Dimensional Fund Advisors’s Napco Security Technologies NSSC Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $27.7M | Buy |
702,852
+31,609
| +5% | +$1.33M | 0.01% | 1811 |
|
|
2025
Q4 | $28M | Sell |
671,243
-6,842
| -1% | -$288K | 0.01% | 1809 |
|
|
2025
Q3 | $29.1M | Sell |
678,085
-41,260
| -6% | -$1.43M | 0.01% | 1813 |
|
|
2025
Q2 | $21.4M | Sell |
719,345
-131,500
| -15% | -$3.38M | ﹤0.01% | 1939 |
|
|
2025
Q1 | $19.6M | Sell |
850,845
-165,709
| -16% | -$4.7M | ﹤0.01% | 1957 |
|
|
2024
Q4 | $36.1M | Buy |
1,016,554
+512
| +0.1% | +$19.6K | 0.01% | 1699 |
|
|
2024
Q3 | $41.1M | Sell |
1,016,042
-54,292
| -5% | -$2.66M | 0.01% | 1627 |
|
|
2024
Q2 | $55.6M | Sell |
1,070,334
-117,151
| -10% | -$5.36M | 0.01% | 1396 |
|
|
2024
Q1 | $47.7M | Sell |
1,187,485
-2,374
| -0.2% | -$93.2K | 0.01% | 1484 |
|
|
2023
Q4 | $40.8M | Sell |
1,189,859
-45,926
| -4% | -$1.22M | 0.01% | 1575 |
|
|
2023
Q3 | $27.5M | Buy |
1,235,785
+12,451
| +1% | +$378K | 0.01% | 1742 |
|
|
2023
Q2 | $42.4M | Buy |
1,223,334
+11,571
| +1% | +$404K | 0.01% | 1472 |
|
|
2023
Q1 | $45.5M | Sell |
1,211,763
-30,891
| -2% | -$984K | 0.02% | 1396 |
|
|
2022
Q4 | $34.1K | Sell |
1,242,654
-10,138
| -0.8% | -$273K | 0.01% | 1569 |
|
|
2022
Q3 | $36.4M | Buy |
1,252,792
+992
| +0.1% | +$26.5K | 0.01% | 1457 |
|
|
2022
Q2 | $25.8M | Sell |
1,251,800
-21,836
| -2% | -$411K | 0.01% | 1722 |
|
|
2022
Q1 | $26.1M | Buy |
1,273,636
+3,320
| +0.3% | +$68.9K | 0.01% | 1829 |
|
|
2021
Q4 | $31.7M | Sell |
1,270,316
-27,936
| -2% | -$659K | 0.01% | 1731 |
|
|
2021
Q3 | $28M | Sell |
1,298,252
-13,538
| -1% | -$254K | 0.01% | 1823 |
|
|
2021
Q2 | $23.9M | Sell |
1,311,790
-19,638
| -1% | -$337K | 0.01% | 1970 |
|
|
2021
Q1 | $23.2M | Sell |
1,331,428
-77,650
| -6% | -$1.2M | 0.01% | 1963 |
|
|
2020
Q4 | $18.5M | Sell |
1,409,078
-116,764
| -8% | -$1.57M | 0.01% | 2012 |
|
|
2020
Q3 | $17.9M | Sell |
1,525,842
-54,088
| -3% | -$652K | 0.01% | 1909 |
|
|
2020
Q2 | $18.5M | Sell |
1,579,930
-33,108
| -2% | -$347K | 0.01% | 1920 |
|
|
2020
Q1 | $12.2M | Sell |
1,613,038
-123,304
| -7% | -$1.45M | 0.01% | 2017 |
|
|
2019
Q4 | $25.5M | Sell |
1,736,342
-139,358
| -7% | -$2.02M | 0.01% | 1918 |
|
|
2019
Q3 | $23.9M | Sell |
1,875,700
-37,774
| -2% | -$532K | 0.01% | 1902 |
|
|
2019
Q2 | $28.4M | Sell |
1,913,474
-9,564
| -0.5% | -$127K | 0.01% | 1855 |
|
|
2019
Q1 | $19.9M | Sell |
1,923,038
-15,176
| -0.8% | -$143K | 0.01% | 2054 |
|
|
2018
Q4 | $15.3M | Buy |
1,938,214
+5,910
| +0.3% | +$45.1K | 0.01% | 2134 |
|
|
2018
Q3 | $14.4M | Buy |
1,932,304
+38,734
| +2% | +$299K | 0.01% | 2281 |
|
|
2018
Q2 | $13.9M | Buy |
1,893,570
+10,628
| +0.6% | +$62.8K | 0.01% | 2279 |
|
|
2018
Q1 | $11M | Buy |
1,882,942
+28,830
| +2% | +$140K | ﹤0.01% | 2342 |
|
|
2017
Q4 | $8.11M | Buy |
1,854,112
+21,594
| +1% | +$103K | ﹤0.01% | 2451 |
|
|
2017
Q3 | $8.89M | Buy |
1,832,518
+26,346
| +1% | +$118K | ﹤0.01% | 2417 |
|
|
2017
Q2 | $8.49M | Buy |
1,806,172
+7,608
| +0.4% | +$37.2K | ﹤0.01% | 2422 |
|
|
2017
Q1 | $9.17M | Sell |
1,798,564
-17,928
| -1% | -$83.4K | ﹤0.01% | 2355 |
|
|
2016
Q4 | $7.72M | Sell |
1,816,492
-9,566
| -0.5% | -$36.7K | ﹤0.01% | 2403 |
|
|
2016
Q3 | $6.57M | Buy |
1,826,058
+15,874
| +0.9% | +$56.2K | ﹤0.01% | 2422 |
|
|
2016
Q2 | $5.76M | Sell |
1,810,184
-12,630
| -0.7% | -$38.7K | ﹤0.01% | 2448 |
|
|
2016
Q1 | $5.7M | Buy |
1,822,814
+4,858
| +0.3% | +$14.1K | ﹤0.01% | 2446 |
|
|
2015
Q4 | $5.36M | Buy |
1,817,956
+17,792
| +1% | +$55.3K | ﹤0.01% | 2490 |
|
|
2015
Q3 | $5.45M | Sell |
1,800,164
-800
| -0% | -$2.32K | ﹤0.01% | 2476 |
|
|
2015
Q2 | $5.16M | Buy |
1,800,964
+310,984
| +21% | +$860K | ﹤0.01% | 2572 |
|
|
2015
Q1 | $4.31M | Sell |
1,489,980
-4,200
| -0.3% | -$11.1K | ﹤0.01% | 2608 |
|
|
2014
Q4 | $3.51M | Sell |
1,494,180
-36,062
| -2% | -$80.2K | ﹤0.01% | 2684 |
|
|
2014
Q3 | $3.6M | Sell |
1,530,242
-9,184
| -0.6% | -$22.7K | ﹤0.01% | 2653 |
|
|
2014
Q2 | $4.18M | Sell |
1,539,426
-7,174
| -0.5% | -$21.2K | ﹤0.01% | 2635 |
|
|
2014
Q1 | $5.13M | Buy |
1,546,600
+22,238
| +1% | +$75.9K | ﹤0.01% | 2549 |
|
|
2013
Q4 | $4.79M | Buy |
1,524,362
+1,750
| +0.1% | +$5.13K | ﹤0.01% | 2572 |
|
|
2013
Q3 | $4.04M | Sell |
1,522,612
-6,268
| -0.4% | -$15.9K | ﹤0.01% | 2631 |
|
|
2013
Q2 | $3.65M | Buy |
+1,528,880
| New | +$3.31M | ﹤0.01% | 2621 |
|
Other funds holding NSSC
CCM
VCM
VPM
Dimensional Fund Advisors's NSSC Position: Q1 2026 in Review
Dimensional Fund Advisors increased its Napco Security Technologies (NSSC) stake by 4.7% in Q1 2026, buying an estimated $1.33M and bringing the position to 702,852 shares worth $27.7M. The position accounts for 0.01% of the portfolio, ranked #1811.
Dimensional Fund Advisors first reported a position in NSSC in Q2 2013 and has held it in 52 quarters since. The position peaked at $55.6M in Q2 2024. 270 funds tracked by Wall St. Rank hold NSSC as of Q1 2026.
- Dimensional Fund Advisors held 702,852 shares of Napco Security Technologies worth $27.7M as of Q1 2026.
- Dimensional Fund Advisors bought 31,609 Napco Security Technologies shares in Q1 2026, an estimated $1.33M.
- Napco Security Technologies made up 0.01% of Dimensional Fund Advisors's portfolio in Q1 2026, its #1811 holding.
- Dimensional Fund Advisors first reported a position in Napco Security Technologies in Q2 2013 and has held it in 52 quarters since.
- Dimensional Fund Advisors's Napco Security Technologies position peaked at $55.6M in Q2 2024.
- 270 funds tracked by Wall St. Rank held Napco Security Technologies as of Q1 2026.
Based on Dimensional Fund Advisors's 13F filing for Q1 2026, filed 7 May 2026.