Rein TherapeuticsRNTX

13F holders, Q2 2026 (June 30)
59holders +13
19new positions
6sold out
2famous investors
$1.04avg. 13F price*

At the end of Q2 2026, 59 institutions reported holding Rein Therapeutics Inc. (RNTX) in their 13F filings, up 13 from Q1 2026. 19 opened new positions and 6 sold out. The largest holders were Voss Capital, LP ($5.5M), Cable Car Capital, LP ($5.4M) and ADAR1 Capital Management, LLC ($4.7M). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Rein Therapeutics Inc.
CUSIP
00887A204
Latest filing quarter
Q2 2026

History

Number of 13F holders

0204060 Q1 2024: 23Q1 2024Q2 2024: 28Q2 2024Q3 2024: 31Q3 2024Q4 2024: 31Q4 2024Q1 2025: 39Q1 2025Q2 2025: 36Q2 2025Q3 2025: 40Q3 2025Q4 2025: 48Q4 2025Q1 2026: 46Q1 2026Q2 2026: 59Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions19$18.0M
Exits6$105K

All 13F filers, Q1 2026 → Q2 2026: 29,427,527 shares bought and 96,562 shares sold, net +29,330,965 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 59 holders

Voss Capital, LP 0.27% Add +19.9% 5,261,921 $5.5M
Cable Car Capital, LP 0.12% Add +1136.9% 5,195,000 $5.4M
ADAR1 Capital Management, LLC 0.22% New 4,500,000 $4.7M
Vanguard Capital Management LLC 0.00% Add +238.3% 3,377,910 $3.5M
BIOS Capital Management, LP 7.44% Add +50.4% 2,982,375 $3.1M
Ikarian Capital, LLC 0.50% New 2,950,000 $3.1M
Great Point Partners LLC 0.63% New 2,575,000 $2.7M
Citadel Advisors 0.00% New 2,438,711 $2.5M
Velan Capital Investment Management LP 1.08% New 1,700,000 $1.8M
Senvest Management, LLC 0.04% Add +433.1% 1,230,895 $1.3M
Prosight Management, LP 0.20% Add +167.3% 1,100,000 $1.1M
Bleichroeder LP 0.19% New 1,000,000 $1.0M
Boothbay Fund Management, LLC 0.02% New 889,450 $925K
Geode Capital Management, LLC 0.00% Add +112.7% 733,139 $763K
University of Texas/Texas Am Investment Management Co. 0.06% No change 511,610 $532K
Vanguard Fiduciary Trust Co. 0.00% Add +147.6% 382,515 $398K
State Street Corp. 0.00% Add +400.1% 379,604 $395K
Empery Asset Management, LP 0.45% New 370,834 $386K
Sigma Planning Corp 0.01% Add +1.4% 353,677 $368K
BlackRock, Inc. 0.00% Add +376.0% 326,204 $339K
Texas Capital Bank Wealth Management Services Inc 0.02% Add +9.9% 300,758 $313K
Sequoia Financial Advisors, LLC 0.00% New 250,000 $260K
Gagnon Securities LLC 0.05% Reduce -4.4% 229,070 $238K
Stonepine Capital Management, LLC 0.17% New 218,038 $227K
Palogic Value Management, L.P. 0.07% No change 180,000 $187K
Northern Trust Corp. 0.00% Add +149.0% 159,720 $166K
ABS Investment Management LLC 0.08% — 125,000 $130K
Rock Creek Group LLC 0.01% No change 125,000 $130K
Warberg Asset Management LLC 0.17% New 99,000 $101K
Corsair Capital Management, L.P. 0.01% New 80,000 $83K
Goldman Sachs Group Inc. 0.00% New 79,785 $83K
UBS Group AG 0.00% Add +5506.4% 57,410 $60K
Mercer Global Advisors Inc. 0.00% Add +42.3% 50,461 $52K
XTX Topco Ltd 0.00% Add +39.0% 45,760 $48K
Northwestern Mutual Wealth Management Co. 0.00% No change 42,440 $44K
Americana Partners, LLC 0.00% Add +53.3% 41,840 $44K
Prime Capital Investment Advisors, LLC 0.00% New 36,111 $38K
SteelPeak Wealth, LLC 0.00% Add +153.8% 33,000 $34K
Chicago Partners Investment Group LLC 0.00% No change 41,048 $33K
Qube Research & Technologies Ltd 0.00% New 30,787 $32K
Ancora Advisors LLC 0.00% Add +50.0% 30,000 $31K
Meridian Wealth Advisors, LLC 0.00% No change 28,486 $30K
Savant Capital, LLC 0.00% New 30,528 $23K
Gleason Group, Inc. 0.00% No change 22,389 $23K
Global Retirement Partners, LLC 0.00% — 19,316 $20K
Renaissance Technologies 0.00% Reduce -22.4% 19,000 $20K
Cane Capital Partners, LLC 0.01% No change 18,000 $19K
Annandale Capital, LLC 0.00% No change 15,026 $16K
Morgan Stanley 0.00% New 14,318 $15K
Vanguard Global Advisers, LLC 0.00% No change 12,774 $13K
Cetera Investment Advisers 0.00% New 11,742 $12K
Rockefeller Capital Management L.P. 0.00% No change 5,097 $5K
Barclays PLC 0.00% New 2,570 $3K
JFS Wealth Advisors, LLC 0.00% No change 1,590 $2K
US Bancorp \de 0.00% No change 1,250 $1K
NFSG Corp 0.00% No change 97 $101
Blue Trust, Inc. 0.00% No change 20 $21
Caitong International Asset Management Co., Ltd 0.00% Reduce -66.7% 1 $1
Acadian Asset Management LLC 0.00% No change 17 $0

"% of holder's portfolio" is RNTX's weight in each manager's 13F, not the share of Rein Therapeutics Inc. the manager owns.