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 | $576K | Buy |
10,100
+3,200
| +46% | +$186K | ﹤0.01% | 8958 |
|
|
2025
Q4 | $349K | Sell |
6,900
-10,800
| -61% | -$552K | ﹤0.01% | 9816 |
|
|
2025
Q3 | $886K | Sell |
17,700
-9,900
| -36% | -$454K | ﹤0.01% | 7793 |
|
|
2025
Q2 | $1.11M | Sell |
27,600
-4,900
| -15% | -$183K | ﹤0.01% | 6879 |
|
|
2025
Q1 | $1.14M | Sell |
32,500
-22,200
| -41% | -$875K | ﹤0.01% | 6683 |
|
|
2024
Q4 | $2.14M | Buy |
54,700
+20,300
| +59% | +$730K | ﹤0.01% | 5487 |
|
|
2024
Q3 | $1.01M | Sell |
34,400
-6,700
| -16% | -$204K | ﹤0.01% | 6849 |
|
|
2024
Q2 | $1.27M | Buy |
41,100
+5,100
| +14% | +$162K | ﹤0.01% | 6141 |
|
|
2024
Q1 | $1.29M | Buy |
36,000
+1,200
| +3% | +$43.3K | ﹤0.01% | 6413 |
|
|
2023
Q4 | $1.36M | Buy |
34,800
+25,700
| +282% | +$832K | ﹤0.01% | 6070 |
|
|
2023
Q3 | $240K | Sell |
9,100
-18,700
| -67% | -$565K | ﹤0.01% | 9569 |
|
|
2023
Q2 | $972K | Buy |
27,800
+9,100
| +49% | +$290K | ﹤0.01% | 6513 |
|
|
2023
Q1 | $620K | Buy |
18,700
+14,200
| +316% | +$439K | ﹤0.01% | 7870 |
|
|
2022
Q4 | $115K | Sell |
4,500
-23,700
| -84% | -$704K | ﹤0.01% | 11024 |
|
|
2022
Q3 | $1.03M | Sell |
28,200
-3,700
| -12% | -$160K | ﹤0.01% | 6927 |
|
|
2022
Q2 | $1.53M | Sell |
31,900
-35,100
| -52% | -$1.63M | ﹤0.01% | 6100 |
|
|
2022
Q1 | $3.54M | Buy |
67,000
+21,700
| +48% | +$1.14M | ﹤0.01% | 4843 |
|
|
2021
Q4 | $2.33M | Sell |
45,300
-50,900
| -53% | -$3M | ﹤0.01% | 5896 |
|
|
2021
Q3 | $6.41M | Sell |
96,200
-14,600
| -13% | -$1.14M | ﹤0.01% | 3844 |
|
|
2021
Q2 | $10.2M | Buy |
110,800
+51,500
| +87% | +$5.07M | ﹤0.01% | 3038 |
|
|
2021
Q1 | $7.22M | Buy |
59,300
+6,900
| +13% | +$1.15M | ﹤0.01% | 3515 |
|
|
2020
Q4 | $8.04M | Buy |
52,400
+3,200
| +7% | +$451K | ﹤0.01% | 2935 |
|
|
2020
Q3 | $6.37M | Buy |
49,200
+14,400
| +41% | +$1.89M | ﹤0.01% | 2827 |
|
|
2020
Q2 | $3.91M | Buy |
34,800
+15,800
| +83% | +$1.62M | ﹤0.01% | 3431 |
|
|
2020
Q1 | $1.45M | Buy |
19,000
+13,400
| +239% | +$1.24M | ﹤0.01% | 4685 |
|
|
2019
Q4 | $569K | Sell |
5,600
-2,900
| -34% | -$287K | ﹤0.01% | 6614 |
|
|
2019
Q3 | $868K | Sell |
8,500
-4,000
| -32% | -$408K | ﹤0.01% | 5836 |
|
|
2019
Q2 | $1.45M | Buy |
12,500
+200
| +2% | +$21.5K | ﹤0.01% | 5081 |
|
|
2019
Q1 | $1.29M | Sell |
12,300
-11,100
| -47% | -$1.25M | ﹤0.01% | 5150 |
|
|
2018
Q4 | $2.64M | Sell |
23,400
-1,700
| -7% | -$210K | ﹤0.01% | 3724 |
|
|
2018
Q3 | $4.06M | Buy |
25,100
+8,500
| +51% | +$1.2M | ﹤0.01% | 3268 |
|
|
2018
Q2 | $1.98M | Buy |
16,600
+700
| +4% | +$85.7K | ﹤0.01% | 4134 |
|
|
2018
Q1 | $1.87M | Sell |
15,900
-2,100
| -12% | -$237K | ﹤0.01% | 3835 |
|
|
2017
Q4 | $1.85M | Buy |
18,000
+7,500
| +71% | +$673K | ﹤0.01% | 3740 |
|
|
2017
Q3 | $843K | Sell |
10,500
-400
| -4% | -$28.9K | ﹤0.01% | 4556 |
|
|
2017
Q2 | $733K | Hold |
10,900
| – | – | ﹤0.01% | 4566 |
|
|
2017
Q1 | $557K | Sell |
10,900
-7,600
| -41% | -$402K | ﹤0.01% | 4833 |
|
|
2016
Q4 | $950K | Sell |
18,500
-3,500
| -16% | -$184K | ﹤0.01% | 3928 |
|
|
2016
Q3 | $1.32M | Buy |
22,000
+5,400
| +33% | +$311K | ﹤0.01% | 3480 |
|
|
2016
Q2 | $955K | Sell |
16,600
-5,400
| -25% | -$360K | ﹤0.01% | 3603 |
|
|
2016
Q1 | $1.7M | Buy |
22,000
+5,300
| +32% | +$342K | ﹤0.01% | 2834 |
|
|
2015
Q4 | $1.06M | Sell |
16,700
-3,400
| -17% | -$219K | ﹤0.01% | 3484 |
|
|
2015
Q3 | $1.35M | Sell |
20,100
-29,700
| -60% | -$2.12M | ﹤0.01% | 3426 |
|
|
2015
Q2 | $3.36M | Buy |
49,800
+28,000
| +128% | +$1.98M | ﹤0.01% | 2462 |
|
|
2015
Q1 | $1.53M | Buy |
21,800
+400
| +2% | +$27.1K | ﹤0.01% | 3417 |
|
|
2014
Q4 | $1.44M | Sell |
21,400
-5,700
| -21% | -$375K | ﹤0.01% | 3303 |
|
|
2014
Q3 | $1.87M | Sell |
27,100
-3,100
| -10% | -$243K | ﹤0.01% | 2913 |
|
|
2014
Q2 | $2.47M | Sell |
30,200
-9,200
| -23% | -$623K | ﹤0.01% | 2525 |
|
|
2014
Q1 | $2.67M | Sell |
39,400
-11,600
| -23% | -$863K | ﹤0.01% | 2350 |
|
|
2013
Q4 | $3.63M | Buy |
51,000
+18,000
| +55% | +$1.4M | ﹤0.01% | 1958 |
|
|
2013
Q3 | $2.52M | Buy |
33,000
+12,300
| +59% | +$851K | ﹤0.01% | 2188 |
|
|
2013
Q2 | $1.34M | Buy |
+20,700
| New | +$1.11M | ﹤0.01% | 2886 |
|
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.