Palo Alto Investors LP

13F Filings History

Latest 13F report
Q2 2024 - Aug 14, 2024
Value $
$818M
Signature - Title
Angela Nguyen-Dinh - Chief Compliance Officer
Location
Palo Alto, CA
Summary
This page shows a list of all the recent 13F filings made by Palo Alto Investors LP. Form 13F is required to be filed within 45 days of the end of a calendar quarter. Palo Alto Investors LP reported 39 stock holdings with total value $818M as of Q2 2024. Top holdings included INSM, BMRN, FOLD, UTHR, and BIIB.
Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Date Filed
Q2 2024 39 $818M +$2.21M -$189M -$187M INSM, BMRN, FOLD, UTHR, BIIB 13F-HR 8/14/2024, 04:18 PM
Q1 2024 38 $887M +$35M -$131M -$96.5M INSM, FOLD, BMRN, BIIB, UTHR 13F-HR 5/15/2024, 04:10 PM
Q4 2023 34 $1.1B +$86.4M -$89.5M -$3.07M INSM, FOLD, BMRN, BIIB, UTHR Restatement 2/15/2024, 02:34 PM
Q3 2023 29 $1.06B +$10.7M -$21M -$10.2M BMRN, INSM, UTHR, FOLD, BIIB 13F-HR 11/14/2023, 04:41 PM
Q2 2023 30 $1.24B +$40.4M -$12.3M +$28.2M BMRN, UTHR, RVNC, FOLD, INSM 13F-HR 8/14/2023, 04:24 PM
Q1 2023 30 $1.21B +$18.8M -$10.4M +$8.35M BMRN, RVNC, UTHR, FOLD, BIIB 13F-HR 5/15/2023, 05:06 PM
Q4 2022 29 $1.17B +$59.8M -$156M -$96M BMRN, UTHR, FOLD, INSM, BIIB 13F-HR 2/14/2023, 04:39 PM
Q3 2022 32 $1.26B +$3.02M -$24.8M -$21.8M BMRN, UTHR, INSM, ABMD, RVNC 13F-HR 11/14/2022, 04:28 PM
Q2 2022 33 $1.15B +$22.7K -$27.2M -$27.2M BMRN, UTHR, ABMD, INSM, FOLD 13F-HR 8/15/2022, 05:31 PM
Q1 2022 35 $1.29B +$7.47M -$49.3M -$41.8M BMRN, ABMD, INSM, UTHR, FOLD 13F-HR 5/16/2022, 04:35 PM
Q4 2021 37 $1.56B +$54.4M -$71.2M -$16.8M BMRN, ABMD, INSM, UTHR, FOLD 13F-HR 2/14/2022, 04:28 PM
Q3 2021 42 $1.66B +$28.5M -$48.2M -$19.7M ABMD, BMRN, INSM, STAA, UTHR 13F-HR 11/15/2021, 04:19 PM
Q2 2021 42 $1.81B +$25.7M -$110M -$83.9M STAA, BMRN, ABMD, INSM, BIIB 13F-HR 8/16/2021, 04:36 PM
Q1 2021 42 $1.76B +$144M -$192M -$47.4M INSM, STAA, ABMD, BMRN, UTHR 13F-HR 5/17/2021, 04:37 PM
Q4 2020 41 $1.91B +$224M -$448M -$224M STAA, INSM, BMRN, FOLD, ABMD 13F-HR 2/16/2021, 04:33 PM
Q3 2020 43 $1.82B +$140M -$202M -$61.4M IMMU, INSM, STAA, ABMD, BMRN 13F-HR 11/16/2020, 04:23 PM
Q2 2020 41 $1.66B +$40.7M -$111M -$70.1M IMMU, STAA, BMRN, INSM, ABMD 13F-HR 8/14/2020, 04:15 PM
Q1 2020 37 $1.19B +$10.4M -$265M -$255M BMRN, STAA, INSM, EPZM, UTHR 13F-HR 5/15/2020, 04:09 PM
Q4 2019 37 $1.82B +$8.66M -$166M -$157M BMRN, INSM, EPZM, STAA, IMMU Restatement 4/8/2020, 04:35 PM
Q3 2019 37 $1.5B $0 -$199M -$199M BMRN, INSM, ABMD, UTHR, STAA 13F-HR 11/14/2019, 04:14 PM
Q2 2019 39 $2.06B +$22.7M -$71.8M -$49.1M BMRN, INSM, ABMD, SAGE, ALXN 13F-HR 8/14/2019, 04:17 PM
Q1 2019 37 $2.4B +$138M -$33.5M +$105M BMRN, INSM, ABMD, UTHR, ALXN Restatement 7/30/2019, 12:25 PM
Q4 2018 36 $1.88B +$78.5M -$32.2M +$46.3M ABMD, BMRN, UTHR, STAA, ALXN 13F-HR 2/14/2019, 04:25 PM
Q3 2018 36 $2.47B +$25M -$96.8M -$71.8M ABMD, BMRN, UTHR, STAA, ALXN 13F-HR 11/14/2018, 04:29 PM
Q2 2018 36 $2.5B +$77.1M -$198M -$121M ABMD, BMRN, CLVSQ, UTHR, INSM 13F-HR 8/14/2018, 04:28 PM
Q1 2018 36 $2.34B +$84.4M -$86.8M -$2.43M ABMD, CLVSQ, BMRN, UTHR, INSM 13F-HR 5/15/2018, 04:28 PM
Q4 2017 37 $2.32B +$89.5M -$130M -$40.2M ABMD, UTHR, CLVSQ, BMRN, INSM 13F-HR 2/14/2018, 05:00 PM
Q3 2017 40 $2.37B +$60.1M -$53.5M +$6.61M ABMD, CLVSQ, BMRN, UTHR, INSM 13F-HR 11/14/2017, 04:40 PM
Q2 2017 38 $2.14B +$54.8M -$176M -$121M CLVSQ, ABMD, UTHR, BMRN, ALXN 13F-HR 8/14/2017, 04:41 PM
Q1 2017 39 $2.12B +$207M -$33.4M +$173M UTHR, CLVSQ, ABMD, BMRN, ALXN 13F-HR 5/15/2017, 04:33 PM
Q4 2016 38 $1.75B +$95.5M -$32.5M +$62.9M UTHR, ABMD, CLVSQ, BMRN, AMAG 13F-HR 2/14/2017, 05:36 PM
Q3 2016 42 $1.72B +$99.5M -$73.7M +$25.9M ABMD, UTHR, BMRN, CLVSQ, AMAG 13F-HR 11/14/2016, 04:49 PM
Q2 2016 45 $1.32B +$227M -$162M +$65M ABMD, UTHR, BMRN, AMAG, CLVSQ Restatement 8/15/2016, 05:46 PM
Q1 2016 44 $1.29B +$21.6M -$55.5M -$34M ABMD, UTHR, ANAC, BMRN, AMAG 13F-HR 5/16/2016, 05:15 PM
Q4 2015 43 $1.8B +$138M -$242M -$105M ABMD, ANAC, UTHR, BMRN, CLVSQ 13F-HR 2/16/2016, 05:00 PM
Q3 2015 47 $2.08B +$185M -$252M -$67.1M ANAC, CLVSQ, ABMD, UTHR, BMRN 13F-HR 11/16/2015, 04:28 PM
Q2 2015 45 $2.25B +$80.5M -$64.5M +$16M UTHR, ANAC, BMRN, CLVSQ, ABMD 13F-HR 8/14/2015, 04:36 PM
Q1 2015 46 $2.02B +$372M -$441M -$68.7M UTHR, BMRN, ANAC, ABMD, CLVSQ 13F-HR 5/15/2015, 05:11 PM
Q4 2014 46 $1.7B +$177M -$89.7M +$87.2M UTHR, AUXL, CBST, CLVSQ, BMRN 13F-HR 2/17/2015, 05:18 PM
Q3 2014 43 $1.34B +$235M -$281M -$45.7M UTHR, AUXL, CBST, BMRN, CYBX 13F-HR 11/13/2014, 02:40 PM
Q2 2014 42 $1.34B +$203M -$82.4M +$121M ITMN, UTHR, CYBX, CBST, AUXL 13F-HR 8/13/2014, 07:45 PM
Q1 2014 39 $1.21B $0 $0 ITMN, AUXL, CYBX, UTHR, CBST New Holdings 5/15/2014, 06:36 PM
Q1 2014 39 $1.21B +$60.9M -$60.6M +$290K ITMN, AUXL, CYBX, UTHR, CBST 13F-HR 5/15/2014, 04:46 PM
Q4 2013 34 $1.07B $0 $0 CYBX, UTHR, AUXL, CBST, ABMD 13F-HR 2/13/2014, 05:04 PM