Rhythm Pharmaceuticals Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| BLACKROCK, INC. | 02/12/2026 | 6.30 M | $674.07 M | -0.08% | 9.79% |
| VANGUARD GROUP INC | 01/29/2026 | 6.21 M | $664.82 M | 24.31% | 9.65% |
| PRIMECAP MANAGEMENT CO/CA/ | 02/11/2026 | 3.48 M | $372.36 M | -18.40% | 5.41% |
| STATE STREET CORP | 02/13/2026 | 2.20 M | $235.34 M | 8.38% | 3.42% |
| GOLDMAN SACHS GROUP INC | 02/10/2026 | 1.83 M | $195.98 M | -3.32% | 2.85% |
| FEDERATED HERMES, INC. | 02/12/2026 | 1.62 M | $173.82 M | -6.02% | 2.52% |
| JPMORGAN CHASE & CO | 02/11/2026 | 1.42 M | $152.42 M | 19.86% | 2.21% |
| GEODE CAPITAL MANAGEMENT, LLC | 02/09/2026 | 1.38 M | $147.28 M | 0.95% | 2.14% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 02/11/2026 | 1.27 M | $135.64 M | 18.54% | 1.97% |
| CAPITAL RESEARCH GLOBAL INVESTORS | 02/11/2026 | 985.09 K | $105.44 M | 64.66% | 1.53% |
| JENNISON ASSOCIATES LLC | 01/30/2026 | 918.57 K | $98.32 M | 123.20% | 1.43% |
| FRANKLIN RESOURCES INC | 02/11/2026 | 695.74 K | $74.47 M | 22.54% | 1.08% |
| MORGAN STANLEY | 02/13/2026 | 651.40 K | $69.73 M | 40.03% | 1.01% |
| LORD, ABBETT & CO. LLC | 02/13/2026 | 619.54 K | $66.32 M | 7.56% | 0.96% |
| PICTET ASSET MANAGEMENT HOLDING SA | 01/29/2026 | 614.66 K | $66.19 M | -10.01% | 0.96% |
| UBS ASSET MANAGEMENT AMERICAS INC | 02/13/2026 | 549.02 K | $58.77 M | 25.50% | 0.85% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 02/13/2026 | 532.45 K | $56.99 M | 0.86% | 0.83% |
| CLEARBRIDGE INVESTMENTS, LLC | 02/11/2026 | 506.11 K | $54.17 M | 4.41% | 0.79% |
| LOOMIS SAYLES & CO L P | 02/12/2026 | 503.90 K | $53.94 M | -4.46% | 0.78% |
| SIREN, L.L.C. | 02/13/2026 | 499.98 K | $53.52 M | 0.00% | 0.78% |
| UBS GROUP AG | 01/29/2026 | 427.24 K | $45.73 M | 1.64% | 0.66% |
| RENAISSANCE TECHNOLOGIES LLC | 02/12/2026 | 341.19 K | $36.52 M | -37.58% | 0.53% |
| BANK OF NEW YORK MELLON CORP | 02/10/2026 | 301.08 K | $32.23 M | 65.10% | 0.47% |
| SOFINNOVA INVESTMENTS, INC. | 02/13/2026 | 271.39 K | $29.05 M | 9.89% | 0.42% |
| VOYA INVESTMENT MANAGEMENT LLC | 02/12/2026 | 249.87 K | $26.75 M | 12.76% | 0.39% |
| BANK OF AMERICA CORP /DE/ | 02/17/2026 | 224.48 K | $24.03 M | -3.72% | 0.35% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 02/17/2026 | 212.80 K | $22.78 M | -18.03% | 0.33% |
| LOGOS GLOBAL MANAGEMENT LP | 02/17/2026 | 190.00 K | $20.34 M | -5.00% | 0.30% |
| MILLENNIUM MANAGEMENT LLC | 02/17/2026 | 186.71 K | $19.99 M | 40.21% | 0.29% |
| BNP PARIBAS ARBITRAGE, SNC | 02/10/2026 | 164.56 K | $17.61 M | -26.43% | 0.26% |
| CITADEL ADVISORS LLC | 02/17/2026 | 153.32 K | $16.41 M | 15.60% | 0.24% |
| CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD. | 02/10/2026 | 149.37 K | $15.99 M | 23.18% | 0.23% |
| FIRST TURN MANAGEMENT, LLC | 02/13/2026 | 146.30 K | $15.66 M | 100.00% | 0.23% |
| JANE STREET GROUP, LLC | 02/12/2026 | 137.70 K | $14.74 M | 88.63% | 0.21% |
| M&G PLC | 02/12/2026 | 137.07 K | $14.67 M | 100.00% | 0.21% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 02/12/2026 | 135.95 K | $14.55 M | -63.26% | 0.21% |
| BARCLAYS PLC | 02/13/2026 | 131.44 K | $14.07 M | -7.69% | 0.20% |
| DEUTSCHE BANK AG\ | 02/11/2026 | 129.12 K | $13.82 M | 10.61% | 0.20% |
| UNIVERSAL- BETEILIGUNGS- UND SERVICEGESELLSCHAFT MBH | 01/28/2026 | 123.54 K | $13.22 M | 21.87% | 0.19% |
| NUVEEN, LLC | 02/12/2026 | 115.93 K | $12.41 M | -1.72% | 0.18% |
| CAPITAL WORLD INVESTORS | 02/11/2026 | 115.69 K | $12.38 M | 100.00% | 0.18% |
| SWISS NATIONAL BANK | 02/12/2026 | 111.30 K | $11.91 M | 8.80% | 0.17% |
| NEW YORK STATE COMMON RETIREMENT FUND | 02/12/2026 | 93.68 K | $10.03 M | 24.68% | 0.15% |
| AXIOM INVESTORS LLC /DE | 02/11/2026 | 83.55 K | $8.94 M | 0.63% | 0.13% |
| ZWEIG-DIMENNA ASSOCIATES LLC | 02/10/2026 | 81.60 K | $8.73 M | 100.00% | 0.13% |
| NEUBERGER BERMAN GROUP LLC | 02/13/2026 | 73.57 K | $7.88 M | -13.56% | 0.11% |
| WELLS FARGO & COMPANY/MN | 02/13/2026 | 72.62 K | $7.77 M | 54.07% | 0.11% |
| RHUMBLINE ADVISERS | 02/13/2026 | 71.21 K | $7.62 B | -13.23% | 0.11% |
| AQR CAPITAL MANAGEMENT LLC | 02/17/2026 | 70.05 K | $7.50 M | -12.20% | 0.11% |
| NORGES BANK | 02/10/2026 | 66.21 K | $7.09 M | 100.00% | 0.10% |
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Rhythm Pharmaceuticals Inc. institutional Ownership - FAQ's
During the previous two years, 258 institutional investors and hedge funds held shares of Rhythm Pharmaceuticals Inc.. The most heavily invested institutionals were:
BlackRock, Inc.: 6.3 M
VANGUARD GROUP INC: 6.21 M
PRIMECAP MANAGEMENT CO/CA/: 3.48 M
STATE STREET CORP: 2.2 M
GOLDMAN SACHS GROUP INC: 1.83 M
FEDERATED HERMES, INC.: 1.62 M
113.51% of Rhythm Pharmaceuticals Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 45.88 M shares in the last 24 months. This purchase volume represents approximately $4.61 B in transactions.