How many institutions held RNTX - Rein Therapeutics, Inc. - Common Stock, $0.001 par value per share in Q1 2026?

45 institutional investors reported RNTX - Rein Therapeutics, Inc. - Common Stock, $0.001 par value per share for Q1 2026. Use the holders table for investor-level position and value details.

Rein Therapeutics, Inc. - Common Stock, $0.001 par value per share (RNTX)

Q: What does CUSIP 00887A204 represent in this 13F holders report?

CUSIP 00887A204 is the security identifier for RNTX - Rein Therapeutics, Inc. - Common Stock, $0.001 par value per share used to aggregate holder disclosures.

CUSIP: 00887A204

Q1 2026 13F Holders as of 31 Mar 2026

Security type / class: Equity / Common Stock, $0.001 par value per share
Total 13F shares: 11,396,524
Total 13F value: $14,839,714
Share change: +618,177
SEC-reported price per share: $1.30
Number of holders: 45
Value change: +$855,214
Number of buys: 22
Number of sells: 13
Shares outstanding: 84,905,660

Security key

00887A204

Report period

Q1 2026

Institutions

Top holders

RNTX full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2026 Previous quarter: Q4 2025 Rein Therapeutics, Inc. SEC filings Rein Therapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 00887A204

Newer quarter: Q2 2026 Previous quarter: Q4 2025

Recent filing periods:

Q2 2026 Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of RNTX - Rein Therapeutics, Inc. - Common Stock, $0.001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

UNIVERSITY OF TEXAS/TEXAS...

Disclosed value leader

UNIVERSITY OF TEXAS/TEXAS...

Comparable rows

15/15

Latest evidence

31 Dec 2025

3/4/5 13D/G 13F Lead comparable stake: 4.4% 13D/G row: UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO Showing 1-6 of 15 holder rows.

Quick read

UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO leads the comparable SEC ownership view at 4.4%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO's linked filing trail.

Comparable ownership Top 5

UNIVERSITY OF TEXAS/TEXAS AM INVE... 4.4%

Voss Capital, LP 1.7%

BIOS Capital Management, LP 2%

VANGUARD GROUP INC 1.4%

Prosight Management, LP 0.52%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO	3/4/5 13D/G 13F 10%+ Owner · Company 3/4/5 13D/G 13F	4.4% from 13D/G	$5,676,284 1,746,549 shares	—	14 Jun 2024
Voss Capital, LP	13F 3/4/5 Company · 10%+ Owner 13F 3/4/5	1.7% from 3/4/5	$4,923,004 4,243,969 shares	—	31 Dec 2025
BIOS Capital Management, LP	13F Company 13F	2%	$1,961,271 1,690,751 shares	—	31 Dec 2025
VANGUARD GROUP INC	13F Company 13F	1.4%	$1,352,336 1,165,807 shares	—	31 Dec 2025
Prosight Management, LP	13F Company 13F	0.52%	$513,416 442,600 shares	—	31 Dec 2025
Cable Car Capital, LP	13F Company 13F	0.49%	$487,200 420,000 shares	—	31 Dec 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q1 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

11,396,524

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q1 2026 vs Q4 2025 Across Filers

Q4 2025 holders

Q1 2026 holders

Holder diff

-1

Investor	Q4 2025 Shares	Q1 2026 Shares	Share Diff	Share Chg %	Q4 2025 value	Q1 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend