Skip to main content
Livermore
Livermore
ZHEN

Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

APT holding history

Alpha Pro Tech Ltd in every 13F filed by Renaissance Technologies LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

APT overviewAll 13F holders of APTFull Q2 2026 holdings

Shares (Q2 2026)
561,572
Value
$3.16M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of APT by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026561,572$3.16M<0.1%+17,500+3.2%AddedHolders
Q1 2026544,072$2.42M<0.1%+21,100+4.0%AddedHolders
Q4 2025522,972$2.32M<0.1%−12,803−2.4%ReducedHolders
Q3 2025535,775$2.56M<0.1%−300−0.1%ReducedHolders
Q2 2025536,075$2.51M<0.1%−3,484−0.6%ReducedHolders
Q1 2025539,559$2.70M<0.1%−25,916−4.6%ReducedHolders
Q4 2024565,475$2.99M<0.1%−24,800−4.2%ReducedHolders
Q3 2024590,275$3.36M<0.1%−42,100−6.7%ReducedHolders
Q2 2024632,375$3.48M<0.1%+8,316+1.3%AddedHolders
Q1 2024624,059$3.89M<0.1%+35,492+6.0%AddedHolders
Q4 2023588,567$3.11M<0.1%+7,062+1.2%AddedHolders
Q3 2023581,505$2.52M<0.1%−15,981−2.7%ReducedHolders
Q2 2023597,486$2.38M<0.1%−29,979−4.8%ReducedHolders
Q1 2023627,465$2.61M<0.1%+66,002+11.8%AddedHolders
Q4 2022561,463$2.26M<0.1%−31,700−5.3%ReducedHolders
Q3 2022593,163$2.40M<0.1%−56,600−8.7%ReducedHolders
Q2 2022649,763$2.90M<0.1%−3000.0%ReducedHolders
Q1 2022650,063$2.73M<0.1%+38,900+6.4%AddedHolders
Q4 2021611,163$3.65M<0.1%+49,500+8.8%AddedHolders
Q3 2021561,663$3.78M<0.1%+66,600+13.5%AddedHolders
Q2 2021495,063$4.24M<0.1%+28,500+6.1%AddedHolders
Q1 2021466,563$4.55M<0.1%––Holders

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