held it in 33 quarters since.
- State of Wisconsin Investment Board's Protolabs position peaked at $8.33M in Q3 2018.
- 262 funds tracked by Wall St. Rank held Protolabs as of Q1 2026.
Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.