Citadel Advisors’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 | – | Sell |
-6,800
| Closed | -$344K | – | 13964 |
|
|
2025
Q4 | $344K | Buy |
6,800
+400
| +6% | +$20.5K | ﹤0.01% | 9842 |
|
|
2025
Q3 | $320K | Buy |
+6,400
| New | +$293K | ﹤0.01% | 10206 |
|
|
2025
Q2 | – | Sell |
-42,100
| Closed | -$1.48M | – | 14534 |
|
|
2025
Q1 | $1.48M | Buy |
42,100
+2,300
| +6% | +$90.7K | ﹤0.01% | 6121 |
|
|
2024
Q4 | $1.56M | Buy |
39,800
+21,200
| +114% | +$762K | ﹤0.01% | 6152 |
|
|
2024
Q3 | $546K | Sell |
18,600
-10,800
| -37% | -$330K | ﹤0.01% | 8075 |
|
|
2024
Q2 | $908K | Buy |
29,400
+15,000
| +104% | +$475K | ﹤0.01% | 6786 |
|
|
2024
Q1 | $515K | Buy |
14,400
+7,000
| +95% | +$253K | ﹤0.01% | 8325 |
|
|
2023
Q4 | $288K | Buy |
7,400
+3,500
| +90% | +$113K | ﹤0.01% | 9247 |
|
|
2023
Q3 | $103K | Sell |
3,900
-4,800
| -55% | -$145K | ﹤0.01% | 10861 |
|
|
2023
Q2 | $304K | Buy |
8,700
+1,200
| +16% | +$38.2K | ﹤0.01% | 9020 |
|
|
2023
Q1 | $249K | Sell |
7,500
-700
| -9% | -$21.7K | ﹤0.01% | 9774 |
|
|
2022
Q4 | $209K | Sell |
8,200
-800
| -9% | -$23.8K | ﹤0.01% | 10044 |
|
|
2022
Q3 | $328K | Sell |
9,000
-10,700
| -54% | -$464K | ﹤0.01% | 9369 |
|
|
2022
Q2 | $942K | Sell |
19,700
-18,100
| -48% | -$839K | ﹤0.01% | 7155 |
|
|
2022
Q1 | $2M | Buy |
37,800
+13,600
| +56% | +$716K | ﹤0.01% | 6082 |
|
|
2021
Q4 | $1.24M | Sell |
24,200
-68,200
| -74% | -$4.02M | ﹤0.01% | 7404 |
|
|
2021
Q3 | $6.15M | Buy |
92,400
+10,100
| +12% | +$789K | ﹤0.01% | 3925 |
|
|
2021
Q2 | $7.55M | Buy |
82,300
+16,100
| +24% | +$1.59M | ﹤0.01% | 3596 |
|
|
2021
Q1 | $8.06M | Buy |
66,200
+24,700
| +60% | +$4.11M | ﹤0.01% | 3314 |
|
|
2020
Q4 | $6.37M | Buy |
41,500
+11,700
| +39% | +$1.65M | ﹤0.01% | 3274 |
|
|
2020
Q3 | $3.86M | Buy |
29,800
+17,600
| +144% | +$2.31M | ﹤0.01% | 3542 |
|
|
2020
Q2 | $1.37M | Buy |
12,200
+500
| +4% | +$51.3K | ﹤0.01% | 5243 |
|
|
2020
Q1 | $891K | Buy |
11,700
+6,200
| +113% | +$575K | ﹤0.01% | 5535 |
|
|
2019
Q4 | $559K | Sell |
5,500
-5,900
| -52% | -$585K | ﹤0.01% | 6638 |
|
|
2019
Q3 | $1.16M | Buy |
11,400
+1,600
| +16% | +$163K | ﹤0.01% | 5327 |
|
|
2019
Q2 | $1.14M | Sell |
9,800
-2,200
| -18% | -$237K | ﹤0.01% | 5492 |
|
|
2019
Q1 | $1.26M | Sell |
12,000
-12,800
| -52% | -$1.44M | ﹤0.01% | 5190 |
|
|
2018
Q4 | $2.8M | Sell |
24,800
-8,100
| -25% | -$999K | ﹤0.01% | 3637 |
|
|
2018
Q3 | $5.32M | Buy |
32,900
+10,600
| +48% | +$1.5M | ﹤0.01% | 2921 |
|
|
2018
Q2 | $2.65M | Buy |
22,300
+10,100
| +83% | +$1.24M | ﹤0.01% | 3676 |
|
|
2018
Q1 | $1.43M | Buy |
12,200
+2,400
| +24% | +$271K | ﹤0.01% | 4249 |
|
|
2017
Q4 | $1.01M | Buy |
9,800
+1,900
| +24% | +$171K | ﹤0.01% | 4635 |
|
|
2017
Q3 | $634K | Buy |
7,900
+700
| +10% | +$50.6K | ﹤0.01% | 4977 |
|
|
2017
Q2 | $484K | Buy |
7,200
+800
| +13% | +$48.3K | ﹤0.01% | 5159 |
|
|
2017
Q1 | $327K | Sell |
6,400
-900
| -12% | -$47.7K | ﹤0.01% | 5765 |
|
|
2016
Q4 | $375K | Sell |
7,300
-6,700
| -48% | -$351K | ﹤0.01% | 5345 |
|
|
2016
Q3 | $839K | Sell |
14,000
-8,800
| -39% | -$506K | ﹤0.01% | 4060 |
|
|
2016
Q2 | $1.31M | Buy |
22,800
+5,800
| +34% | +$387K | ﹤0.01% | 3237 |
|
|
2016
Q1 | $1.31M | Sell |
17,000
-6,000
| -26% | -$387K | ﹤0.01% | 3138 |
|
|
2015
Q4 | $1.47M | Sell |
23,000
-3,300
| -13% | -$213K | ﹤0.01% | 3110 |
|
|
2015
Q3 | $1.76M | Sell |
26,300
-7,400
| -22% | -$527K | ﹤0.01% | 3108 |
|
|
2015
Q2 | $2.27M | Buy |
33,700
+16,300
| +94% | +$1.15M | ﹤0.01% | 2923 |
|
|
2015
Q1 | $1.22M | Buy |
17,400
+3,300
| +23% | +$223K | ﹤0.01% | 3675 |
|
|
2014
Q4 | $947K | Sell |
14,100
-8,600
| -38% | -$565K | ﹤0.01% | 3835 |
|
|
2014
Q3 | $1.57M | Sell |
22,700
-6,200
| -21% | -$485K | ﹤0.01% | 3147 |
|
|
2014
Q2 | $2.37M | Sell |
28,900
-3,200
| -10% | -$217K | ﹤0.01% | 2570 |
|
|
2014
Q1 | $2.17M | Sell |
32,100
-16,500
| -34% | -$1.23M | ﹤0.01% | 2570 |
|
|
2013
Q4 | $3.46M | Buy |
48,600
+5,800
| +14% | +$450K | ﹤0.01% | 2011 |
|
|
2013
Q3 | $3.27M | Buy |
42,800
+24,500
| +134% | +$1.7M | 0.01% | 1951 |
|
|
2013
Q2 | $1.19M | Buy |
+18,300
| New | +$983K | ﹤0.01% | 3010 |
|
Other funds holding PRLB
DGI
VPM
VCM
ACM
RCMNY
Citadel Advisors's PRLB Position: Q1 2026 in Review
Citadel Advisors increased its Protolabs (PRLB) stake by 257% in Q1 2026, buying an estimated $1.86M and bringing the position to 44,518 shares worth $2.54M. The position accounts for ﹤0.01% of the portfolio, ranked #5585.
Citadel Advisors first reported a position in PRLB in Q2 2013 and has held it in 43 quarters since. The position peaked at $14.9M in Q1 2021. 262 funds tracked by Wall St. Rank hold PRLB as of Q1 2026.
- Citadel Advisors held 44,518 shares of Protolabs worth $2.54M as of Q1 2026.
- Citadel Advisors bought 32,057 Protolabs shares in Q1 2026, an estimated $1.86M.
- Protolabs made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #5585 holding.
- Citadel Advisors first reported a position in Protolabs in Q2 2013 and has held it in 43 quarters since.
- Citadel Advisors's Protolabs position peaked at $14.9M in Q1 2021.
- 262 funds tracked by Wall St. Rank held Protolabs as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.