Renaissance Technologies’s Alpha Pro Tech APT Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $2.42M | Buy |
544,072
+21,100
| +4% | +$104K | ﹤0.01% | 1804 |
|
|
2025
Q4 | $2.32M | Sell |
522,972
-12,803
| -2% | -$58.9K | ﹤0.01% | 1771 |
|
|
2025
Q3 | $2.56M | Sell |
535,775
-300
| -0.1% | -$1.44K | ﹤0.01% | 1911 |
|
|
2025
Q2 | $2.51M | Sell |
536,075
-3,484
| -0.6% | -$15.8K | ﹤0.01% | 1972 |
|
|
2025
Q1 | $2.7M | Sell |
539,559
-25,916
| -5% | -$139K | ﹤0.01% | 1807 |
|
|
2024
Q4 | $2.99M | Sell |
565,475
-24,800
| -4% | -$136K | ﹤0.01% | 1782 |
|
|
2024
Q3 | $3.36M | Sell |
590,275
-42,100
| -7% | -$243K | 0.01% | 1697 |
|
|
2024
Q2 | $3.48M | Buy |
632,375
+8,316
| +1% | +$46.4K | 0.01% | 1541 |
|
|
2024
Q1 | $3.89M | Buy |
624,059
+35,492
| +6% | +$194K | 0.01% | 1575 |
|
|
2023
Q4 | $3.11M | Buy |
588,567
+7,062
| +1% | +$32.4K | ﹤0.01% | 1660 |
|
|
2023
Q3 | $2.52M | Sell |
581,505
-15,981
| -3% | -$66.4K | ﹤0.01% | 1722 |
|
|
2023
Q2 | $2.38M | Sell |
597,486
-29,979
| -5% | -$118K | ﹤0.01% | 1881 |
|
|
2023
Q1 | $2.61M | Buy |
627,465
+66,002
| +12% | +$274K | ﹤0.01% | 1862 |
|
|
2022
Q4 | $2.26M | Sell |
561,463
-31,700
| -5% | -$129K | ﹤0.01% | 2001 |
|
|
2022
Q3 | $2.4M | Sell |
593,163
-56,600
| -9% | -$246K | ﹤0.01% | 1904 |
|
|
2022
Q2 | $2.9M | Sell |
649,763
-300
| -0% | -$1.28K | ﹤0.01% | 1931 |
|
|
2022
Q1 | $2.73M | Buy |
650,063
+38,900
| +6% | +$181K | ﹤0.01% | 1993 |
|
|
2021
Q4 | $3.65M | Buy |
611,163
+49,500
| +9% | +$289K | ﹤0.01% | 1721 |
|
|
2021
Q3 | $3.78M | Buy |
561,663
+66,600
| +13% | +$550K | ﹤0.01% | 1629 |
|
|
2021
Q2 | $4.24M | Buy |
495,063
+28,500
| +6% | +$249K | 0.01% | 1728 |
|
|
2021
Q1 | $4.55M | Sell |
466,563
-286,201
| -38% | -$3.79M | 0.01% | 1704 |
|
|
2020
Q4 | $8.39M | Sell |
752,764
-155,052
| -17% | -$2.09M | 0.01% | 1278 |
|
|
2020
Q3 | $13.4M | Sell |
907,816
-50,900
| -5% | -$863K | 0.01% | 961 |
|
|
2020
Q2 | $17M | Sell |
958,716
-81,400
| -8% | -$1.12M | 0.01% | 920 |
|
|
2020
Q1 | $12.6M | Sell |
1,040,116
-18,612
| -2% | -$155K | 0.01% | 1017 |
|
|
2019
Q4 | $3.63M | Sell |
1,058,728
-19,900
| -2% | -$69.4K | ﹤0.01% | 2041 |
|
|
2019
Q3 | $3.89M | Sell |
1,078,628
-19,658
| -2% | -$68.8K | ﹤0.01% | 1937 |
|
|
2019
Q2 | $3.75M | Sell |
1,098,286
-35,289
| -3% | -$126K | ﹤0.01% | 1981 |
|
|
2019
Q1 | $4.08M | Buy |
1,133,575
+11,105
| +1% | +$43.4K | ﹤0.01% | 1935 |
|
|
2018
Q4 | $4.16M | Sell |
1,122,470
-84,247
| -7% | -$300K | ﹤0.01% | 1835 |
|
|
2018
Q3 | $4.28M | Sell |
1,206,717
-5,873
| -0.5% | -$20.6K | ﹤0.01% | 1904 |
|
|
2018
Q2 | $4.06M | Sell |
1,212,590
-38,320
| -3% | -$130K | ﹤0.01% | 1914 |
|
|
2018
Q1 | $4.19M | Sell |
1,250,910
-16,500
| -1% | -$60.1K | ﹤0.01% | 1924 |
|
|
2017
Q4 | $5.07M | Buy |
1,267,410
+4,400
| +0.3% | +$17.5K | 0.01% | 1795 |
|
|
2017
Q3 | $4.86M | Sell |
1,263,010
-40,395
| -3% | -$139K | 0.01% | 1791 |
|
|
2017
Q2 | $3.85M | Sell |
1,303,405
-105,686
| -8% | -$302K | ﹤0.01% | 1886 |
|
|
2017
Q1 | $3.88M | Sell |
1,409,091
-96,319
| -6% | -$292K | 0.01% | 1848 |
|
|
2016
Q4 | $5.27M | Sell |
1,505,410
-22,512
| -1% | -$78K | 0.01% | 1631 |
|
|
2016
Q3 | $5.5M | Buy |
1,527,922
+90,175
| +6% | +$261K | 0.01% | 1538 |
|
|
2016
Q2 | $3.26M | Buy |
1,437,747
+3,449
| +0.2% | +$7.42K | 0.01% | 1900 |
|
|
2016
Q1 | $2.61M | Sell |
1,434,298
-18,700
| -1% | -$31.5K | 0.01% | 2049 |
|
|
2015
Q4 | $2.54M | Sell |
1,452,998
-4,200
| -0.3% | -$7.88K | 0.01% | 1956 |
|
|
2015
Q3 | $2.9M | Sell |
1,457,198
-3,200
| -0.2% | -$6.79K | 0.01% | 1751 |
|
|
2015
Q2 | $3.27M | Sell |
1,460,398
-8,192
| -0.6% | -$19.1K | 0.01% | 1727 |
|
|
2015
Q1 | $3.33M | Buy |
1,468,590
+1,300
| +0.1% | +$3.33K | 0.01% | 1630 |
|
|
2014
Q4 | $3.77M | Buy |
1,467,290
+1,158,190
| +375% | +$4.11M | 0.01% | 1434 |
|
|
2014
Q3 | $1M | Buy |
309,100
+16,200
| +6% | +$39.4K | ﹤0.01% | 2021 |
|
|
2014
Q2 | $624K | Buy |
292,900
+35,200
| +14% | +$75.4K | ﹤0.01% | 2230 |
|
|
2014
Q1 | $577K | Buy |
257,700
+30,600
| +13% | +$67.3K | ﹤0.01% | 2305 |
|
|
2013
Q4 | $488K | Buy |
227,100
+19,500
| +9% | +$35.2K | ﹤0.01% | 2361 |
|
|
2013
Q3 | $313K | Buy |
207,600
+1,000
| +0.5% | +$1.54K | ﹤0.01% | 2455 |
|
|
2013
Q2 | $331K | Buy |
+206,600
| New | +$332K | ﹤0.01% | 2379 |
|
Other funds holding APT
NIM
VCM
BCM
Renaissance Technologies's APT Position: Q1 2026 in Review
Renaissance Technologies increased its Alpha Pro Tech (APT) stake by 4% in Q1 2026, buying an estimated $104K and bringing the position to 544,072 shares worth $2.42M. The position accounts for ﹤0.01% of the portfolio, ranked #1804.
Renaissance Technologies first reported a position in APT in Q2 2013 and has held it in 52 quarters since. The position peaked at $17M in Q2 2020. 37 funds tracked by Wall St. Rank hold APT as of Q1 2026.
- Renaissance Technologies held 544,072 shares of Alpha Pro Tech worth $2.42M as of Q1 2026.
- Renaissance Technologies bought 21,100 Alpha Pro Tech shares in Q1 2026, an estimated $104K.
- Alpha Pro Tech made up ﹤0.01% of Renaissance Technologies's portfolio in Q1 2026, its #1804 holding.
- Renaissance Technologies first reported a position in Alpha Pro Tech in Q2 2013 and has held it in 52 quarters since.
- Renaissance Technologies's Alpha Pro Tech position peaked at $17M in Q2 2020.
- 37 funds tracked by Wall St. Rank held Alpha Pro Tech as of Q1 2026.
Based on Renaissance Technologies's 13F filing for Q1 2026, filed 14 May 2026.