ULTRAGENYX PHARMACEUTICAL IN (RARE) Top Institutional Shareholders
ULTRAGENYX PHARMACEUTICAL IN (RARE) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $1.96B in RARE holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of RARE tracked by InsiderSet, reporting ownership valued at approximately $152.93M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $196.43M, representing an estimated gain of +28.45% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 44% of the total disclosed RARE value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, State Street Corp, and several other long-term asset managers with concentrated positions in ULTRAGENYX PHARMACEUTICAL IN (RARE).
This page ranks the largest institutional RARE shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
290
Total Reported Value
$1.96B
Largest Holder
Blackrock, Inc.
Largest Position
$152.93M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
92
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 7,299,598 | $152,926,579 | $196,432,182 | +$43,505,603 | +28.45% | |
| Vanguard Portfolio Management Llc | 0.01% | 5,385,992 | $112,836,532 | $144,937,045 | +$32,100,513 | +28.45% | |
| State Street Corp | 0.00% | 5,021,441 | $105,199,189 | $135,126,977 | +$29,927,788 | +28.45% | |
| Aqr Capital Management Llc | 0.04% | 4,578,024 | $95,909,604 | $123,194,626 | +$27,285,022 | +28.45% | |
| Vanguard Capital Management Llc | 0.00% | 4,189,831 | $87,776,959 | $112,748,352 | +$24,971,393 | +28.45% | |
| Rtw Investments, Lp | 0.76% | 3,648,795 | $76,442,255 | $98,189,073 | +$21,746,818 | +28.45% | |
| Sands Capital Management, Llc | 0.26% | 3,214,533 | $67,344,466 | $86,503,083 | +$19,158,617 | +28.45% | |
| Sofinnova Investments, Inc. | 3.30% | 3,145,888 | $65,906,354 | $84,655,846 | +$18,749,492 | +28.45% | |
| Wellington Management Group Llp | 0.01% | 2,640,812 | $55,325,012 | $71,064,251 | +$15,739,239 | +28.45% | |
| Bellevue Group Ag | 1.19% | 2,380,000 | $49,861,000 | $64,045,800 | +$14,184,800 | +28.45% | |
| Assenagon Asset Management S.A. | 0.08% | 2,257,671 | $47,298,207 | $60,753,927 | +$13,455,720 | +28.45% | |
| Two Sigma Investments, Lp | 0.04% | 2,205,820 | $46,211,929 | $59,358,616 | +$13,146,687 | +28.45% | |
| Frontier Capital Management Co Llc | 0.47% | 2,191,182 | $45,905,260 | $58,964,708 | +$13,059,448 | +28.45% | |
| Citadel Advisors Llc | 0.03% | 2,115,491 | $44,319,536 | $56,927,863 | +$12,608,327 | +28.45% | |
| Geode Capital Management, Llc | 0.00% | 1,849,391 | $38,754,433 | $49,767,112 | +$11,012,679 | +28.42% | |
| Millennium Management Llc | 0.03% | 1,772,184 | $37,127,255 | $47,689,471 | +$10,562,216 | +28.45% | |
| Morgan Stanley | 0.00% | 1,500,528 | $31,436,092 | $40,379,208 | +$8,943,116 | +28.45% | |
| Jacobs Levy Equity Management, Inc | 0.13% | 1,431,071 | $29,980,937 | $38,510,121 | +$8,529,184 | +28.45% | |
| Voloridge Investment Management, Llc | 0.12% | 1,426,834 | $29,892,172 | $38,396,103 | +$8,503,931 | +28.45% | |
| D. E. Shaw & Co., Inc. | 0.02% | 1,261,018 | $26,418,327 | $33,933,994 | +$7,515,667 | +28.45% | |
| Rock Springs Capital Management Lp | 1.50% | 1,218,773 | $25,533,294 | $32,797,181 | +$7,263,887 | +28.45% | |
| Jones Hill Capital Lp | 5.23% | 1,165,557 | $24,418,419 | $31,365,139 | +$6,946,720 | +28.45% | |
| Candriam S.C.A. | 0.12% | 1,096,182 | $22,965,013 | $29,498,258 | +$6,533,245 | +28.45% | |
| Bank Of America Corp | 0.00% | 1,046,546 | $21,925,127 | $28,162,553 | +$6,237,426 | +28.45% | |
| Qube Research & Technologies Ltd | 0.03% | 914,760 | $19,164,222 | $24,616,192 | +$5,451,970 | +28.45% | |
| Point72 Asset Management, L.P. | 0.03% | 893,295 | $18,714,530 | $24,038,568 | +$5,324,038 | +28.45% | |
| Eagle Health Investments Lp | 3.89% | 884,121 | $18,522,335 | $23,791,696 | +$5,269,361 | +28.45% | |
| Catalio Capital Management, Lp | 3.72% | 850,797 | $17,824,197 | $22,894,947 | +$5,070,750 | +28.45% | |
| Ubs Group Ag | 0.00% | 832,740 | $17,445,903 | $22,409,033 | +$4,963,130 | +28.45% | |
| Sphera Funds Management Ltd. | 2.92% | 809,333 | $16,955,526 | $21,779,151 | +$4,823,625 | +28.45% | |
| Nuveen, Llc | 0.00% | 662,054 | $13,870,032 | $17,815,873 | +$3,945,841 | +28.45% | |
| Vanguard Fiduciary Trust Co | 0.00% | 608,219 | $12,742,188 | $16,367,173 | +$3,624,985 | +28.45% | |
| Palo Alto Investors Lp | 1.91% | 596,495 | $12,496,570 | $16,051,680 | +$3,555,110 | +28.45% | |
| Legal & General Group Plc | 0.00% | 590,294 | $12,362,259 | $15,884,812 | +$3,522,553 | +28.49% | |
| Renaissance Technologies LLC | Jim Simons | 0.02% | 561,700 | $11,767,615 | $15,115,347 | +$3,347,732 | +28.45% |
| Charles Schwab Investment Management Inc | 0.00% | 558,486 | $11,700,282 | $15,028,858 | +$3,328,576 | +28.45% | |
| Pictet Asset Management Holding Sa | 0.01% | 603,571 | $11,671,195 | $16,242,096 | +$4,570,901 | +39.16% | |
| Northern Trust Corp | 0.00% | 535,566 | $11,220,107 | $14,412,081 | +$3,191,974 | +28.45% | |
| Susquehanna International Group, Llp | 0.01% | 524,798 | $10,994,518 | $14,122,314 | +$3,127,796 | +28.45% | |
| Jump Financial, Llc | 0.16% | 504,143 | $10,561,796 | $13,566,488 | +$3,004,692 | +28.45% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | 500,922 | $10,494,316 | $13,479,811 | +$2,985,495 | +28.45% | |
| Schonfeld Strategic Advisors Llc | 0.08% | 494,737 | $10,364,739 | $13,313,373 | +$2,948,634 | +28.45% | |
| Bnp Paribas Financial Markets | 0.01% | 490,783 | $10,281,904 | $13,206,971 | +$2,925,067 | +28.45% | |
| Ikarian Capital, Llc | 1.45% | 482,571 | $10,109,863 | $12,985,986 | +$2,876,123 | +28.45% | |
| Adage Capital Partners Gp, L.L.C. | 0.02% | 480,000 | $10,056,000 | $12,916,800 | +$2,860,800 | +28.45% | |
| Manufacturers Life Insurance Company, The | 0.01% | 451,119 | $9,450,943 | $12,139,612 | +$2,688,669 | +28.45% | |
| Squarepoint Ops Llc | 0.02% | 444,539 | $9,313,092 | $11,962,544 | +$2,649,452 | +28.45% | |
| Bnp Paribas Asset Management Holding S.A. | 0.01% | 418,149 | $8,760,222 | $11,252,390 | +$2,492,168 | +28.45% | |
| Russell Investments Group, Ltd. | 0.01% | 402,959 | $8,442,003 | $10,843,627 | +$2,401,624 | +28.45% | |
| Newtyn Management, Llc | 0.90% | 400,000 | $8,380,000 | $10,764,000 | +$2,384,000 | +28.45% |
Frequently asked questions about RARE
Who owns the most RARE stock?
The largest holders of RARE are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ULTRAGENYX PHARMACEUTICAL IN (RARE).
Is RARE widely held by superinvestors?
Many widely followed stocks like RARE appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly RARE is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.