QUANTERIX CORP

Ticker: QTRX CUSIP: 74766Q101 Class: Common Stock

PLATINUM INVESTMENT MANAGEMENT LTD's Holding History (CIK: 0001256071)

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

Q4 2024

Shares 260,181 Value ($000) $2,766 Avg Close $12.16 Range $9.87 - $15.67

Q3 2024

Shares 277,636 Value ($000) $3,598 Avg Close $13.36 Range $10.50 - $16.74

Q2 2024

Shares 277,636 Value ($000) $3,668 Avg Close $16.71 Range $11.83 - $23.86

Q1 2024

Shares 217,442 Value ($000) $5,123 Avg Close $24.77 Range $21.53 - $29.70

Q4 2023

Shares 510,753 Value ($000) $13,964 Avg Close $23.54 Range $19.35 - $28.78

Q3 2023

Shares 659,468 Value ($000) $17,898 Avg Close $24.75 Range $20.57 - $28.77

Q2 2023

Shares 716,001 Value ($000) $16,146 Avg Close $17.82 Range $10.64 - $24.14

Q1 2023

Shares 1,005,870 Value ($000) $11,336 Avg Close $12.78 Range $10.02 - $15.63

Q4 2022

Shares 1,006,097 Value ($000) $13,934 Avg Close $11.51 Range $8.19 - $14.55

Q3 2022

Shares 1,155,818 Value ($000) $12,737 Avg Close $12.71 Range $6.31 - $19.46

Q2 2022

Shares 639,990 Value ($000) $10,361 Avg Close $20.56 Range $14.58 - $31.33

Q1 2022

Shares 595,935 Value ($000) $17,395 Avg Close $30.56 Range $22.70 - $43.32

Q4 2021

Shares 565,610 Value ($000) $23,982 Avg Close $46.70 Range $35.02 - $60.92

Q3 2021

Shares 514,488 Value ($000) $25,616 Avg Close $51.55 Range $44.20 - $60.95

Q2 2021

Shares 514,488 Value ($000) $30,180 Avg Close $58.04 Range $41.76 - $69.22

Q1 2021

Shares 459,434 Value ($000) $26,863 Avg Close $67.60 Range $42.92 - $92.57

Q4 2020

Shares 318,410 Value ($000) $14,806 Avg Close $43.65 Range $33.55 - $52.75

Q3 2020

Shares 339,323 Value ($000) $11,449 Avg Close $32.20 Range $26.01 - $37.77

Q2 2020

Shares 198,864 Value ($000) $5,447 Avg Close $25.27 Range $17.12 - $28.99

Q1 2020

Shares 225,575 Value ($000) $4,144 Avg Close $22.82 Range $10.89 - $29.00

Q4 2019

Shares 177,554 Value ($000) $4,196 Avg Close $22.82 Range $19.08 - $26.07

Q3 2019

Shares 159,773 Value ($000) $3,509 Avg Close $27.89 Range $21.17 - $35.69

Q2 2019

Shares 141,220 Value ($000) $4,772 Avg Close $25.87 Range $19.54 - $36.15

Q1 2019

Shares 204,882 Value ($000) $5,292 Avg Close $22.33 Range $17.08 - $26.06

Q4 2018

Shares 204,882 Value ($000) $3,751 Avg Close $17.94 Range $16.00 - $22.23

Q3 2018

Shares 175,000 Value ($000) $3,749 Avg Close $15.81 Range $13.00 - $22.61

Q2 2018

Shares 175,000 Value ($000) $2,513 Avg Close $17.31 Range $13.53 - $20.83

Q1 2018

Shares 175,000 Value ($000) $2,982 Avg Close $20.04 Range $16.03 - $24.80

Q4 2017

Shares 175,000 Value ($000) $3,757 Avg Close $19.52 Range $15.56 - $23.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2024	260,181	$2,766	$12.16	$9.87 - $15.67
Q3 2024	277,636	$3,598	$13.36	$10.50 - $16.74
Q2 2024	277,636	$3,668	$16.71	$11.83 - $23.86
Q1 2024	217,442	$5,123	$24.77	$21.53 - $29.70
Q4 2023	510,753	$13,964	$23.54	$19.35 - $28.78
Q3 2023	659,468	$17,898	$24.75	$20.57 - $28.77
Q2 2023	716,001	$16,146	$17.82	$10.64 - $24.14
Q1 2023	1,005,870	$11,336	$12.78	$10.02 - $15.63
Q4 2022	1,006,097	$13,934	$11.51	$8.19 - $14.55
Q3 2022	1,155,818	$12,737	$12.71	$6.31 - $19.46
Q2 2022	639,990	$10,361	$20.56	$14.58 - $31.33
Q1 2022	595,935	$17,395	$30.56	$22.70 - $43.32
Q4 2021	565,610	$23,982	$46.70	$35.02 - $60.92
Q3 2021	514,488	$25,616	$51.55	$44.20 - $60.95
Q2 2021	514,488	$30,180	$58.04	$41.76 - $69.22
Q1 2021	459,434	$26,863	$67.60	$42.92 - $92.57
Q4 2020	318,410	$14,806	$43.65	$33.55 - $52.75
Q3 2020	339,323	$11,449	$32.20	$26.01 - $37.77
Q2 2020	198,864	$5,447	$25.27	$17.12 - $28.99
Q1 2020	225,575	$4,144	$22.82	$10.89 - $29.00
Q4 2019	177,554	$4,196	$22.82	$19.08 - $26.07
Q3 2019	159,773	$3,509	$27.89	$21.17 - $35.69
Q2 2019	141,220	$4,772	$25.87	$19.54 - $36.15
Q1 2019	204,882	$5,292	$22.33	$17.08 - $26.06
Q4 2018	204,882	$3,751	$17.94	$16.00 - $22.23
Q3 2018	175,000	$3,749	$15.81	$13.00 - $22.61
Q2 2018	175,000	$2,513	$17.31	$13.53 - $20.83
Q1 2018	175,000	$2,982	$20.04	$16.03 - $24.80
Q4 2017	175,000	$3,757	$19.52	$15.56 - $23.70