Rhythm Pharmaceuticals, Inc.
RYTM- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001649904
In the last 90 days, Rhythm Pharmaceuticals, Inc. insiders filed 0 open-market purchases and 6 sales; 304 institutions reported holding it in 13F filings for Q2 2026, worth $8.55B in total; Duquesne Family Office is the only superinvestor holding it.
13F holders, Q1 2022
Institutional positions in Rhythm Pharmaceuticals, Inc. as of Mar 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 111
- +13 vs. Q4 2021
- Shares held
- 48.9M
- +401.3K (+0.8%) vs. Q4 2021
- Total value
- $562.7M
- +$79.1M (+16.4%) vs. Q4 2021
- New holders
- 22
- 32 more added
- Sold out
- 9
- 37 more reduced
Compare with Q4 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting RYTM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 304 | $8.55B |
| Q1 2026 | 285 | $6.42B |
| Q4 2025 | 281 | $7.80B |
| Q3 2025 | 264 | $7.20B |
| Q2 2025 | 227 | $4.20B |
| Q1 2025 | 228 | $3.44B |
| Q4 2024 | 203 | $3.63B |
| Q3 2024 | 176 | $3.55B |
| Q2 2024 | 165 | $2.85B |
| Q1 2024 | 167 | $2.95B |
| Q4 2023 | 169 | $3.07B |
| Q3 2023 | 144 | $1.56B |
| Q2 2023 | 116 | $1.09B |
| Q1 2023 | 126 | $1.08B |
| Q4 2022 | 115 | $1.81B |
| Q3 2022 | 101 | $1.45B |
| Q2 2022 | 90 | $190.8M |
| Q1 2022 | 111 | $562.7M |
| Q4 2021 | 98 | $483.6M |
| Q3 2021 | 97 | $626.3M |
| Q2 2021 | 105 | $905.6M |
| Q1 2021 | 124 | $1.01B |
Institutions, Q1 2022
Shares, value and share of portfolio for each institution holding Rhythm Pharmaceuticals, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| US Bancorp | 130 | $1.00K | 0.00% | −3,034−95.9% | Reduced |
| Signaturefd, LLC | 69 | $1.00K | 0.00% | −42−37.8% | Reduced |
| Newbridge Financial Services Group, Inc. | 65 | $1.00K | 0.00% | 00.0% | Unchanged |
| Beaird Harris Wealth Management, LLC | 49 | $1.00K | 0.00% | 00.0% | Unchanged |
| Kayne Anderson Rudnick Investment Management LLC | 72 | $1.00K | 0.00% | +72 | New |
| Daiwa Securities Group Inc. | 172 | $2.00K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 210 | $2.00K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 154 | $2.00K | 0.00% | +154 | New |
| TCWP LLC | 180 | $2.00K | 0.00% | +180 | New |
| Aquatic Capital Management LLC | 300 | $3.00K | 0.00% | −3,700−92.5% | Reduced |
| Bessemer Group Inc | 251 | $3.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 266 | $3.00K | 0.00% | +66+33.0% | Added |
| State of Wyoming | 249 | $3.00K | 0.00% | +41+19.7% | Added |
| The PNC Financial Services Group, Inc. | 350 | $4.00K | 0.00% | 00.0% | Unchanged |
| Toronto Dominion Bank | 335 | $4.00K | 0.00% | +335 | New |
| Lindbrook Capital, LLC | 443 | $5.00K | 0.00% | +360+433.7% | Added |
| TCI Wealth Advisors, Inc. | 472 | $5.00K | 0.00% | +472 | New |
| UBS Group AG | 500 | $6.00K | 0.00% | −103,080−99.5% | Reduced |
| Koshinski Asset Management, Inc. | 1,100 | $12.7K | 0.00% | +40+3.8% | Added |
| FourThought Financial, LLC | 1,776 | $20.0K | 0.00% | −383−17.7% | Reduced |
| Cutler Group LP | 1,836 | $21.0K | 0.00% | +1,836 | New |
| Sierra Capital LLC | 2,400 | $28.0K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 2,363 | $29.0K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 2,538 | $29.0K | 0.00% | +2,538 | New |
| Royal Bank of Canada | 2,796 | $32.0K | 0.00% | −5,735−67.2% | Reduced |
| Metropolitan Life Insurance Co | 3,036 | $35.0K | 0.00% | −4,498−59.7% | Reduced |
| Chicago Partners Investment Group LLC | 12,398 | $39.0K | 0.00% | +12,398 | New |
| Ameritas Investment Partners, Inc. | 3,454 | $40.0K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 3,742 | $43.0K | 0.00% | −1,656−30.7% | Reduced |
| Simplex Trading, LLC | 3,899 | $44.0K | 0.00% | +551+16.5% | Added |
| Citigroup Inc | 4,532 | $52.0K | 0.00% | −91,485−95.3% | Reduced |
| Ensign Peak Advisors, Inc | 5,090 | $59.0K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 5,326 | $61.0K | 0.00% | +5,326 | New |
| Amalgamated Financial Corp. | 5,326 | $61.0K | 0.00% | +5,326 | New |
| Macquarie Group Ltd | 8,155 | $94.0K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 9,818 | $113.0K | 0.00% | −11,325−53.6% | Reduced |
| AQR Capital Management LLC | 10,131 | $117.0K | 0.00% | +10,131 | New |
| Exane Derivatives | 10,233 | $117.9K | 0.03% | +2,347+29.8% | Added |
| Parametric Portfolio Associates LLC | 10,309 | $119.0K | 0.00% | −5,881−36.3% | Reduced |
| Mirabella Financial Services LLP | 10,530 | $121.0K | 0.01% | +10,530 | New |
| BNP Paribas Arbitrage, SA | 11,764 | $135.5K | 0.00% | −25,610−68.5% | Reduced |
| Virginia Retirement Systems Et Al | 11,800 | $136.0K | 0.00% | +11,800 | New |
| Price T Rowe Associates Inc | 12,900 | $149.0K | 0.00% | +12,900 | New |
| Legal & General Group Plc | 13,263 | $153.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 13,465 | $155.0K | 0.00% | −3,242−19.4% | Reduced |
| State Board of Administration of Florida Retirement System | 13,990 | $161.0K | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 14,562 | $168.0K | 0.00% | +14,562 | New |
| Virtus ETF Advisers LLC | 16,317 | $188.0K | 0.08% | −973−5.6% | Reduced |
| Invesco Ltd. | 16,507 | $190.0K | 0.00% | −7,741−31.9% | Reduced |
| Voya Investment Management LLC | 17,216 | $198.0K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 17,671 | $204.0K | 0.00% | −46,797−72.6% | Reduced |
| Jane Street Group, LLC | 18,923 | $218.0K | 0.00% | +18,923 | New |
| Manufacturers Life Insurance Company, The | 19,385 | $223.3K | 0.00% | −5,310−21.5% | Reduced |
| Hantz Financial Services, Inc. | 19,887 | $229.0K | 0.01% | +3,018+17.9% | Added |
| Barclays PLC | 21,199 | $245.0K | 0.00% | −32,270−60.4% | Reduced |
| American International Group, Inc. | 21,871 | $252.0K | 0.00% | −1,540−6.6% | Reduced |
| Renaissance Technologies LLC | 23,100 | $266.0K | 0.00% | +23,100 | New |
| Nisa Investment Advisors, LLC | 23,400 | $270.0K | 0.00% | +19,800+550.0% | Added |
| MetLife Investment Management | 24,442 | $281.6K | 0.00% | +9,070+59.0% | Added |
| Stifel Financial Corp | 26,366 | $303.0K | 0.00% | −47,547−64.3% | Reduced |
| JPMorgan Chase & Co | 26,981 | $312.0K | 0.00% | +4,701+21.1% | Added |
| Credit Suisse AG | 27,271 | $314.0K | 0.00% | −1,146−4.0% | Reduced |
| ACT Capital Management, LLC | 27,500 | $317.0K | 0.34% | 00.0% | Unchanged |
| Jump Financial, LLC | 27,500 | $317.0K | 0.01% | +27,500 | New |
| UBS Asset Management Americas Inc | 29,431 | $339.0K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 30,582 | $352.0K | 0.00% | +60.0% | Added |
| Tower Research Capital LLC (TRC) | 34,508 | $397.0K | 0.00% | +31,990+1,270.5% | Added |
| Bank of America Corp | 39,615 | $457.0K | 0.00% | −83,020−67.7% | Reduced |
| Caxton Associates LP | 41,108 | $474.0K | 0.05% | −18,289−30.8% | Reduced |
| Alliancebernstein L.P. | 44,900 | $517.0K | 0.00% | +100+0.2% | Added |
| California State Teachers Retirement System | 48,651 | $560.0K | 0.00% | −4,838−9.0% | Reduced |
| HRT Financial LP | 49,198 | $566.0K | 0.00% | +23,280+89.8% | Added |
| Tudor Investment Corp Et Al | 51,238 | $590.0K | 0.02% | +21,760+73.8% | Added |
| Hennion & Walsh Asset Management, Inc. | 53,300 | $614.0K | 0.03% | +1,088+2.1% | Added |
| Rhumbline Advisers | 56,942 | $656.0K | 0.00% | −3,595−5.9% | Reduced |
| Swiss National Bank | 83,300 | $960.0K | 0.00% | +5,600+7.2% | Added |
| SG Americas Securities, LLC | 85,182 | $981.0K | 0.01% | −6,477−7.1% | Reduced |
| Wellington Management Group LLP | 85,811 | $989.0K | 0.00% | −660,072−88.5% | Reduced |
| D. E. Shaw & Co., Inc. | 96,985 | $1.12M | 0.00% | +96,985 | New |
| State of Wisconsin Investment Board | 97,900 | $1.13M | 0.00% | +49,500+102.3% | Added |
| Endurant Capital Management LP | 105,792 | $1.22M | 0.37% | −91,670−46.4% | Reduced |
| Bell & Brown Wealth Advisors, LLC | 117,400 | $1.35M | 0.61% | +117,400 | New |
| Rice Hall James & Associates, LLC | 136,521 | $1.57M | 0.06% | +8,975+7.0% | Added |
| Pinz Capital Management, LP | 148,475 | $1.71M | 1.07% | +148,475 | New |
| Bank of New York Mellon Corp | 152,349 | $1.76M | 0.00% | −4,569−2.9% | Reduced |
| Dimensional Fund Advisors LP | 193,709 | $2.23M | 0.00% | +34,840+21.9% | Added |
| Nuveen Asset Management, LLC | 199,950 | $2.25M | 0.00% | −2,428−1.2% | Reduced |
| Deutsche Bank AG | 227,114 | $2.62M | 0.00% | +200,360+748.9% | Added |
| Citadel Advisors LLC | 249,924 | $2.88M | 0.00% | +249,924 | New |
| Morgan Stanley | 255,492 | $2.94M | 0.00% | −12,871−4.8% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 291,005 | $3.35M | 0.07% | −1,576,462−84.4% | Reduced |
| Charles Schwab Investment Management Inc | 298,325 | $3.44M | 0.00% | +9,219+3.2% | Added |
| Samsara BioCapital, LLC | 345,293 | $3.98M | 1.01% | 00.0% | Unchanged |
| Millennium Management LLC | 360,592 | $4.15M | 0.01% | +46,888+14.9% | Added |
| Northern Trust Corp | 416,887 | $4.80M | 0.00% | −12,184−2.8% | Reduced |
| FMR LLC | 553,867 | $6.38M | 0.00% | +7,547+1.4% | Added |
| Assenagon Asset Management S.A. | 705,920 | $8.13M | 0.03% | +21,174+3.1% | Added |
| Geode Capital Management, LLC | 740,889 | $8.54M | 0.00% | +26,861+3.8% | Added |
| State Street Corp | 811,183 | $9.35M | 0.00% | −1,119,907−58.0% | Reduced |
| MPM Asset Management LLC | 909,258 | $10.5M | 3.58% | 00.0% | Unchanged |