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.

Q4 2025 vs. Q3 2025

How the institutions holding LB Pharmaceuticals Inc changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of LBRX: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	53	2	68	+17
Shares	19.9M	48.5K	24.8M	+4.89M (+24.6%)
Value	$314.9M	$766.4K	$551.8M	+$237.6M (+75.6%)

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (33)

Institutions that held LB Pharmaceuticals Inc at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to LBRX in Q4 2025
Institution	Shares	Value	% of portfolio
Trails Edge Capital Partners, LP	1,395,608	$31.1M	7.68%
Vanguard Group Inc	1,112,978	$24.8M	0.00%
Spruce Street Capital LP	1,005,593	$22.4M	7.40%
State Street Corp	250,030	$5.57M	0.00%
Charles Schwab Investment Management Inc	177,616	$3.95M	0.00%
Northern Trust Corp	143,966	$3.20M	0.00%
HighVista Strategies LLC	140,107	$3.12M	0.80%
Longbow Finance SA	82,336	$1.83M	0.31%
Bank of New York Mellon Corp	40,517	$901.9K	0.00%
Nuveen, LLC	22,966	$511.2K	0.00%
Colony Group, LLC	20,095	$447.3K	0.00%
Norges Bank	20,000	$445.2K	0.00%
Rhumbline Advisers	16,283	$362.5K	0.00%
Deutsche Bank AG	13,298	$296.0K	0.00%
MetLife Investment Management	11,104	$247.2K	0.00%
Invesco Ltd.	10,955	$243.9K	0.00%
Mirae Asset Global ETFs Holdings Ltd.	8,966	$199.6K	0.00%
SG Americas Securities, LLC	6,434	$143.0K	0.00%
Police & Firemen's Retirement System of New Jersey	4,425	$98.5K	0.00%
Persistent Asset Partners Ltd	4,080	$90.8K	0.04%
BNP Paribas Arbitrage, SA	4,007	$89.2K	0.00%
STRS Ohio	3,400	$75.7K	0.00%
Legal & General Group Plc	1,878	$41.8K	0.00%
Ameritas Investment Partners, Inc.	1,562	$34.8K	0.00%
Russell Investments Group, Ltd.	1,525	$33.9K	0.00%
Tower Research Capital LLC (TRC)	1,361	$30.3K	0.00%
California State Teachers Retirement System	1,184	$26.4K	0.00%
Royal Bank of Canada	767	$17.0K	0.00%
Sterling Capital Management LLC	592	$13.2K	0.00%
Amalgamated Bank	605	$13.0K	0.00%
Citigroup Inc	435	$9.68K	0.00%
GAMMA Investing LLC	14	$312	0.00%
CWM, LLC	8	$0	0.00%

Sold out (16)

Institutions that held LB Pharmaceuticals Inc at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of LBRX in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Millennium Management LLC	538,169	$8.50M
Wellington Management Group LLP	344,657	$5.44M
Adage Capital Partners GP, L.L.C.	200,000	$3.16M
Silverarc Capital Management, LLC	70,000	$1.11M
HRT Financial LP	58,815	$928.0K
Monashee Investment Management LLC	40,000	$631.6K
TD Asset Management Inc	36,780	$580.8K
Hudson Bay Capital Management LP	27,097	$427.9K
Squarepoint Ops LLC	20,825	$328.8K
Oxford Asset Management LLP	17,763	$280.5K
Manufacturers Life Insurance Company, The	17,488	$276.1K
Aristeia Capital LLC	15,270	$241.1K
Quantessence Capital LLC	14,225	$224.6K
Brevan Howard Capital Management LP	13,259	$209.4K
Landscape Capital Management, L.L.C.	10,638	$168.0K
Quarry LP	11	$174

Not filed for Q4 2025 yet (2)

Institutions that held LB Pharmaceuticals Inc at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding LBRX in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Point72 (DIFC) Ltd	34,003	$536.9K
Point72 Asia (Singapore) Pte. Ltd.	14,535	$229.5K