RNTX

Rein Therapeutics, Inc.

TickerRNTX
Sector · IndustryHealthcareBiotechnology
13D/G
SecurityCommon Stock · US
CUSIP00887A204

22
Holders
(2 Elite)
$8.8M
Total Value
81% (21)
Consensus
17 buying4 selling
Fund holdings as of

RNTX institutional ownership changes in Q2 2026: 17 institutions opened or added positions, 4 trimmed or exited. RNTX (Rein Therapeutics, Inc.) is held by 22 institutional investors as of Q2 2026. Top institutional shareholders: Vanguard Capital Management LLC ($3.5M), Citadel Advisors LLC ($2.5M), Geode Capital Management, LLC ($762,540). Institutions were buying, on balance.

RNTX

Smart Money Verdict

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Held by 22 funds
2 elite

Who's Trading

Source dates: Price Nov 6, 2026 · Insiders May 28, 2026 · Activists Aug 14, 2026 · Congress none

ActivistADADAR1 Capital Management, LLC5.3%
ActivistLYLynwood Capital Management Inc.5.0%
ActivistLLLYTTON LAURENCE W4.9%
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Top Holders

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Action
Increased
3.4M(+238.3%)$3.5M0.0%-40.19%
43
New
2.4M$2.5M0.0%-35.77%
36
Increased
733,139(+112.7%)$762,5400.0%-60.99%
27
Increased
382,515(+147.6%)$397,8160.0%-41.66%
38
Increased
379,604(+400.1%)$394,7880.0%-40.62%
26
Increased
326,204(+376.0%)$339,2530.0%-51.49%
26
New
250,000$260,0000.0%-35.77%
32
Increased
159,720(+149.0%)$166,1090.0%-51.19%
25
New
79,785$82,9760.0%-35.77%
33
Increased
57,410(+5506.4%)$59,7060.0%-35.90%
23
Increased
50,461(+42.3%)$52,4790.0%-42.90%
28
Increased
45,760(+39.0%)$47,5900.0%-45.56%
27
Unchanged
42,440$44,1380.0%-55.98%
0
New
30,787$32,0180.0%-35.77%
30
New
30,528$23,3150.0%-35.77%
26
Decreased
19,000(-22.4%)$19,7600.0%-42.37%
0
New
14,318$14,8900.0%-35.77%
28
Unchanged
12,774$13,2850.0%-48.62%
0
New
11,742$12,2120.0%-35.77%
27
Unchanged
5,097$5,3010.0%-41.66%
0

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Latest insider trades
InsiderTradeTraded
VON RICKENBACH JOSEF HBuy $5K
VON RICKENBACH JOSEF HBuy $24K
VON RICKENBACH JOSEF HBuy $17K
VON RICKENBACH JOSEF HBuy $4K
WINDSOR JAMES BRIANBuy $25K
Voss Capital, LPBuy $128K
Voss Capital, LPBuy $248K
Voss Capital, LPBuy $127K
Voss Capital, LPBuy $7K
Voss Capital, LPBuy $42K
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Latest activist filings
FilerStakeFiled
ADAR1 Capital Management, LLC5.3%
Lynwood Capital Management Inc.5.0%
LYTTON LAURENCE W4.9%
Voss Capital, LP6.6%
BIOS CAPITAL MANAGEMENT, LP10.0%
Lynwood Capital Management Inc.6.1%
Funicular Funds, LP6.7%
LYTTON LAURENCE W5.8%
Voss Value Master Fund, LP3.5%
BIOS FUND III, LP0.7%
RNTXRNTXRein Therapeutics, Inc.

Other Healthcare stocks held by institutions

Questions investors ask about RNTX

Who owns RNTX?

22 institutional investors held RNTX on June 30, 2026, led by Vanguard Capital Management LLC ($3.5M), Citadel Advisors LLC ($2.5M) and Geode Capital Management, LLC ($762,540).

How many hedge funds hold RNTX?

22 institutional investors reported RNTX in their 13F filings for the quarter ended June 30, 2026, $8.8M in all. 2 of them are rated Elite.

Are institutions buying or selling RNTX?

Buying, on balance. In Q2 2026, 17 institutions opened or added to positions in RNTX and 4 institutions trimmed or exited.

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer

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