Rein Therapeutics, Inc. - Common Stock, $0.001 par value (RNTX) Institutional Ownership

13F Institutional Holders and Ownership History from Q4 2022 to Q4 2025

Type / Class
Equity / Common Stock, $0.001 par value
Symbol
RNTX on Nasdaq
Shares outstanding
23,597,628
Price per share
$1.16
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
8,489,234
Total reported value
$9,760,613
% of total 13F portfolios
0%
Share change
+1,832,025
Value change
+$2,095,461
Number of holders
39
Price from insider filings
$1.16
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Rein Therapeutics, Inc. - Common Stock, $0.001 par value (RNTX) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BIOS Fund III, LP 6.2% $5,156,801 3,683,429 BIOS EQUITY PARTNERS III, LP 05 May 2025
Voss Capital, LP 11% +95% $3,733,145 +$1,944,146 2,666,532 +109% Voss Capital, LP 24 Sep 2025
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO 4.4% $1,758,017 960,665 UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO 04 Nov 2024

As of 30 Sep 2025, 39 institutional investors reported holding 8,489,234 shares of Rein Therapeutics, Inc. - Common Stock, $0.001 par value (RNTX). This represents 36% of the company’s total 23,597,628 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Rein Therapeutics, Inc. - Common Stock, $0.001 par value (RNTX) together control 36% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Voss Capital, LP 11% 2,666,532 +86% 0.18% $3,053,179
BIOS Capital Management, LP 7.2% 1,690,751 0% 2.2% $1,944,364
VANGUARD GROUP INC 5% 1,168,407 +32% 0% $1,337,826
Prosight Management, LP 2.4% 567,898 +33% 0.16% $650,243
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO 2.2% 511,610 0% 0.08% $585,793
Cable Car Capital, LP 1.8% 420,000 0% 0.21% $480,900
Sigma Planning Corp 1.1% 253,827 -8.3% 0.01% $290,632
GEODE CAPITAL MANAGEMENT, LLC 1% 247,311 +0.76% 0% $283,249
Senvest Management, LLC 0.98% 230,895 0% 0.01% $264,375
GAGNON SECURITIES LLC 0.97% 228,692 +219% 0.05% $261,852
BlackRock, Inc. 0.22% 52,874 +2.8% 0% $60,540
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.18% 42,440 -13% 0% $48,594
Chicago Partners Investment Group LLC 0.13% 31,048 -25% 0% $40,983
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.13% 30,860 0% $35,335
EXENCIAL WEALTH ADVISORS, LLC 0.13% 30,528 0% 0% $34,955
Meridian Wealth Advisors, LLC 0.12% 28,486 0% 0% $32,616
CITADEL ADVISORS LLC 0.12% 28,201 -41% 0% $32,290
Texas Capital Bank Wealth Management Services Inc 0.11% 26,171 0% 0% $29,966
NORTHERN TRUST CORP 0.11% 25,763 0% 0% $29,499
BLAIR WILLIAM & CO/IL 0.1% 23,393 -0.97% 0% $26,785
Gleason Group, Inc. 0.09% 22,389 0% 0% $25,635
KCK LTD. 0.09% 22,341 0% 0.34% $52,055
RENAISSANCE TECHNOLOGIES LLC 0.08% 18,298 0% $20,951
KG&L Capital Management,LLC 0.08% 18,000 0% 0.01% $20,610
Americana Partners, LLC 0.07% 17,302 0% 0% $19,811

Institutional Holders of Rein Therapeutics, Inc. - Common Stock, $0.001 par value (RNTX) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 41,999 $48,719 $1.16 4
2025 Q3 8,489,234 $9,760,613 +$2,095,461 $1.14 39
2025 Q2 6,657,209 $9,543,969 +$863,809 $1.40 35
2025 Q1 6,017,421 $10,645,603 +$584,856 $1.77 37
2024 Q4 5,679,222 $13,062,350 -$2,786,804 $2.30 30
2024 Q3 4,605,051 $16,285,431 -$1,010,220 $3.54 29
2024 Q2 4,894,669 $13,494,162 +$5,623,418 $2.77 27
2024 Q1 1,688,450 $10,954,455 +$3,910,201 $6.63 22
2023 Q4 1,063,685 $3,241,840 +$183,775 $3.05 19
2023 Q3 1,045,511 $1,588,393 +$34,111 $1.52 15
2023 Q2 1,022,688 $1,829,841 -$43,089 $1.79 16
2023 Q1 1,050,566 $1,302,967 -$651,889 $1.24 17
2022 Q4 1,356,571 $3,214,622 +$3,214,622 $2.37 16