NAPCO SEC TECHNOLOGIES INC

Ticker: NSSC CUSIP: 630402105 Class: Common Stock

Swiss National Bank's Holding History (CIK: 0001582202)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 70,400 Value ($000) $2,936 Avg Close $41.96 Range $37.43 - $47.96

Q3 2025

Shares 69,500 Value ($000) $2,985 Avg Close $34.48 Range $29.03 - $44.88

Q2 2025

Shares 69,500 Value ($000) $2,063 Avg Close $25.46 Range $18.78 - $30.03

Q1 2025

Shares 71,100 Value ($000) $1,637 Avg Close $27.92 Range $22.10 - $37.25

Q4 2024

Shares 72,400 Value ($000) $2,575 Avg Close $37.64 Range $31.15 - $41.75

Q3 2024

Shares 72,400 Value ($000) $2,929 Avg Close $47.92 Range $31.06 - $56.76

Q2 2024

Shares 72,400 Value ($000) $3,761 Avg Close $44.67 Range $36.90 - $52.36

Q1 2024

Shares 65,300 Value ($000) $2,622 Avg Close $38.22 Range $30.42 - $45.01

Q4 2023

Shares 65,300 Value ($000) $2,237 Avg Close $25.76 Range $17.23 - $35.09

Q3 2023

Shares 72,800 Value ($000) $1,620 Avg Close $29.36 Range $19.36 - $37.73

Q2 2023

Shares 72,000 Value ($000) $2,495 Avg Close $33.75 Range $25.82 - $39.90

Q1 2023

Shares 67,400 Value ($000) $2,533 Avg Close $30.76 Range $24.89 - $37.87

Q4 2022

Shares 75,400 Value ($000) $2,072 Avg Close $26.04 Range $23.40 - $29.16

Q3 2022

Shares 73,500 Value ($000) $2,137 Avg Close $25.79 Range $19.06 - $30.22

Q2 2022

Shares 73,500 Value ($000) $1,513 Avg Close $18.16 Range $15.06 - $20.96

Q1 2022

Shares 69,500 Value ($000) $1,426 Avg Close $20.05 Range $14.86 - $24.28

Q4 2021

Shares 32,400 Value ($000) $1,619 Avg Close $22.78 Range $20.22 - $25.10

Q3 2021

Shares 32,400 Value ($000) $1,396 Avg Close $18.08 Range $15.95 - $21.96

Q2 2021

Shares 32,400 Value ($000) $1,178 Avg Close $16.55 Range $14.80 - $18.34

Q1 2021

Shares 33,700 Value ($000) $1,174 Avg Close $14.89 Range $12.20 - $17.51

Q4 2020

Shares 33,700 Value ($000) $884 Avg Close $13.01 Range $11.05 - $15.30

Q3 2020

Shares 27,400 Value ($000) $644 Avg Close $11.63 Range $8.61 - $13.25

Q2 2020

Shares 27,400 Value ($000) $641 Avg Close $10.12 Range $6.44 - $12.75

Q1 2020

Shares 23,000 Value ($000) $349 Avg Close $11.36 Range $7.07 - $15.97

Q4 2019

Shares 23,000 Value ($000) $676 Avg Close $14.00 Range $11.95 - $15.43

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	70,400	$2,936	$41.96	$37.43 - $47.96
Q3 2025	69,500	$2,985	$34.48	$29.03 - $44.88
Q2 2025	69,500	$2,063	$25.46	$18.78 - $30.03
Q1 2025	71,100	$1,637	$27.92	$22.10 - $37.25
Q4 2024	72,400	$2,575	$37.64	$31.15 - $41.75
Q3 2024	72,400	$2,929	$47.92	$31.06 - $56.76
Q2 2024	72,400	$3,761	$44.67	$36.90 - $52.36
Q1 2024	65,300	$2,622	$38.22	$30.42 - $45.01
Q4 2023	65,300	$2,237	$25.76	$17.23 - $35.09
Q3 2023	72,800	$1,620	$29.36	$19.36 - $37.73
Q2 2023	72,000	$2,495	$33.75	$25.82 - $39.90
Q1 2023	67,400	$2,533	$30.76	$24.89 - $37.87
Q4 2022	75,400	$2,072	$26.04	$23.40 - $29.16
Q3 2022	73,500	$2,137	$25.79	$19.06 - $30.22
Q2 2022	73,500	$1,513	$18.16	$15.06 - $20.96
Q1 2022	69,500	$1,426	$20.05	$14.86 - $24.28
Q4 2021	32,400	$1,619	$22.78	$20.22 - $25.10
Q3 2021	32,400	$1,396	$18.08	$15.95 - $21.96
Q2 2021	32,400	$1,178	$16.55	$14.80 - $18.34
Q1 2021	33,700	$1,174	$14.89	$12.20 - $17.51
Q4 2020	33,700	$884	$13.01	$11.05 - $15.30
Q3 2020	27,400	$644	$11.63	$8.61 - $13.25
Q2 2020	27,400	$641	$10.12	$6.44 - $12.75
Q1 2020	23,000	$349	$11.36	$7.07 - $15.97
Q4 2019	23,000	$676	$14.00	$11.95 - $15.43