MILESTONE PHARMACEUTICALS IN (MIST) Institutional Shareholders
MILESTONE PHARMACEUTICALS IN (MIST) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $54.20M in MIST holdings during the latest filing period.
Rtw Investments, Lp is currently the largest disclosed institutional shareholder of MIST tracked by InsiderSet, reporting ownership valued at approximately $10.50M in its June 30, 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 $7.20M, representing an estimated loss of -31.37% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 84% of the total disclosed MIST value among the investors covered in this analysis. Major shareholders include Rtw Investments, Lp, Propel Bio Management, Llc, Point72 Asset Management, L.P., and several other long-term asset managers with concentrated positions in MILESTONE PHARMACEUTICALS IN (MIST).
This page ranks the largest institutional MIST 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
76
Total Reported Value
$54.20M
Largest Holder
Rtw Investments, Lp
Largest Position
$10.50M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
102
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Rtw Investments, Lp | 0.09% | 7,833,336 | $10,496,670 | $7,203,536 | -$3,293,134 | -31.37% | |
| Propel Bio Management, Llc | 5.21% | 7,429,590 | $9,955,651 | $6,832,251 | -$3,123,400 | -31.37% | |
| Point72 Asset Management, L.P. | 0.01% | 5,411,138 | $7,250,925 | $4,976,083 | -$2,274,842 | -31.37% | |
| Simplify Asset Management Inc. | 0.06% | 3,349,379 | $4,488,168 | $3,080,089 | -$1,408,079 | -31.37% | |
| Millennium Management Llc | 0.00% | 3,142,219 | $4,210,573 | $2,889,585 | -$1,320,988 | -31.37% | |
| Two Sigma Investments, Lp | 0.00% | 2,040,015 | $2,733,620 | $1,875,998 | -$857,622 | -31.37% | |
| Marshall Wace, Llp | 0.00% | 1,797,695 | $2,408,911 | $1,653,160 | -$755,751 | -31.37% | |
| Kalehua Capital Management Llc | 0.98% | 1,269,237 | $1,700,778 | $1,167,190 | -$533,588 | -31.37% | |
| Lion Point Capital, Lp | 5.26% | 820,000 | $1,098,800 | $754,072 | -$344,728 | -31.37% | |
| Toronto Dominion Bank | 0.00% | 750,000 | $1,005,000 | $689,700 | -$315,300 | -31.37% | |
| Ameriprise Financial Inc | 0.00% | 666,666 | $893,332 | $613,066 | -$280,266 | -31.37% | |
| Boxer Capital Management, Llc | 0.07% | 666,666 | $893,332 | $613,066 | -$280,266 | -31.37% | |
| Morgan Stanley | 0.00% | 635,211 | $851,183 | $584,140 | -$267,043 | -31.37% | |
| Ubs Group Ag | 0.00% | 465,403 | $623,641 | $427,985 | -$195,656 | -31.37% | |
| Boothbay Fund Management, Llc | 0.01% | 462,669 | $619,976 | $425,470 | -$194,506 | -31.37% | |
| Susquehanna International Group, Llp | 0.00% | 359,895 | $482,259 | $330,959 | -$151,300 | -31.37% | |
| Aptus Capital Advisors, Llc | 0.00% | 339,450 | $454,863 | $312,158 | -$142,705 | -31.37% | |
| Guardian Wealth Advisors, Llc / Nc | 0.03% | 339,450 | $454,863 | $312,158 | -$142,705 | -31.37% | |
| Seven Fleet Capital Management Lp | 0.06% | 270,233 | $362,112 | $248,506 | -$113,606 | -31.37% | |
| Squarepoint Ops Llc | 0.00% | 231,824 | $310,644 | $213,185 | -$97,459 | -31.37% | |
| Lpl Financial Llc | 0.00% | 220,873 | $295,970 | $203,115 | -$92,855 | -31.37% | |
| Balyasny Asset Management L.P. | 0.00% | 220,498 | $295,467 | $202,770 | -$92,697 | -31.37% | |
| Bnp Paribas Financial Markets | 0.00% | 173,704 | $232,763 | $159,738 | -$73,025 | -31.37% | |
| Tru Independence Asset Management 2, Llc | 0.11% | 150,000 | $201,000 | $137,940 | -$63,060 | -31.37% | |
| Wealthspire Advisors, Llc | 0.00% | 140,629 | $188,443 | $129,322 | -$59,121 | -31.37% | |
| Valeo Financial Advisors, Llc | 0.00% | 130,699 | $175,137 | $120,191 | -$54,946 | -31.37% | |
| Adar1 Capital Management, Llc | 0.01% | 100,000 | $134,000 | $91,960 | -$42,040 | -31.37% | |
| Cascades Capital Asset Management, Llc | 0.04% | 83,610 | $112,037 | $76,888 | -$35,149 | -31.37% | |
| Quadrature Capital Ltd | 0.00% | 64,661 | $86,646 | $59,462 | -$27,184 | -31.37% | |
| Jane Street Group, Llc | 0.00% | 57,787 | $77,435 | $53,141 | -$24,294 | -31.37% | |
| Simplex Trading, Llc | 0.00% | 54,171 | $72,589 | $49,816 | -$22,773 | -31.37% | |
| Bay Rivers Group | 0.02% | 46,633 | $62,488 | $42,884 | -$19,604 | -31.37% | |
| Sg Americas Securities, Llc | 0.00% | 45,574 | $61,000 | $41,910 | -$19,090 | -31.30% | |
| Geode Capital Management, Llc | 0.00% | 40,789 | $54,657 | $37,510 | -$17,147 | -31.37% | |
| October Effect Ltd | 0.05% | 40,000 | $53,600 | $36,784 | -$16,816 | -31.37% | |
| Focus Partners Wealth | 0.00% | 36,000 | $48,240 | $33,106 | -$15,134 | -31.37% | |
| Citadel Advisors Llc | 0.00% | 32,887 | $44,069 | $30,243 | -$13,826 | -31.37% | |
| Raymond James Financial Inc | 0.00% | 30,070 | $40,294 | $27,652 | -$12,642 | -31.37% | |
| Federation Des Caisses Desjardins Du Quebec | 0.00% | 29,781 | $39,907 | $27,387 | -$12,520 | -31.37% | |
| Mariner, Llc | 0.00% | 27,830 | $37,192 | $25,592 | -$11,600 | -31.19% | |
| Xtx Topco Ltd | 0.00% | 26,317 | $35,265 | $24,201 | -$11,064 | -31.37% | |
| Welch & Forbes Llc | 0.00% | 25,000 | $33,500 | $22,990 | -$10,510 | -31.37% | |
| Tower Research Capital Llc (Trc) | 0.00% | 24,185 | $32,408 | $22,241 | -$10,167 | -31.37% | |
| National Bank Of Canada | 0.00% | 23,500 | $31,490 | $21,611 | -$9,879 | -31.37% | |
| Exit Wealth Advisors, Llc. | 0.01% | 22,692 | $30,407 | $20,868 | -$9,539 | -31.37% | |
| State Street Corp | 0.00% | 22,564 | $30,236 | $20,750 | -$9,486 | -31.37% | |
| Stephenson & Company, Inc. | 0.01% | 20,000 | $26,800 | $18,392 | -$8,408 | -31.37% | |
| Taylor Financial Group, Inc. | 0.01% | 20,000 | $26,800 | $18,392 | -$8,408 | -31.37% | |
| Journey Strategic Wealth Llc | 0.00% | 20,000 | $23,800 | $18,392 | -$5,408 | -22.72% | |
| Two Sigma Securities, Llc | 0.00% | 16,745 | $22,438 | $15,399 | -$7,039 | -31.37% |
Frequently asked questions about MIST
Who owns the most MIST stock?
The largest holders of MIST 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 MILESTONE PHARMACEUTICALS IN (MIST).
Is MIST widely held by superinvestors?
Many widely followed stocks like MIST appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly MIST 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.