PROTEOSTASIS THERAPEUTICS IN (PTI)
Institutional ownership reported to the SEC as of Q3 2020, across 8 quarters.
40
Reporting holders
$12.7M
Reported value
2.3%
Held as options
-7
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| Ikarian Capital, LLC | $2.6M | 2,389,891 | 0.19% | new | NEW |
| VANGUARD GROUP INC | $2.0M | 1,781,171 | 0.00% | 8q | -2.5%-$51.1K |
| JENNISON ASSOCIATES LLC | $1.3M | 1,145,740 | 0.00% | new | NEW |
| BlackRock Inc. | $1.2M | 1,085,207 | 0.00% | 8q | HELD |
| MACQUARIE GROUP LTD | $825.0K | 750,000 | 0.00% | 8q | HELD |
| Bain Capital Public Equity Management II, LLC | $725.0K | 659,350 | 0.05% | 6q | -12.7%-$105.8K |
| HarbourVest Partners LLC | $485.0K | 440,627 | 0.18% | 8q | HELD |
| MILLENNIUM MANAGEMENT LLC | $445.0K | 404,398 | 0.00% | 3q | +663.5%+$386.7K |
| GEODE CAPITAL MANAGEMENT, LLC | $363.0K | 330,586 | 0.00% | 8q | HELD |
| ACADIAN ASSET MANAGEMENT LLC | $332.0K | 301,633 | 0.00% | 7q | -14.6%-$56.6K |
| Qube Research & Technologies Ltd | $319.0K | 290,207 | 0.00% | 2q | +411.6%+$256.6K |
| BRIDGEWAY CAPITAL MANAGEMENT INC | $297.0K | 270,000 | 0.01% | 5q | -15.6%-$55.0K |
| BOOTHBAY FUND MANAGEMENT, LLC | $288.0K | 262,108 | 0.02% | new | NEW |
| RENAISSANCE TECHNOLOGIES LLC | $259.0K | 235,263 | 0.00% | 2q | +24.2%+$50.5K |
| RBF Capital, LLC | $183.0K | 166,078 | 0.02% | 4q | HELD |
| TWO SIGMA ADVISERS, LP | $179.0K | 162,500 | 0.00% | 8q | -12.9%-$26.5K |
| GROUP ONE TRADING, L.P. | $133.0K | options only | 0.00% | 8q | OPTIONS |
| GSA CAPITAL PARTNERS LLP | $131.0K | 119,284 | 0.02% | 3q | +138.2%+$76.0K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $131.0K | 60,261 | 0.00% | 8q | -58.5%-$184.9K |
| NORTHERN TRUST CORP | $89.0K | 80,607 | 0.00% | 8q | +6.8%+$5.7K |
| CITADEL ADVISORS LLC | $88.0K | 30,912 | 0.00% | 8q | -71.0%-$215.4K |
| WELLS FARGO & COMPANY/MN | $69.0K | 62,982 | 0.00% | 2q | -4.1%-$3.0K |
| SIMPLEX TRADING, LLC | $47.0K | 11,991 | 0.00% | 4q | -62.8%-$79.4K |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | $45.0K | 41,200 | 0.00% | 8q | HELD |
| Tower Research Capital LLC (TRC) | $37.0K | 33,391 | 0.00% | 2q | +201.0%+$24.7K |
| ROYAL BANK OF CANADA | $34.0K | 30,700 | 0.00% | 8q | -46.3%-$29.4K |
| 9258 Wealth Management, LLC | $23.0K | 23,365 | 0.01% | 4q | HELD |
| COMMONWEALTH EQUITY SERVICES, LLC | $21.0K | 19,847 | 0.00% | 2q | +1.0% |
| DIMENSIONAL FUND ADVISORS LP | $20.0K | 18,000 | 0.00% | 4q | HELD |
| BLAIR WILLIAM & CO/IL | $18.0K | 16,555 | 0.00% | 3q | -44.9%-$14.7K |
| LPL Financial LLC | $15.0K | 13,650 | 0.00% | new | NEW |
| STATE STREET CORP | $12.0K | 11,200 | 0.00% | 8q | HELD |
| Lehman & Derafelo Financial Resources LLC | $12.0K | 10,800 | 0.00% | 3q | -1.8% |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | $7.0K | 6,500 | 0.00% | 2q | +30.0%+$1.6K |
| UBS Group AG | $6.0K | 5,874 | 0.00% | 4q | -60.7%-$9.3K |
| BANK OF AMERICA CORP /DE/ | $5.0K | 4,794 | 0.00% | new | NEW |
| FLAGSHIP HARBOR ADVISORS, LLC | $5.0K | 5,000 | 0.00% | 2q | HELD |
| MORGAN STANLEY | $4.0K | 4,000 | 0.00% | 4q | HELD |
| Cutler Group LP | $4.0K | 3,900 | 0.00% | 8q | HELD |
| American Portfolios Advisors | $165 | 150 | 0.00% | 11q | HELD |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q3 2020 | 40 | $12.7M | 11,289,722 | 5 | 8 | 13 | 2.3% |
| Q2 2020 | 47 | $12.5M | 8,679,431 | 9 | 10 | 14 | 4.5% |
| Q1 2020 | 42 | $13.4M | 11,024,162 | 7 | 11 | 9 | 5.9% |
| Q4 2019 | 50 | $30.3M | 11,739,490 | 19 | 15 | 8 | 11.8% |
| Q3 2019 | 47 | $18.0M | 21,210,073 | 4 | 5 | 22 | 0.6% |
| Q2 2019 | 58 | $25.5M | 25,127,456 | 7 | 13 | 25 | 3.9% |
| Q1 2019 | 85 | $43.1M | 30,730,300 | 25 | 23 | 22 | 10.1% |
| Q4 2018 | 91 | $134.7M | 40,416,766 | 6 | 2 | 0 | 3.0% |