Rein Therapeutics, Inc. - RNTX

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Voss Capital, LP History Added to 4,388,362 5,704 0.3% 0.24% 1 +144,393 3.4% Q1 2026 May 15, 2026
BIOS Capital Management, LP History Added to 1,982,375 2,577 4.87% 2.37% 2 +291,624 17.25% Q1 2026 May 13, 2026
VANGUARD GROUP INC History No change 1,165,807 1,352 0.0% 0.0% 3 0 0.0% Q4 2025 Jan 29, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 998,521 1,298 0.0% 4 +998,521 New Q1 2026 May 15, 2026
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO History No change 511,610 665 0.1% 0.08% 5 0 0.0% Q1 2026 May 07, 2026
Cable Car Capital, LP History No change 420,000 546 0.19% 0.02% 6 0 0.0% Q1 2026 May 15, 2026
Prosight Management, LP History Reduced 411,600 535 0.09% 0.11% 7 -31,000 -7.0% Q1 2026 May 15, 2026
Sigma Planning Corp History Added to 348,677 453 0.01% 0.01% 8 +101,400 41.01% Q1 2026 May 04, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 344,690 448 0.0% 0.0% 9 +60,135 21.13% Q1 2026 May 15, 2026
Texas Capital Bank Wealth Management Services Inc History Added to 273,625 355 0.02% 0.02% 10 +11,500 4.39% Q1 2026 May 11, 2026
GAGNON SECURITIES LLC History Reduced 239,520 311 0.07% 0.06% 11 -700 -0.29% Q1 2026 Apr 21, 2026
Senvest Management, LLC History No change 230,895 300 0.01% 0.01% 12 0 0.0% Q1 2026 May 14, 2026
Palogic Value Management, L.P. History New 180,000 234 0.1% 13 +180,000 New Q1 2026 May 15, 2026
VANGUARD FIDUCIARY TRUST CO History New 154,512 200 0.0% 14 +154,512 New Q1 2026 May 08, 2026
Rock Creek Group LLC History Added to 125,000 162 0.02% 0.01% 15 +25,000 25.0% Q1 2026 May 11, 2026
ABS Direct Equity Fund LLC History No change 125,000 162 0.12% 0.17% 16 0 0.0% Q1 2026 May 15, 2026
STATE STREET CORP History No change 75,904 98 0.0% 0.0% 17 0 0.0% Q1 2026 May 15, 2026
BlackRock, Inc. History Added to 68,528 89 0.0% 0.0% 18 +13,522 24.58% Q1 2026 May 13, 2026
NORTHERN TRUST CORP History Added to 64,136 83 0.0% 0.0% 19 +23,667 58.48% Q1 2026 May 14, 2026
Chicago Partners Investment Group LLC History Added to 41,048 77 0.0% 0.0% 20 +10,000 32.21% Q1 2026 May 04, 2026
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO History No change 42,440 55 0.0% 0.0% 21 0 0.0% Q1 2026 May 07, 2026
MERCER GLOBAL ADVISORS INC /ADV History Added to 35,461 46 0.0% 0.0% 22 +17,500 97.43% Q1 2026 May 15, 2026
XTX Topco Ltd History New 32,924 42 0.0% 23 +32,924 New Q1 2026 May 15, 2026
TWO SIGMA SECURITIES, LLC History Added to 31,713 41 0.0% 0.0% 24 +14,459 83.8% Q1 2026 May 15, 2026
EXENCIAL WEALTH ADVISORS, LLC History New 30,528 39 0.0% 25 +30,528 New Q1 2026 Apr 27, 2026
Meridian Wealth Advisors, LLC History No change 28,486 37 0.0% 0.0% 26 0 0.0% Q1 2026 May 11, 2026
Americana Partners, LLC History Added to 27,302 35 0.0% 0.0% 27 +10,000 57.8% Q1 2026 May 12, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 24,500 31 0.0% 0.0% 28 +1,800 7.93% Q1 2026 May 14, 2026
Gleason Group, Inc. History No change 22,389 29 0.0% 0.0% 29 0 0.0% Q1 2026 May 04, 2026
SANDERS MORRIS HARRIS LLC History New 20,000 26 0.0% 31 +20,000 New Q1 2026 Apr 09, 2026
Ancora Advisors LLC History No change 20,000 26 0.0% 0.0% 30 0 0.0% Q1 2026 May 15, 2026
Cane Capital Partners, LLC History No change 18,000 23 0.01% 0.01% 32 0 0.0% Q1 2026 Apr 24, 2026
Global Retirement Partners, LLC History No change 19,316 22 0.0% 0.0% 33 0 0.0% Q4 2025 Feb 06, 2026
HRT FINANCIAL LP History Reduced 15,486 20 0.0% 0.0% 34 -17,751 -53.41% Q1 2026 May 14, 2026
Annandale Capital, LLC History No change 15,026 20 0.0% 0.0% 35 0 0.0% Q1 2026 May 15, 2026
SteelPeak Wealth, LLC History New 13,000 16 0.0% 36 +13,000 New Q1 2026 May 05, 2026
Vanguard Global Advisers, LLC History New 12,774 16 0.0% 37 +12,774 New Q1 2026 May 08, 2026
HighTower Advisors, LLC History No change 10,000 13 0.0% 0.0% 38 0 0.0% Q1 2026 May 05, 2026
Rockefeller Capital Management L.P. History No change 5,097 6 0.0% 0.0% 39 0 0.0% Q1 2026 May 14, 2026
Tower Research Capital LLC (TRC) History Added to 3,391 4 0.0% 0.0% 40 +1,434 73.28% Q1 2026 May 15, 2026
JFS WEALTH ADVISORS, LLC History No change 1,590 2 0.0% 0.0% 41 0 0.0% Q1 2026 Apr 20, 2026
New Millennium Group LLC History No change 2,038 2 0.0% 0.0% 42 0 0.0% Q4 2025 Feb 06, 2026
UBS Group AG History Reduced 1,024 1 0.0% 0.0% 44 -8,492 -89.24% Q1 2026 May 05, 2026
US BANCORP \DE\ History No change 1,250 1 0.0% 0.0% 43 0 0.0% Q1 2026 May 14, 2026
CITADEL ADVISORS LLC History Closed out 0 0 0.0% -120,083 -100.0% Q1 2026 May 15, 2026
JANE STREET GROUP, LLC History Closed out 0 0 0.0% -61,960 -100.0% Q1 2026 May 12, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Closed out 0 0 0.0% -58,995 -100.0% Q1 2026 May 15, 2026
TWO SIGMA INVESTMENTS, LP History Closed out 0 0 0.0% -41,709 -100.0% Q1 2026 May 15, 2026
KG Capital Management History Closed out 0 0 0.0% -18,000 -100.0% Q1 2026 Apr 22, 2026
Virtu Financial LLC History Closed out 0 0 0.0% -13,663 -100.0% Q1 2026 May 14, 2026
Cetera Investment Advisers History Closed out 0 0 0.0% -12,364 -100.0% Q1 2026 May 13, 2026
NFSG Corp History New 97 0 +97 New Q1 2026 May 05, 2026
OSAIC HOLDINGS, INC. History Closed out 0 0 -70 -100.0% Q1 2026 May 15, 2026
BANK OF AMERICA CORP /DE/ History Closed out 0 0 -42 -100.0% Q1 2026 May 15, 2026
WELLS FARGO & COMPANY/MN History New 20 0 +20 New Q1 2026 Jul 08, 2026
Caitong International Asset Management Co., Ltd History New 3 0 +3 New Q1 2026 May 11, 2026
ACADIAN ASSET MANAGEMENT LLC History No change 17 0 0 0.0% Q1 2026 May 13, 2026
Blue Trust, Inc. History No change 20 0 0 0.0% Q1 2026 Apr 20, 2026
Motiv8 Investments LLC History No change 25 0 0 0.0% Q4 2025 Feb 13, 2026