Hedge Fund - Rock Springs Capital Management
Alexion Pharmaceuticals Inc. (ALXN)
Holding History Records
| No. | Filing Period | Value | % of Portfolio | Number of Shares | Avg. Quarterly Share Price |
|---|---|---|---|---|---|
| 1 | 2021 - Q1 (2021-03-31) | $0 | 0% | 0 | $154.69 |
| 2 | 2020 - Q4 (2020-12-31) | $47,927,000 | 1.01% | 306,750 | $128.50 |
| 3 | 2020 - Q3 (2020-09-30) | $25,747,000 | 0.65% | 225,000 | $107.88 |
| 4 | 2020 - Q2 (2020-06-30) | $20,596,000 | 0.56% | 183,500 | $106.17 |
| 5 | 2019 - Q3 (2019-09-30) | $0 | 0% | 0 | $112.72 |
| 6 | 2019 - Q2 (2019-06-30) | $31,763,000 | 1.14% | 242,500 | $128.89 |
| 7 | 2019 - Q1 (2019-03-31) | $32,781,000 | 1.26% | 242,500 | $124.34 |
| 8 | 2018 - Q4 (2018-12-31) | $23,610,000 | 1.11% | 242,500 | $118.20 |
| 9 | 2018 - Q3 (2018-09-30) | $41,703,000 | 1.5% | 300,000 | $125.44 |
| 10 | 2018 - Q2 (2018-06-30) | $61,144,000 | 2.35% | 492,500 | $116.87 |
| 11 | 2018 - Q1 (2018-03-31) | $54,058,000 | 2.3% | 485,000 | $119.53 |
| 12 | 2017 - Q4 (2017-12-31) | $57,403,000 | 2.6% | 480,000 | $121.78 |
| 13 | 2017 - Q3 (2017-09-30) | $64,954,000 | 2.99% | 463,000 | $135.86 |
| 14 | 2017 - Q2 (2017-06-30) | $56,333,000 | 2.84% | 463,000 | $116.39 |
| 15 | 2017 - Q1 (2017-03-31) | $55,395,000 | 3.19% | 456,900 | $128.92 |
| 16 | 2016 - Q4 (2016-12-31) | $56,893,000 | 3.8% | 465,000 | $122.36 |
| 17 | 2016 - Q3 (2016-09-30) | $32,749,000 | 2.05% | 267,250 | $128.72 |
| 18 | 2016 - Q2 (2016-06-30) | $27,497,000 | 2.03% | 235,500 | $141.88 |
| 19 | 2016 - Q1 (2016-03-31) | $31,707,000 | 2.65% | 227,750 | $146.83 |
| 20 | 2015 - Q4 (2015-12-31) | $36,815,000 | 2.78% | 193,000 | $174.68 |
| 21 | 2015 - Q3 (2015-09-30) | $26,899,000 | 2.18% | 172,000 | $182.41 |
| 22 | 2015 - Q2 (2015-06-30) | $27,929,000 | 2.03% | 154,500 | $172.57 |
| 23 | 2015 - Q1 (2015-03-31) | $18,760,000 | 1.75% | 108,250 | $181.01 |
| 24 | 2014 - Q4 (2014-12-31) | $17,115,000 | 2% | 92,500 | $185.30 |
| 25 | 2014 - Q3 (2014-09-30) | $14,882,000 | 2.3% | 89,750 | $164.22 |
| 26 | 2014 - Q2 (2014-06-30) | $13,398,000 | 2.4% | 85,750 | $157.90 |
| 27 | 2014 - Q1 (2014-03-31) | $7,378,000 | 1.7% | 48,500 | $159.01 |
| 28 | 2013 - Q4 (2013-12-31) | $6,786,000 | 2.42% | 51,000 | $120.01 |
The displayed share prices are average quarterly stock market prices.
The share numbers are adjusted according to following stock splits:
-
2.0000:1.0000 on 2011-05-23