Baker Bros. Advisors’s Rhythm Pharmaceuticals RYTM Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$487M Hold
5,604,483
2.8% 12
2025
Q4
$600M Hold
5,604,483
3.51% 10
2025
Q3
$566M Hold
5,604,483
4.09% 7
2025
Q2
$354M Hold
5,604,483
3.44% 7
2025
Q1
$297M Sell
5,604,483
-479,766
-8% -$26.6M 3.29% 7
2024
Q4
$341M Sell
6,084,249
-314,117
-5% -$17.4M 3.64% 8
2024
Q3
$335M Buy
6,398,366
+1
+0% +$48 3.47% 7
2024
Q2
$263M Hold
6,398,365
3.36% 6
2024
Q1
$277M Hold
6,398,365
3.48% 5
2023
Q4
$294M Sell
6,398,365
-303,984
-5% -$9.59M 3.35% 5
2023
Q3
$154M Buy
6,702,349
+204,082
+3% +$4.57M 0.89% 7
2023
Q2
$107M Hold
6,498,267
0.62% 12
2023
Q1
$116M Buy
6,498,267
+143,659
+2% +$3.61M 0.63% 8
2022
Q4
$185M Buy
6,354,608
+291,906
+5% +$7.5M 1.11% 8
2022
Q3
$149M Buy
6,062,702
+1,937,640
+47% +$36M 0.97% 9
2022
Q2
$17.1M Hold
4,125,062
0.1% 53
2022
Q1
$47.5M Buy
4,125,062
+261,823
+7% +$2.3M 0.27% 29
2021
Q4
$38.6M Hold
3,863,239
0.19% 40
2021
Q3
$50.5M Hold
3,863,239
0.22% 36
2021
Q2
$75.6M Buy
3,863,239
+383,366
+11% +$7.96M 0.33% 28
2021
Q1
$74M Buy
3,479,873
+1,165,000
+50% +$33.8M 0.32% 29
2020
Q4
$68.8M Sell
2,314,873
-156,282
-6% -$3.97M 0.26% 26
2020
Q3
$53.5M Sell
2,471,155
-228,900
-8% -$5.25M 0.21% 29
2020
Q2
$60.2M Sell
2,700,055
-8,145
-0.3% -$159K 0.27% 31
2020
Q1
$41.2M Hold
2,708,200
0.25% 29
2019
Q4
$62.2M Hold
2,708,200
0.33% 25
2019
Q3
$58.5M Hold
2,708,200
0.4% 20
2019
Q2
$59.6M Hold
2,708,200
0.4% 24
2019
Q1
$74.2M Hold
2,708,200
0.48% 21
2018
Q4
$72.8M Hold
2,708,200
0.6% 16
2018
Q3
$79M Hold
2,708,200
0.52% 19
2018
Q2
$84.7M Buy
2,708,200
+659,180
+32% +$18M 0.64% 17
2018
Q1
$40.8M Hold
2,049,020
0.35% 28
2017
Q4
$59.5M Buy
+2,049,020
New +$54.2M 0.52% 22

Other funds holding RYTM

Baker Bros. Advisors's RYTM Position: Q1 2026 in Review

Baker Bros. Advisors held its Rhythm Pharmaceuticals (RYTM) position steady in Q1 2026 at 5,604,483 shares worth $487M. The position accounts for 2.8% of the portfolio, ranked #12.

Baker Bros. Advisors first reported a position in RYTM in Q4 2017 and has held it in 34 quarters since. The position peaked at $600M in Q4 2025. 285 funds tracked by Wall St. Rank hold RYTM as of Q1 2026.

  • Baker Bros. Advisors held 5,604,483 shares of Rhythm Pharmaceuticals worth $487M as of Q1 2026.
  • Baker Bros. Advisors left its Rhythm Pharmaceuticals share count unchanged in Q1 2026.
  • Rhythm Pharmaceuticals made up 2.8% of Baker Bros. Advisors's portfolio in Q1 2026, its #12 holding.
  • Baker Bros. Advisors first reported a position in Rhythm Pharmaceuticals in Q4 2017 and has held it in 34 quarters since.
  • Baker Bros. Advisors's Rhythm Pharmaceuticals position peaked at $600M in Q4 2025.
  • 285 funds tracked by Wall St. Rank held Rhythm Pharmaceuticals as of Q1 2026.

Based on Baker Bros. Advisors's 13F filing for Q1 2026, filed 15 May 2026.