Hedge Fund - Rock Springs Capital Management

Idexx Laboratories Inc (IDXX) 

Holding History Records
No. Filing Period Value % of Portfolio Number of Shares Avg. Quarterly Share Price
1 2023 - Q4 (2023-12-31) $99,492,713 2.44% 179,250 $469.47
2 2023 - Q3 (2023-09-30) $85,049,015 2.27% 194,500 $498.67
3 2023 - Q2 (2023-06-30) $97,683,735 2.32% 194,500 $479.21
4 2023 - Q1 (2023-03-31) $103,766,600 2.47% 207,500 $478.56
5 2022 - Q4 (2022-12-31) $84,651,700 2.03% 207,500 $388.17
6 2022 - Q3 (2022-09-30) $73,082,000 1.88% 224,315 $367.34
7 2022 - Q2 (2022-06-30) $78,476,000 2.28% 223,750 $407.78
8 2022 - Q1 (2022-03-31) $119,669,000 3.01% 218,750 $526.03
9 2021 - Q4 (2021-12-31) $118,523,000 2.73% 180,000 $627.75
10 2021 - Q3 (2021-09-30) $111,942,000 2.35% 180,000 $671.94
11 2021 - Q2 (2021-06-30) $113,679,000 2.24% 180,000 $552.18
12 2021 - Q1 (2021-03-31) $88,076,000 1.92% 180,000 $501.01
13 2020 - Q4 (2020-12-31) $62,484,000 1.32% 125,000 $447.44
14 2020 - Q3 (2020-09-30) $49,139,000 1.24% 125,000 $369.71
15 2020 - Q2 (2020-06-30) $41,270,000 1.13% 125,000 $289.54
16 2020 - Q1 (2020-03-31) $30,280,000 1.25% 125,000 $260.97
17 2019 - Q4 (2019-12-31) $31,388,000 0.99% 120,200 $263.51
18 2019 - Q3 (2019-09-30) $32,686,000 1.3% 120,200 $278.27
19 2019 - Q2 (2019-06-30) $33,095,000 1.19% 120,200 $246.39
20 2019 - Q1 (2019-03-31) $26,877,000 1.03% 120,200 $206.43
21 2018 - Q4 (2018-12-31) $20,555,000 0.97% 110,500 $205.02
22 2018 - Q3 (2018-09-30) $20,847,000 0.75% 83,500 $242.74
23 2018 - Q2 (2018-06-30) $15,692,000 0.6% 72,000 $206.05
24 2018 - Q1 (2018-03-31) $12,058,000 0.51% 63,000 $184.56
25 2016 - Q1 (2016-03-31) $0 0% 0 $72.01
26 2015 - Q4 (2015-12-31) $9,297,000 0.7% 127,500 $71.33
27 2015 - Q3 (2015-09-30) $8,353,000 0.67% 112,500 $71.63
28 2015 - Q2 (2015-06-30) $7,120,000 0.51% 111,000 $69.23

The displayed share prices are average quarterly stock market prices.

The share numbers are adjusted according to following stock splits:

  1. 2.0000:1.0000 on 2015-06-16