Rein Therapeutics, Inc. - RNTX

Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 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 4,243,969 4,923 0.24% 0.15% 1 +1,577,437 59.16% Q4 2025 Feb 13, 2026
BIOS Capital Management, LP History No change 1,690,751 1,961 2.37% 2.19% 2 0 0.0% Q4 2025 Feb 13, 2026
VANGUARD GROUP INC History Reduced 1,165,807 1,352 0.0% 0.0% 3 -2,600 -0.22% Q4 2025 Jan 29, 2026
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO History No change 511,610 593 0.08% 0.08% 4 0 0.0% Q4 2025 Feb 17, 2026
Prosight Management, LP History Reduced 442,600 513 0.11% 0.15% 5 -125,298 -22.06% Q4 2025 Feb 13, 2026
Cable Car Capital, LP History No change 420,000 487 0.02% 0.21% 6 0 0.0% Q4 2025 Feb 17, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 284,555 330 0.0% 0.0% 7 +37,244 15.06% Q4 2025 Feb 09, 2026
Texas Capital Bank Wealth Management Services Inc History Added to 262,125 304 0.02% 0.0% 8 +235,954 901.59% Q4 2025 Feb 09, 2026
Sigma Planning Corp History Reduced 247,277 298 0.01% 0.01% 9 -6,550 -2.58% Q4 2025 Jan 30, 2026
GAGNON SECURITIES LLC History Added to 240,220 278 0.06% 0.05% 10 +11,528 5.04% Q4 2025 Feb 13, 2026
Senvest Management, LLC History No change 230,895 267 0.01% 0.01% 11 0 0.0% Q4 2025 Feb 12, 2026
ABS Direct Equity Fund LLC History New 125,000 145 0.17% 12 +125,000 New Q4 2025 Jan 30, 2026
CITADEL ADVISORS LLC History Added to 120,083 139 0.0% 0.0% 13 +91,882 325.81% Q4 2025 Feb 17, 2026
Rock Creek Group, LP History New 100,000 116 0.01% 14 +100,000 New Q4 2025 Feb 10, 2026
STATE STREET CORP History Added to 75,904 88 0.0% 0.0% 15 +59,900 374.28% Q4 2025 Feb 13, 2026
JANE STREET GROUP, LLC History New 61,960 71 0.0% 16 +61,960 New Q4 2025 Feb 12, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Added to 58,995 68 0.0% 0.0% 17 +28,135 91.17% Q4 2025 Feb 17, 2026
BlackRock, Inc. History Added to 55,006 63 0.0% 0.0% 18 +2,132 4.03% Q4 2025 Feb 12, 2026
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO History No change 42,440 49 0.0% 0.0% 19 0 0.0% Q4 2025 Feb 10, 2026
TWO SIGMA INVESTMENTS, LP History New 41,709 48 0.0% 20 +41,709 New Q4 2025 Feb 17, 2026
NORTHERN TRUST CORP History Added to 40,469 46 0.0% 0.0% 21 +14,706 57.08% Q4 2025 Feb 17, 2026
Chicago Partners Investment Group LLC History No change 31,048 42 0.0% 0.0% 22 0 0.0% Q4 2025 Jan 28, 2026
HRT FINANCIAL LP History New 33,237 38 0.0% 23 +33,237 New Q4 2025 Feb 12, 2026
Meridian Wealth Advisors, LLC History No change 28,486 33 0.0% 0.0% 24 0 0.0% Q4 2025 Feb 17, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 22,700 26 0.0% 0.0% 25 +4,402 24.06% Q4 2025 Feb 12, 2026
Gleason Group, Inc. History No change 22,389 25 0.0% 0.0% 26 0 0.0% Q4 2025 Jan 15, 2026
Ancora Advisors LLC History New 20,000 23 0.0% 27 +20,000 New Q4 2025 Feb 17, 2026
Global Retirement Partners, LLC History Added to 19,316 22 0.0% 0.0% 28 +12,116 168.28% Q4 2025 Feb 06, 2026
Cane Capital Partners, LLC History New 18,000 20 0.01% 33 +18,000 New Q4 2025 Jan 21, 2026
TWO SIGMA SECURITIES, LLC History New 17,254 20 0.0% 30 +17,254 New Q4 2025 Feb 17, 2026
MERCER GLOBAL ADVISORS INC /ADV History Added to 17,961 20 0.0% 0.0% 29 +7,500 71.69% Q4 2025 Feb 18, 2026
KG&L Capital Management,LLC History No change 18,000 20 0.0% 0.01% 31 0 0.0% Q4 2025 Jan 23, 2026
Americana Partners, LLC History No change 17,302 20 0.0% 0.0% 32 0 0.0% Q4 2025 Feb 06, 2026
Annandale Capital, LLC History New 15,026 17 0.0% 34 +15,026 New Q4 2025 Feb 12, 2026
Virtu Financial LLC History New 13,663 16 0.0% 35 +13,663 New Q4 2025 Feb 23, 2026
Cetera Investment Advisers History No change 12,364 14 0.0% 0.0% 36 0 0.0% Q4 2025 Feb 17, 2026
HighTower Advisors, LLC History New 10,000 11 0.0% 37 +10,000 New Q4 2025 Feb 06, 2026
UBS Group AG History Added to 9,516 11 0.0% 38 +9,433 11365.06% Q4 2025 Jan 29, 2026
Rockefeller Capital Management L.P. History No change 5,097 5 0.0% 0.0% 39 0 0.0% Q4 2025 Mar 16, 2026
Tower Research Capital LLC (TRC) History Reduced 1,957 2 0.0% 0.0% 40 -3,072 -61.09% Q4 2025 Feb 17, 2026
New Millennium Group LLC History New 2,038 2 0.0% 41 +2,038 New Q4 2025 Feb 06, 2026
US BANCORP \DE\ History No change 1,250 1 0.0% 0.0% 42 0 0.0% Q4 2025 Jan 30, 2026
JFS WEALTH ADVISORS, LLC History No change 1,590 1 0.0% 0.0% 43 0 0.0% Q4 2025 Jan 14, 2026
EXENCIAL WEALTH ADVISORS, LLC History Closed out 0 0 0.0% -30,528 -100.0% Q3 2025 Oct 27, 2025
BLAIR WILLIAM & CO/IL History Closed out 0 0 0.0% -23,393 -100.0% Q3 2025 Nov 12, 2025
XTX Topco Ltd History Closed out 0 0 0.0% -14,984 -100.0% Q3 2025 Nov 14, 2025
Warberg Asset Management LLC History Closed out 0 0 0.0% -11,000 -100.0% Q3 2025 Nov 06, 2025
BANK OF AMERICA CORP /DE/ History Reduced 42 0 -58 -58.0% Q4 2025 Feb 17, 2026
OSAIC HOLDINGS, INC. History Added to 70 0 +35 100.0% Q4 2025 Feb 17, 2026
Motiv8 Investments LLC History New 25 0 +25 New Q4 2025 Feb 13, 2026
ACADIAN ASSET MANAGEMENT LLC History No change 17 0 0 0.0% Q4 2025 Feb 10, 2026
Blue Trust, Inc. History No change 20 0 0 0.0% Q4 2025 Jan 16, 2026