LB PHARMACEUTICALS INC - Common Stock, par value $0.0001 per share (LBRX)

Q: What does CUSIP 50180M108 represent in this 13F holders report?

CUSIP 50180M108 is the security identifier for LBRX - LB PHARMACEUTICALS INC - Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

Q: How many institutions held LBRX - LB PHARMACEUTICALS INC - Common Stock, par value $0.0001 per share in Q3 2026?

3 institutional investors reported LBRX - LB PHARMACEUTICALS INC - Common Stock, par value $0.0001 per share for Q3 2026. Use the holders table for investor-level position and value details.

CUSIP: 50180M108

Q3 2026 13F Holders as of 30 Sep 2026

Security type / class: Equity / Common Stock, par value $0.0001 per share
Total 13F shares: 353
Total 13F value: $13,548
Share change: +103
SEC-reported price per share: $38.38
Number of holders: 3
Value change: +$3,953
Number of buys: 2
Shares outstanding: 28,946,200

Security key

50180M108

Report period

Q3 2026

Institutions

Top holders

LBRX full security history Ownership snapshot Full 13F holder table Previous quarter: Q2 2026 LB PHARMACEUTICALS INC SEC filings LB PHARMACEUTICALS INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 50180M108

Previous quarter: Q2 2026

Recent filing periods:

Q3 2026 Q2 2026 Q1 2026 Q4 2025 Q3 2025

Ownership snapshot

Top reported holders of LBRX - LB PHARMACEUTICALS INC - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

Deep Track Capital, LP

Disclosed value leader

Deep Track Capital, LP

Comparable rows

15/15

Latest evidence

30 Jun 2026

13F 13D/G 3/4/5 Lead comparable stake: 15% 13D/G row: Deep Track Capital, LP Showing 1-6 of 15 holder rows.

Quick read

Deep Track Capital, LP leads the comparable SEC ownership view at 15%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Deep Track Capital, LP's linked filing trail.

Comparable ownership Top 5

Deep Track Capital, LP 15%

RA CAPITAL MANAGEMENT, L.P. 8.7%

Commodore Capital LP 6.8%

BlackRock, Inc. 6.3%

Pontifax Management 4 G.P. (2015)... 6.3%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Deep Track Capital, LP	13F 13D/G 3/4/5 Company · 10%+ Owner 13F 13D/G 3/4/5	15% from 13D/G	$108,815,254 3,352,804 shares	—	30 Jun 2026
RA CAPITAL MANAGEMENT, L.P.	13F 13D/G Company 13F 13D/G	8.7% from 13D/G	$71,680,243 2,208,604 shares	—	30 Jun 2026
Commodore Capital LP	13F 13D/G Company 13F 13D/G	6.8% from 13D/G	$48,682,500 1,500,000 shares	—	30 Jun 2026
BlackRock, Inc.	13F 13D/G Company 13F 13D/G	6.3% from 13D/G	$88,741,868 2,734,305 shares	—	30 Jun 2026
Pontifax Management 4 G.P. (2015) Ltd.	3/4/5 13D/G 10%+ Owner 3/4/5 13D/G	6.3% from 13D/G	— 1,411,681 shares	—	12 Sep 2025
JPMORGAN CHASE & CO	13F 13D/G Company 13F 13D/G	5.2% from 13D/G	$48,871,644 1,497,293 shares	—	30 Jun 2026

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

353

Rows available

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2026 vs Q2 2026 Across Filers

Q2 2026 holders

114

Q3 2026 holders

Holder diff

-111

Investor	Q2 2026 Shares	Q3 2026 Shares	Share Diff	Share Chg %	Q2 2026 value	Q3 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend