Rhythm Pharmaceuticals Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 08/14/2026 | 6.67 M | $740.22 M | 0.00% | 9.72% |
| BLACKROCK, INC. | 08/07/2026 | 6.16 M | $683.60 M | -1.29% | 8.98% |
| BAKER BROS. ADVISORS LP | 08/14/2026 | 5.60 M | $622.27 M | 0.00% | 8.17% |
| PRIMECAP MANAGEMENT CO/CA/ | 08/14/2026 | 3.17 M | $351.84 M | -7.28% | 4.62% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 08/13/2026 | 3.14 M | $348.29 M | 3.16% | 4.57% |
| VANGUARD CAPITAL MANAGEMENT LLC | 08/13/2026 | 3.01 M | $333.75 M | 1.29% | 4.38% |
| JPMORGAN CHASE & CO | 08/12/2026 | 2.65 M | $292.18 M | 70.74% | 3.87% |
| PERCEPTIVE ADVISORS LLC | 08/14/2026 | 2.59 M | $287.16 M | 8.95% | 3.77% |
| STATE STREET CORP | 08/07/2026 | 2.57 M | $285.73 M | 13.28% | 3.75% |
| PRICE T ROWE ASSOCIATES INC /MD/ | 08/14/2026 | 2.57 M | $284.92 M | 55.07% | 3.74% |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 08/12/2026 | 2.21 M | $245.22 M | 14.49% | 3.22% |
| GOLDMAN SACHS GROUP INC | 08/14/2026 | 2.13 M | $236.11 M | 8.20% | 3.10% |
| FEDERATED HERMES, INC. | 08/12/2026 | 1.79 M | $198.27 M | 38.83% | 2.60% |
| POLAR CAPITAL HOLDINGS PLC | 08/14/2026 | 1.66 M | $184.71 M | 2.97% | 2.43% |
| GEODE CAPITAL MANAGEMENT, LLC | 08/12/2026 | 1.53 M | $170.32 M | 8.29% | 2.24% |
| CAPITAL RESEARCH GLOBAL INVESTORS | 08/12/2026 | 1.53 M | $170.13 M | 37.37% | 2.23% |
| CITADEL ADVISORS LLC | 09/02/2026 | 1.26 M | $140.30 M | -10.92% | 1.84% |
| CHECKPOINT CAPITAL L.P. | 08/14/2026 | 1.19 M | $131.68 M | -3.36% | 1.73% |
| SIREN, L.L.C. | 08/13/2026 | 1.14 M | $126.16 M | 56.62% | 1.66% |
| MORGAN STANLEY | 08/13/2026 | 1.11 M | $123.49 M | 57.99% | 1.62% |
| FMR LLC | 08/13/2026 | 1.03 M | $113.90 M | -39.29% | 1.50% |
| PICTET ASSET MANAGEMENT HOLDING SA | 07/30/2026 | 957.79 K | $106.25 M | 43.59% | 1.40% |
| JUPITER TOPCO LLC | 08/14/2026 | 925.49 K | $102.75 M | 100.00% | 1.35% |
| ALLIANCEBERNSTEIN L.P. | 08/14/2026 | 894.72 K | $77.81 M | -1.72% | 1.30% |
| WOODLINE PARTNERS LP | 08/14/2026 | 758.89 K | $84.26 M | 0.00% | 1.11% |
| CLEARBRIDGE INVESTMENTS, LLC | 08/13/2026 | 696.47 K | $77.33 M | 14.28% | 1.02% |
| ROCK SPRINGS CAPITAL MANAGEMENT LP | 08/14/2026 | 692.60 K | $76.90 M | 0.41% | 1.01% |
| NORGES BANK | 08/12/2026 | 685.84 K | $76.15 M | 100.00% | 1.00% |
| FRANKLIN RESOURCES INC | 08/13/2026 | 577.03 K | $64.07 M | -7.95% | 0.84% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 08/14/2026 | 552.74 K | $61.37 M | 4.99% | 0.81% |
| SIXTH STREET PARTNERS MANAGEMENT COMPANY, L.P. | 08/14/2026 | 552.74 K | $61.37 M | 100.00% | 0.81% |
| INTEGRAL HEALTH ASSET MANAGEMENT, LLC | 08/14/2026 | 550.00 K | $61.07 M | -8.33% | 0.80% |
| INVESCO LTD. | 08/14/2026 | 543.27 K | $60.32 M | 49.12% | 0.79% |
| NORTHERN TRUST CORP | 08/13/2026 | 540.33 K | $59.99 M | 8.39% | 0.79% |
| UBS ASSET MANAGEMENT AMERICAS INC | 08/13/2026 | 514.85 K | $57.16 M | -4.91% | 0.75% |
| WELLINGTON MANAGEMENT GROUP LLP | 08/14/2026 | 488.75 K | $54.27 M | 78.53% | 0.71% |
| VANGUARD FIDUCIARY TRUST CO | 08/13/2026 | 445.72 K | $49.49 M | 5.64% | 0.65% |
| LOOMIS SAYLES & CO L P | 08/14/2026 | 434.10 K | $48.20 M | -6.67% | 0.63% |
| CANDRIAM S.C.A. | 08/13/2026 | 433.03 K | $48.03 M | -6.74% | 0.63% |
| SQUAREPOINT OPS LLC | 08/14/2026 | 422.92 K | $46.96 M | 60.83% | 0.62% |
| POINT72 ASSET MANAGEMENT, L.P. | 08/14/2026 | 414.21 K | $45.99 M | -51.09% | 0.60% |
| SOFINNOVA INVESTMENTS, INC. | 08/14/2026 | 408.03 K | $45.30 M | -9.35% | 0.59% |
| AMERIPRISE FINANCIAL INC | 08/14/2026 | 401.63 K | $44.59 M | 4.60% | 0.59% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 08/14/2026 | 397.00 K | $44.08 M | -45.30% | 0.58% |
| BANK OF NEW YORK MELLON CORP | 08/06/2026 | 394.04 K | $43.75 M | 34.35% | 0.57% |
| BRAIDWELL LP | 08/14/2026 | 381.13 K | $42.32 M | 22.70% | 0.56% |
| ARTISAN PARTNERS LIMITED PARTNERSHIP | 08/13/2026 | 354.82 K | $39.40 M | -9.18% | 0.52% |
| BANK OF AMERICA CORP /DE/ | 08/14/2026 | 325.47 K | $36.14 M | -48.23% | 0.47% |
| ORBIMED ADVISORS LLC | 08/14/2026 | 322.90 K | $35.85 M | 2.80% | 0.47% |
| MILLENNIUM MANAGEMENT LLC | 08/14/2026 | 316.72 K | $35.17 M | -29.90% | 0.46% |
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Rhythm Pharmaceuticals Inc. institutional Ownership - FAQ's
During the previous two years, 381 institutional investors and hedge funds held shares of Rhythm Pharmaceuticals Inc.. The most heavily invested institutionals were:
RA CAPITAL MANAGEMENT, L.P.: 6.67 M
BlackRock, Inc.: 6.16 M
BAKER BROS. ADVISORS LP: 5.6 M
PRIMECAP MANAGEMENT CO/CA/: 3.17 M
VANGUARD PORTFOLIO MANAGEMENT LLC: 3.14 M
VANGUARD CAPITAL MANAGEMENT LLC: 3.01 M
113.39% of Rhythm Pharmaceuticals Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 92.07 M shares in the last 24 months. This purchase volume represents approximately $8.56 B in transactions.