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 $38.11M 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 $7.53M 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 $6.58M, representing an estimated loss of -12.61% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 78% of the total disclosed MIST value among the investors covered in this analysis. Major shareholders include Rtw Investments, Lp, Propel Bio Management, Llc, Simplify Asset Management Inc., 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
83
Total Reported Value
$38.11M
Largest Holder
Rtw Investments, Lp
Largest Position
$7.53M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
98
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Rtw Investments, Lp | 0.07% | 6,331,001 | $7,533,891 | $6,584,241 | -$949,650 | -12.61% | |
| Propel Bio Management, Llc | 3.20% | 4,118,321 | $5,081,571 | $4,283,054 | -$798,517 | -15.71% | |
| Simplify Asset Management Inc. | 0.06% | 3,349,379 | $4,488,168 | $3,483,354 | -$1,004,814 | -22.39% | |
| Two Sigma Investments, Lp | 0.00% | 2,317,176 | $2,757,439 | $2,409,863 | -$347,576 | -12.61% | |
| Goldman Sachs Group Inc | 0.00% | 2,000,025 | $2,380,030 | $2,080,026 | -$300,004 | -12.61% | |
| Marshall Wace, Llp | 0.00% | 1,944,530 | $2,313,991 | $2,022,311 | -$291,680 | -12.61% | |
| Millennium Management Llc | 0.00% | 1,544,325 | $1,837,747 | $1,606,098 | -$231,649 | -12.61% | |
| Point72 Asset Management, L.P. | 0.00% | 1,085,683 | $1,291,963 | $1,129,110 | -$162,853 | -12.61% | |
| Balyasny Asset Management L.P. | 0.00% | 851,325 | $1,013,077 | $885,378 | -$127,699 | -12.61% | |
| Lion Point Capital, Lp | 5.83% | 820,000 | $975,800 | $852,800 | -$123,000 | -12.61% | |
| Toronto Dominion Bank | 0.00% | 750,000 | $892,500 | $780,000 | -$112,500 | -12.61% | |
| Morgan Stanley | 0.00% | 724,141 | $861,727 | $753,107 | -$108,620 | -12.60% | |
| Boxer Capital Management, Llc | 0.10% | 666,666 | $793,333 | $693,333 | -$100,000 | -12.61% | |
| Susquehanna International Group, Llp | 0.00% | 519,046 | $617,665 | $539,808 | -$77,857 | -12.61% | |
| Ubs Group Ag | 0.00% | 494,908 | $588,940 | $514,704 | -$74,236 | -12.60% | |
| Squarepoint Ops Llc | 0.00% | 336,825 | $400,822 | $350,298 | -$50,524 | -12.61% | |
| Seven Fleet Capital Management Lp | 0.13% | 333,333 | $396,666 | $346,666 | -$50,000 | -12.60% | |
| Aptus Capital Advisors, Llc | 0.00% | 280,250 | $333,498 | $291,460 | -$42,038 | -12.61% | |
| Guardian Wealth Advisors, Llc / Nc | 0.02% | 280,250 | $333,498 | $291,460 | -$42,038 | -12.61% | |
| Citadel Advisors Llc | 0.00% | 196,696 | $234,068 | $204,564 | -$29,504 | -12.60% | |
| Lpl Financial Llc | 0.00% | 193,373 | $230,114 | $201,108 | -$29,006 | -12.61% | |
| Bnp Paribas Financial Markets | 0.00% | 176,504 | $210,040 | $183,564 | -$26,476 | -12.61% | |
| Boothbay Fund Management, Llc | 0.00% | 168,675 | $200,723 | $175,422 | -$25,301 | -12.60% | |
| Jane Street Group, Llc | 0.00% | 159,669 | $190,006 | $166,056 | -$23,950 | -12.60% | |
| Simplex Trading, Llc | 0.01% | 149,291 | $177,656 | $155,263 | -$22,393 | -12.60% | |
| Quadrature Capital Ltd | 0.00% | 149,105 | $177,435 | $155,069 | -$22,366 | -12.61% | |
| Valeo Financial Advisors, Llc | 0.00% | 130,699 | $175,137 | $135,927 | -$39,210 | -22.39% | |
| Group One Trading Llc | 0.01% | 129,764 | $154,419 | $134,955 | -$19,464 | -12.60% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 129,705 | $154,349 | $134,893 | -$19,456 | -12.61% |
| Xtx Topco Ltd | 0.00% | 120,602 | $143,516 | $125,426 | -$18,090 | -12.60% | |
| Adar1 Capital Management, Llc | 0.01% | 100,000 | $119,000 | $104,000 | -$15,000 | -12.61% | |
| Tru Independence Asset Management 2, Llc | 0.07% | 100,000 | $119,000 | $104,000 | -$15,000 | -12.61% | |
| Bay Rivers Group | 0.02% | 46,633 | $62,488 | $48,498 | -$13,990 | -22.39% | |
| October Effect Ltd | 0.05% | 40,000 | $53,600 | $41,600 | -$12,000 | -22.39% | |
| Invesco Ltd. | 0.00% | 41,356 | $49,214 | $43,010 | -$6,204 | -12.61% | |
| Geode Capital Management, Llc | 0.00% | 40,789 | $48,538 | $42,421 | -$6,117 | -12.60% | |
| Northern Trust Corp | 0.00% | 38,779 | $46,147 | $40,330 | -$5,817 | -12.61% | |
| Focus Partners Wealth | 0.00% | 36,000 | $42,840 | $37,440 | -$5,400 | -12.61% | |
| Mariner, Llc | 0.00% | 30,830 | $36,688 | $32,063 | -$4,625 | -12.61% | |
| Federation Des Caisses Desjardins Du Quebec | 0.00% | 29,781 | $35,439 | $30,972 | -$4,467 | -12.60% | |
| Raymond James Financial Inc | 0.00% | 26,600 | $31,654 | $27,664 | -$3,990 | -12.61% | |
| Safeguard Investment Advisory Group, Llc | 0.01% | 25,044 | $29,802 | $26,046 | -$3,756 | -12.60% | |
| Welch & Forbes Llc | 0.00% | 25,000 | $29,750 | $26,000 | -$3,750 | -12.61% | |
| National Bank Of Canada | 0.00% | 23,500 | $27,965 | $24,440 | -$3,525 | -12.61% | |
| Taylor Financial Group, Inc. | 0.01% | 20,000 | $26,800 | $20,800 | -$6,000 | -22.39% | |
| State Street Corp | 0.00% | 22,331 | $26,574 | $23,224 | -$3,350 | -12.61% | |
| Journey Strategic Wealth Llc | 0.00% | 20,000 | $23,800 | $20,800 | -$3,000 | -12.61% | |
| Stephenson & Company, Inc. | 0.01% | 20,000 | $23,800 | $20,800 | -$3,000 | -12.61% | |
| Pathstone Holdings, Llc | 0.00% | 17,040 | $20,278 | $17,722 | -$2,556 | -12.61% | |
| Vision Retirement, Llc | 0.00% | 15,000 | $20,100 | $15,600 | -$4,500 | -22.39% |
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.