HARMONY BIOSCIENCES HOLDINGS (HRMY) Top Institutional Shareholders
HARMONY BIOSCIENCES HOLDINGS (HRMY) 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 $1.38B in HRMY holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of HRMY tracked by InsiderSet, reporting ownership valued at approximately $198.03M 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 $238.76M, representing an estimated gain of +20.56% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 51% of the total disclosed HRMY value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Fmr Llc, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in HARMONY BIOSCIENCES HOLDINGS (HRMY).
This page ranks the largest institutional HRMY 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
306
Total Reported Value
$1.38B
Largest Holder
Blackrock, Inc.
Largest Position
$198.03M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
72
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% | 7,070,035 | $198,031,682 | $238,755,082 | +$40,723,400 | +20.56% | |
| Fmr Llc | 0.00% | 3,157,639 | $88,445,461 | $106,633,469 | +$18,188,008 | +20.56% | |
| Vanguard Portfolio Management Llc | 0.00% | 2,714,353 | $76,029,028 | $91,663,701 | +$15,634,673 | +20.56% | |
| American Century Companies Inc | 0.03% | 2,105,179 | $58,966,064 | $71,091,895 | +$12,125,831 | +20.56% | |
| Vanguard Capital Management Llc | 0.00% | 2,102,315 | $58,885,843 | $70,995,178 | +$12,109,335 | +20.56% | |
| Dimensional Fund Advisors Lp | 0.01% | 2,076,510 | $58,157,110 | $70,123,743 | +$11,966,633 | +20.58% | |
| State Street Corp | 0.00% | 1,784,362 | $49,979,980 | $60,257,905 | +$10,277,925 | +20.56% | |
| Armistice Capital, Llc | 1.50% | 1,624,000 | $45,488,240 | $54,842,480 | +$9,354,240 | +20.56% | |
| Arrowstreet Capital, Limited Partnership | 0.02% | 1,382,113 | $38,712,985 | $46,673,956 | +$7,960,971 | +20.56% | |
| Geode Capital Management, Llc | 0.00% | 1,322,720 | $37,054,782 | $44,668,254 | +$7,613,472 | +20.55% | |
| Goldman Sachs Group Inc | 0.00% | 1,239,207 | $34,710,189 | $41,848,020 | +$7,137,831 | +20.56% | |
| Renaissance Technologies LLC | Jim Simons | 0.05% | 1,077,371 | $30,177,162 | $36,382,819 | +$6,205,657 | +20.56% |
| Morgan Stanley | 0.00% | 1,031,018 | $28,878,819 | $34,817,478 | +$5,938,659 | +20.56% | |
| Millennium Management Llc | 0.02% | 954,359 | $26,731,596 | $32,228,703 | +$5,497,107 | +20.56% | |
| Two Sigma Investments, Lp | 0.02% | 733,443 | $20,543,738 | $24,768,370 | +$4,224,632 | +20.56% | |
| Aqr Capital Management Llc | 0.01% | 716,246 | $20,062,050 | $24,187,627 | +$4,125,577 | +20.56% | |
| Invesco Ltd. | 0.00% | 628,247 | $17,597,198 | $21,215,901 | +$3,618,703 | +20.56% | |
| Trexquant Investment Lp | 0.12% | 594,850 | $16,661,749 | $20,088,085 | +$3,426,336 | +20.56% | |
| Citadel Advisors Llc | 0.01% | 585,623 | $16,403,300 | $19,776,489 | +$3,373,189 | +20.56% | |
| Dz Bank Ag Deutsche Zentral Genossenschafts Bank, Frankfurt Am Main | 0.01% | 567,115 | $15,884,891 | $19,151,474 | +$3,266,583 | +20.56% | |
| Bnp Paribas Financial Markets | 0.01% | 545,188 | $15,270,716 | $18,410,999 | +$3,140,283 | +20.56% | |
| Nomura Holdings Inc | 0.12% | 520,947 | $14,591,725 | $17,592,380 | +$3,000,655 | +20.56% | |
| Venbio Partners Llc | 4.88% | 489,194 | $13,702,324 | $16,520,081 | +$2,817,757 | +20.56% | |
| Man Group Plc | 0.03% | 461,898 | $12,937,763 | $15,598,295 | +$2,660,532 | +20.56% | |
| Ubs Group Ag | 0.00% | 447,991 | $12,548,228 | $15,128,656 | +$2,580,428 | +20.56% | |
| Northern Trust Corp | 0.00% | 423,229 | $11,854,645 | $14,292,443 | +$2,437,798 | +20.56% | |
| Charles Schwab Investment Management Inc | 0.00% | 411,597 | $11,528,832 | $13,899,631 | +$2,370,799 | +20.56% | |
| Royce & Associates Lp | 0.10% | 356,671 | $9,990,355 | $12,044,780 | +$2,054,425 | +20.56% | |
| Qube Research & Technologies Ltd | 0.01% | 352,637 | $9,877,362 | $11,908,551 | +$2,031,189 | +20.56% | |
| Victory Capital Management Inc | 0.01% | 351,630 | $9,849,156 | $11,874,545 | +$2,025,389 | +20.56% | |
| Capital Management Corp | 1.52% | 317,925 | $8,905,079 | $10,736,327 | +$1,831,248 | +20.56% | |
| Vanguard Fiduciary Trust Co | 0.00% | 286,217 | $8,016,938 | $9,665,548 | +$1,648,610 | +20.56% | |
| Federated Hermes, Inc. | 0.01% | 279,130 | $7,818,431 | $9,426,220 | +$1,607,789 | +20.56% | |
| Caption Management, Llc | 0.36% | 272,292 | $7,626,899 | $9,195,301 | +$1,568,402 | +20.56% | |
| Massachusetts Financial Services Co | 0.00% | 270,013 | $7,563,064 | $9,118,339 | +$1,555,275 | +20.56% | |
| Bank Of New York Mellon Corp | 0.00% | 264,411 | $7,406,164 | $8,929,159 | +$1,522,995 | +20.56% | |
| Universal- Beteiligungs- Und Servicegesellschaft Mbh | 0.01% | 259,187 | $7,259,827 | $8,752,745 | +$1,492,918 | +20.56% | |
| Principal Financial Group Inc | 0.00% | 258,684 | $7,245,738 | $8,735,759 | +$1,490,021 | +20.56% | |
| Bridgewater Associates, Lp | 0.03% | 251,506 | $7,044,683 | $8,493,358 | +$1,448,675 | +20.56% | |
| Sei Investments Co | 0.01% | 194,188 | $5,439,203 | $6,557,729 | +$1,118,526 | +20.56% | |
| Alliancebernstein L.P. | 0.00% | 144,345 | $5,401,390 | $4,874,531 | -$526,859 | -9.75% | |
| Franklin Resources Inc | 0.00% | 188,140 | $5,269,802 | $6,353,488 | +$1,083,686 | +20.56% | |
| Deutsche Bank Ag\ | 0.00% | 184,945 | $5,180,309 | $6,245,593 | +$1,065,284 | +20.56% | |
| Public Sector Pension Investment Board | 0.02% | 180,241 | $5,048,550 | $6,086,739 | +$1,038,189 | +20.56% | |
| Allspring Global Investments Holdings, Llc | 0.01% | 176,219 | $4,927,083 | $5,950,916 | +$1,023,833 | +20.78% | |
| Los Angeles Capital Management Llc | 0.02% | 166,198 | $4,655,206 | $5,612,506 | +$957,300 | +20.56% | |
| Engineers Gate Manager Lp | 0.06% | 161,625 | $4,527,116 | $5,458,076 | +$930,960 | +20.56% | |
| Pictet Asset Management Holding Sa | 0.00% | 163,107 | $4,396,614 | $5,508,123 | +$1,111,509 | +25.28% | |
| Sofinnova Investments, Inc. | 0.21% | 152,695 | $4,276,987 | $5,156,510 | +$879,523 | +20.56% | |
| Marshall Wace, Llp | 0.00% | 149,715 | $4,193,520 | $5,055,876 | +$862,356 | +20.56% |
Frequently asked questions about HRMY
Who owns the most HRMY stock?
The largest holders of HRMY 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 HARMONY BIOSCIENCES HOLDINGS (HRMY).
Is HRMY widely held by superinvestors?
Many widely followed stocks like HRMY appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly HRMY 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.