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Gagnon Securities LLC

SEC CIK
0001125725
Latest filing
Aug 4, 2026

PRLB holding history

Proto Labs Inc in every 13F filed by Gagnon Securities LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

PRLB overviewAll 13F holders of PRLBFull Q2 2026 holdings

Shares (Q2 2026)
116,283
Value
$9.48M
% of portfolio
1.8%
Quarters held
22
Since Q1 2021
Holdings of PRLB by Gagnon Securities LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026116,283$9.48M1.8%+5,394+4.9%AddedHolders
Q1 2026110,889$6.32M1.5%−659−0.6%ReducedHolders
Q4 2025111,548$5.64M1.1%+2,799+2.6%AddedHolders
Q3 2025108,749$5.44M1.1%−5,825−5.1%ReducedHolders
Q2 2025114,574$4.59M0.9%+16,949+17.4%AddedHolders
Q1 202597,625$3.42M0.8%+4,546+4.9%AddedHolders
Q4 202493,079$3.64M0.7%−224−0.2%ReducedHolders
Q3 202493,303$2.74M0.5%+389+0.4%AddedHolders
Q2 202492,914$2.87M0.6%+381+0.4%AddedHolders
Q1 202492,533$3.31M0.8%+507+0.6%AddedHolders
Q4 202392,026$3.59M0.9%+1,736+1.9%AddedHolders
Q3 202390,290$2.38M0.6%+1,596+1.8%AddedHolders
Q2 202388,694$3.10M0.6%+153+0.2%AddedHolders
Q1 202388,541$2.94M0.6%+303+0.3%AddedHolders
Q4 202288,238$2.25M0.5%−52,367−37.2%ReducedHolders
Q3 2022140,605$5.12M1.1%−13,609−8.8%ReducedHolders
Q2 2022154,214$7.38M1.5%+50,797+49.1%AddedHolders
Q1 2022103,417$5.47M0.9%+4,778+4.8%AddedHolders
Q4 202198,639$5.07M0.8%+39,914+68.0%AddedHolders
Q3 202158,725$3.91M0.6%−867−1.5%ReducedHolders
Q2 202159,592$5.47M0.8%+1,107+1.9%AddedHolders
Q1 202158,485$7.12M1.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.