LB Pharmaceuticals Inc

LBRX

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001691082

SEC filings (opens in a new tab)

No open-market purchases or sales by LB Pharmaceuticals Inc insiders were filed in the last 90 days; 114 institutions reported holding it in 13F filings for Q2 2026, worth $965.9M in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding LB Pharmaceuticals Inc changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of LBRX: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	77	2	114	+39
Shares	28.2M	65.5K	29.8M	+1.61M (+5.7%)
Value	$692.4M	$1.61M	$965.9M	+$275.1M (+39.8%)

2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (42)

Institutions that held LB Pharmaceuticals Inc at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to LBRX in Q2 2026
Institution	Shares	Value	% of portfolio
Boothbay Fund Management, LLC	275,675	$8.95M	0.17%
Raymond James Financial Inc	91,656	$2.97M	0.00%
Longbow Finance SA	82,336	$2.67M	0.34%
NEXTBio Capital Management LP	68,249	$2.22M	1.02%
Alerus Financial NA	54,891	$1.78M	0.08%
XTX Topco Ltd	47,006	$1.53M	0.02%
Y-Intercept (Hong Kong) Ltd	39,413	$1.28M	0.03%
Great Lakes Advisors, LLC	30,410	$987.0K	0.01%
Swiss National Bank	30,200	$980.1K	0.00%
Alps Advisors Inc	29,102	$944.5K	0.00%
American Century Companies Inc	22,925	$744.0K	0.00%
Alliancebernstein L.P.	27,600	$680.6K	0.00%
HRT Financial LP	17,325	$562.0K	0.00%
Hollencrest Capital Management	13,722	$445.3K	0.03%
D. E. Shaw & Co., Inc.	13,518	$438.7K	0.00%
Knott David M Jr	12,965	$420.8K	0.22%
SEI Investments Co	12,611	$409.2K	0.00%
Virtu Financial LLC	12,260	$398.0K	0.01%
Virtus Investment Advisers, Inc.	11,513	$373.7K	0.09%
Vanguard Asset Management, Ltd	10,540	$342.1K	0.00%
Jupiter Topco LLC	9,300	$301.8K	0.00%
Jump Financial, LLC	7,018	$227.8K	0.00%
Verdad Advisers, LP	6,867	$222.9K	0.21%
Manufacturers Life Insurance Company, The	6,252	$202.9K	0.00%
Aquatic Capital Management LLC	5,956	$193.3K	0.01%
Vanguard Investments Australia, Ltd.	5,105	$165.7K	0.00%
Persistent Asset Partners Ltd	4,926	$159.9K	0.05%
KLP Kapitalforvaltning AS	3,400	$110.3K	0.00%
Los Angeles Capital Management LLC	2,630	$85.4K	0.00%
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.	1,400	$45.4K	0.00%
Pinnacle Wealth Planning Services, Inc.	1,314	$42.6K	0.00%
Royal Bank of Canada	698	$23.0K	0.00%
Nisa Investment Advisors, LLC	660	$21.4K	0.00%
Fifth Third Bancorp	390	$12.7K	0.00%
State of Wyoming	198	$6.43K	0.00%
Global Retirement Partners, LLC	189	$6.13K	0.00%
Aster Capital Management (DIFC) Ltd	65	$2.11K	0.00%
WPG Advisers, LLC	18	$584	0.00%
Rossby Financial, LCC	14	$454	0.00%
SRS Capital Advisors, Inc.	11	$357	0.00%
Quarry LP	10	$325	0.00%
Caitong International Asset Management Co., Ltd	5	$162	0.00%

Sold out (3)

Institutions that held LB Pharmaceuticals Inc at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of LBRX in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Opaleye Management Inc.	14,506	$357.7K
Soleus Capital Management, L.P.	10,000	$246.6K
STRS Ohio	5,100	$125.8K

Not filed for Q2 2026 yet (2)

Institutions that held LB Pharmaceuticals Inc at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding LBRX in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Janus Henderson Group PLC	65,429	$1.61M
CWM, LLC	29	$715