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ALLIANCEBERNSTEIN L.P.

Position in RYTM — Rhythm Pharmaceuticals, Inc.

CIK 1109448 NASHVILLE, TN

Position in RYTM

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$79,178,618
-$20,393,522 QoQ
Shares Held
910,413
-2.1% QoQ
Ownership
1.33%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
21 quarters on record
Voting authority Sole 95.6302249638351.ToString("F0")% Shared 0.ToString("F0")% None 4.3697750361649055.ToString("F0")%

Common Shares in RYTM Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

ALLIANCEBERNSTEIN L.P. holds $5,114,145,940 across 211 Biotechnology names. RYTM ranks #13 (1.5% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in RYTM

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21 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $79,178,618 910,413
2025-12-31 $99,572,140 930,233
2025-09-30 $98,938,085 979,682
2025-06-30 $3,884,289 61,470
2025-03-31 $3,256,065 61,470
2024-12-31 $3,441,090 61,470
2024-09-30 $3,120,872 59,570
2024-06-30 $2,507,534 61,070
2024-03-31 $2,315,121 53,430
2023-12-31 $2,500,308 54,390
2023-09-30 $1,246,890 54,390
2023-06-30 $896,891 54,390
2022-03-31 $517,248 44,900
2021-12-31 $447,104 44,800
2021-09-30 $543,296 41,600
2021-06-30 $814,528 41,600
2021-03-31 $884,832 41,600
2020-12-31 $1,192,173 40,100
2020-09-30 $868,967 40,100
2020-06-30 $920,990 41,300
2020-03-31 $371,368 24,400