QUALYS INC

Ticker: QLYS CUSIP: 74758T303 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2025
Shares 512,649 Value ($000) $68,131 Avg Close $137.58 Range $121.01 - $155.47
Q3 2025
Shares 545,655 Value ($000) $72,207 Avg Close $135.59 Range $124.10 - $151.10
Q2 2025
Shares 541,277 Value ($000) $77,332 Avg Close $132.36 Range $112.61 - $143.16
Q1 2025
Shares 558,235 Value ($000) $70,299 Avg Close $135.24 Range $121.53 - $150.58
Q4 2024
Shares 571,016 Value ($000) $80,068 Avg Close $139.19 Range $119.17 - $170.00
Q3 2024
Shares 518,760 Value ($000) $66,640 Avg Close $132.00 Range $119.32 - $151.06
Q2 2024
Shares 526,751 Value ($000) $75,115 Avg Close $152.28 Range $131.07 - $174.20
Q1 2024
Shares 512,358 Value ($000) $85,497 Avg Close $176.57 Range $156.51 - $201.03
Q4 2023
Shares 560,117 Value ($000) $109,940 Avg Close $174.91 Range $149.17 - $206.35
Q3 2023
Shares 570,957 Value ($000) $87,099 Avg Close $143.84 Range $122.53 - $157.88
Q2 2023
Shares 556,684 Value ($000) $71,907 Avg Close $123.00 Range $107.00 - $134.28
Q1 2023
Shares 578,716 Value ($000) $75,245 Avg Close $117.19 Range $101.10 - $130.63
Q4 2022
Shares 557,609 Value ($000) $62,580 Avg Close $124.92 Range $107.69 - $148.51
Q3 2022
Shares 554,187 Value ($000) $77,248 Avg Close $140.93 Range $114.02 - $162.36
Q2 2022
Shares 573,978 Value ($000) $72,402 Avg Close $130.99 Range $110.74 - $150.10
Q1 2022
Shares 558,866 Value ($000) $79,588 Avg Close $127.72 Range $108.10 - $145.50
Q4 2021
Shares 584,803 Value ($000) $80,246 Avg Close $127.76 Range $106.48 - $142.94
Q3 2021
Shares 581,577 Value ($000) $64,724 Avg Close $109.53 Range $97.02 - $121.07
Q2 2021
Shares 612,004 Value ($000) $61,622 Avg Close $101.79 Range $92.00 - $108.98
Q1 2021
Shares 630,526 Value ($000) $66,066 Avg Close $111.92 Range $90.26 - $148.84
Q4 2020
Shares 636,820 Value ($000) $77,610 Avg Close $98.93 Range $86.65 - $126.30
Q3 2020
Shares 642,239 Value ($000) $62,945 Avg Close $106.95 Range $90.93 - $125.22
Q2 2020
Shares 676,751 Value ($000) $70,396 Avg Close $104.77 Range $81.80 - $119.20
Q1 2020
Shares 554,283 Value ($000) $48,217 Avg Close $83.95 Range $63.37 - $94.72
Q4 2019
Shares 529,218 Value ($000) $44,121 Avg Close $82.92 Range $73.76 - $88.91
Q3 2019
Shares 506,055 Value ($000) $38,242 Avg Close $83.33 Range $72.76 - $92.19
Q2 2019
Shares 496,765 Value ($000) $43,258 Avg Close $86.26 Range $78.10 - $95.99
Q1 2019
Shares 495,485 Value ($000) $40,997 Avg Close $83.25 Range $69.35 - $97.12
Q4 2018
Shares 471,712 Value ($000) $35,256 Avg Close $75.36 Range $65.94 - $89.35
Q3 2018
Shares 468,403 Value ($000) $41,734 Avg Close $89.90 Range $82.91 - $98.30
Q2 2018
Shares 451,801 Value ($000) $38,086 Avg Close $80.38 Range $68.20 - $97.75
Q1 2018
Shares 429,750 Value ($000) $31,265 Avg Close $69.00 Range $57.20 - $79.40
Q4 2017
Shares 443,499 Value ($000) $26,322 Avg Close $56.22 Range $50.00 - $62.35
Q3 2017
Shares 431,681 Value ($000) $22,361 Avg Close $45.89 Range $39.45 - $53.55
Q2 2017
Shares 466,544 Value ($000) $19,034 Avg Close $40.16 Range $34.80 - $44.35
Q1 2017
Shares 432,669 Value ($000) $16,398 Avg Close $35.13 Range $31.80 - $38.38
Q4 2016
Shares 444,910 Value ($000) $14,082 Avg Close $35.20 Range $30.61 - $39.67
Q3 2016
Shares 463,073 Value ($000) $17,686 Avg Close $33.49 Range $29.69 - $38.32
Q2 2016
Shares 427,427 Value ($000) $12,742 Avg Close $28.08 Range $23.77 - $32.65
Q1 2016
Shares 398,405 Value ($000) $10,156 Avg Close $25.93 Range $16.96 - $32.48
Q4 2015
Shares 381,020 Value ($000) $12,609 Avg Close $35.27 Range $28.05 - $39.74
Q3 2015
Shares 338,491 Value ($000) $9,633 Avg Close $33.54 Range $25.32 - $42.97
Q2 2015
Shares 271,313 Value ($000) $10,947 Avg Close $44.87 Range $36.21 - $55.47
Q1 2015
Shares 285,091 Value ($000) $13,251 Avg Close $42.80 Range $35.01 - $50.00
Q4 2014
Shares 291,675 Value ($000) $11,010 Avg Close $33.37 Range $26.00 - $40.74
Q3 2014
Shares 346,646 Value ($000) $9,221 Avg Close $25.21 Range $22.65 - $29.70
Q2 2014
Shares 268,216 Value ($000) $6,885 Avg Close $22.74 Range $18.00 - $26.88
Q1 2014
Shares 307,881 Value ($000) $7,830 Avg Close $26.98 Range $20.37 - $29.94
Q4 2013
Shares 278,203 Value ($000) $6,430 Avg Close $22.22 Range $19.56 - $24.90
Q3 2013
Shares 272,008 Value ($000) $5,818 Avg Close $18.76 Range $14.98 - $23.21
Q2 2013
Shares 196,489 Value ($000) $3,167 Avg Close $12.98 Range $10.15 - $16.25