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Rein Therapeutics, Inc.

RNTX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001420565

No open-market purchases or sales by Rein Therapeutics, Inc. insiders were filed in the last 90 days; 59 institutions reported holding it in 13F filings for Q2 2026, worth $42.3M in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in Rein Therapeutics, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
59
+14 vs. Q1 2026
Shares held
40.7M
+29.4M (+258.2%) vs. Q1 2026
Total value
$42.3M
+$27.5M (+186.0%) vs. Q1 2026
New holders
21
19 more added
Sold out
7
3 more reduced

1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting RNTX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 59 institutions
Q1 2021: 52 institutionsQ2 2021: 47 institutionsQ3 2021: 43 institutionsQ4 2021: 43 institutionsQ1 2022: 42 institutionsQ2 2022: 37 institutionsQ3 2022: 33 institutionsQ4 2022: 19 institutionsQ1 2023: 19 institutionsQ2 2023: 17 institutionsQ3 2023: 16 institutionsQ4 2023: 20 institutionsQ1 2024: 23 institutionsQ2 2024: 29 institutionsQ3 2024: 32 institutionsQ4 2024: 31 institutionsQ1 2025: 39 institutionsQ2 2025: 36 institutionsQ3 2025: 40 institutionsQ4 2025: 48 institutionsQ1 2026: 46 institutionsQ2 2026: 59 institutions
Value heldQ2 2026: $42.3M
Q1 2021: $48.0MQ2 2021: $41.5MQ3 2021: $33.6MQ4 2021: $18.9MQ1 2022: $16.5MQ2 2022: $8.34MQ3 2022: $5.86MQ4 2022: $3.21MQ1 2023: $1.30MQ2 2023: $1.83MQ3 2023: $1.59MQ4 2023: $3.24MQ1 2024: $11.0MQ2 2024: $13.5MQ3 2024: $16.3MQ4 2024: $13.1MQ1 2025: $10.6MQ2 2025: $9.30MQ3 2025: $9.76MQ4 2025: $12.5MQ1 2026: $14.8MQ2 2026: $42.3M
Institutions holding RNTX and their total value by quarter
QuarterHoldersValue
Q2 202659$42.3M
Q1 202646$14.8M
Q4 202548$12.5M
Q3 202540$9.76M
Q2 202536$9.30M
Q1 202539$10.6M
Q4 202431$13.1M
Q3 202432$16.3M
Q2 202429$13.5M
Q1 202423$11.0M
Q4 202320$3.24M
Q3 202316$1.59M
Q2 202317$1.83M
Q1 202319$1.30M
Q4 202219$3.21M
Q3 202233$5.86M
Q2 202237$8.34M
Q1 202242$16.5M
Q4 202143$18.9M
Q3 202143$33.6M
Q2 202147$41.5M
Q1 202152$48.0M

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Rein Therapeutics, Inc.; share changes are against Q1 2026.

Institutions holding RNTX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Acadian Asset Management LLC17$00.00%00.0%Unchanged
Caitong International Asset Management Co., Ltd1$10.00%−2−66.7%Reduced
Ronald Blue Trust, Inc.20$210.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.97$1010.00%00.0%Unchanged
US Bancorp1,250$1.30K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC1,590$1.65K0.00%00.0%Unchanged
Barclays PLC2,570$2.67K0.00%+2,570New
Rockefeller Capital Management L.P.5,097$5.30K0.00%00.0%Unchanged
Cetera Investment Advisers11,742$12.2K0.00%+11,742New
Vanguard Global Advisers, LLC12,774$13.3K0.00%00.0%Unchanged
Morgan Stanley14,318$14.9K0.00%+14,318New
Annandale Capital, LLC15,026$16.0K0.00%00.0%Unchanged
Cane Capital Partners, LLC18,000$18.7K0.01%00.0%Unchanged
Renaissance Technologies LLC19,000$19.8K0.00%−5,500−22.4%Reduced
Global Retirement Partners, LLC19,316$20.1K0.00%+19,316New
Gleason Group, Inc.22,389$23.3K0.00%00.0%Unchanged
Savant Capital, LLC30,528$23.3K0.00%+30,528New
Meridian Wealth Advisors, LLC28,486$29.6K0.00%00.0%Unchanged
Ancora Advisors, LLC30,000$31.2K0.00%+10,000+50.0%Added
Qube Research & Technologies Ltd30,787$32.0K0.00%+30,787New
Chicago Partners Investment Group LLC41,048$32.8K0.00%00.0%Unchanged
Steel Peak Wealth Management LLC33,000$34.3K0.00%+20,000+153.8%Added
Prime Capital Investment Advisors, LLC36,111$37.6K0.00%+36,111New
Americana Partners, LLC41,840$43.5K0.00%+14,538+53.2%Added
Northwestern Mutual Wealth Management Co42,440$44.1K0.00%00.0%Unchanged
XTX Topco Ltd45,760$47.6K0.00%+12,836+39.0%Added
Mercer Global Advisors Inc50,461$52.5K0.00%+15,000+42.3%Added
UBS Group AG57,410$59.7K0.00%+56,386+5,506.4%Added
Goldman Sachs Group Inc79,785$83.0K0.00%+79,785New
Corsair Capital Management, L.P.80,000$83.2K0.01%+80,000New
Warberg Asset Management LLC99,000$101.0K0.03%+99,000New
Rock Creek Group, LP125,000$130.0K0.01%00.0%Unchanged
ABS Investment Management LLC125,000$130.0K0.11%+125,000New
Northern Trust Corp159,720$166.1K0.00%+95,584+149.0%Added
Palogic Value Management, L.P.180,000$187.2K0.07%00.0%Unchanged
Stonepine Capital Management, LLC218,038$226.8K0.17%+218,038New
Gagnon Securities LLC229,070$238.2K0.05%−10,450−4.4%Reduced
Sequoia Financial Advisors, LLC250,000$260.0K0.00%+250,000New
Texas Capital Bank Wealth Management Services Inc300,758$312.8K0.02%+27,133+9.9%Added
BlackRock, Inc.326,204$339.3K0.00%+257,676+376.0%Added
Sigma Planning Corp353,677$367.8K0.01%+5,000+1.4%Added
Empery Asset Management, LP370,834$385.7K0.45%+370,834New
State Street Corp379,604$394.8K0.00%+303,700+400.1%Added
Vanguard Fiduciary Trust Co382,515$397.8K0.00%+228,003+147.6%Added
University of Texas/Texas Am Investment Managment Co511,610$532.1K0.06%00.0%Unchanged
Geode Capital Management, LLC733,139$762.5K0.00%+388,449+112.7%Added
Boothbay Fund Management, LLC889,450$925.0K0.02%+889,450New
Bleichroeder LP1,000,000$1.04M0.19%+1,000,000New
Prosight Management, LP1,100,000$1.14M0.20%+688,400+167.2%Added
Senvest Management, LLC1,230,895$1.28M0.04%+1,000,000+433.1%Added
Velan Capital Investment Management LP1,700,000$1.77M1.08%+1,700,000New
Citadel Advisors LLC2,438,711$2.54M0.00%+2,438,711New
Great Point Partners LLC2,575,000$2.68M0.63%+2,575,000New
Ikarian Capital, LLC2,950,000$3.07M0.50%+2,950,000New
BIOS Capital Management, LP2,982,375$3.10M7.44%+1,000,000+50.4%Added
Vanguard Capital Management LLC3,377,910$3.51M0.00%+2,379,389+238.3%Added
ADAR1 Capital Management, LLC4,500,000$4.68M0.22%+4,500,000New
Cable Car Capital LLC5,195,000$5.40M0.12%+4,775,000+1,136.9%Added
Voss Capital, LLC5,261,921$5.47M0.27%+873,559+19.9%Added
ABS Direct Equity Fund LLC0$00.00%−125,000−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−31,713−100.0%Sold out
Sanders Morris Harris LLC0$00.00%−20,000−100.0%Sold out
HRT Financial LP0$00.00%−15,486−100.0%Sold out
HighTower Advisors, LLC0$00.00%−10,000−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−3,391−100.0%Sold out
Wells Fargo & Company0$00.00%−20−100.0%Sold out
Exencial Wealth Advisors, LLC––––Not filed