# LB PHARMACEUTICALS INC COM SHS

LB PHARMACEUTICALS INC COM SHS is a security (CUSIP 50180M108) tracked across SEC portfolio filings. 82 institutional managers reported $695.6M on Form 13F as of 2026-06-30; 11 registered fund positions totaling $23.9M via N-PORT as of 2026-05-31.

## Summary

- Issuer: LB PHARMACEUTICALS INC
- Class: COM SHS
- CUSIP: 50180M108
- Asset category: EC
- 13F holders: 82
- 13F value: $695.6M
- 13F period: 2026-06-30
- N-PORT fund positions: 11
- N-PORT value: $23.9M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 82 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| Deep Track Capital, LP | GREENWICH, CT | $82.7M | 3,352,804 |
| BlackRock, Inc. | New York, NY | $60.9M | 2,470,845 |
| RA CAPITAL MANAGEMENT, L.P. | Boston, MA | $54.5M | 2,208,604 |
| TCG Crossover Management, LLC | PALO ALTO, CA | $45.3M | 1,839,489 |
| [COMMODORE CAPITAL LP](https://search.stillhousedata.com/firm/304370) | NEW YORK, NY | $37.0M | 1,500,000 |
| [Caligan Partners LP](https://search.stillhousedata.com/firm/289887) | New York, NY | $34.6M | 1,438,070 |
| [Spruce Street Capital LP](https://search.stillhousedata.com/firm/333213) | NEW YORK, NY | $33.6M | 1,376,159 |
| JPMORGAN CHASE & CO | NEW YORK, NY | $33.2M | 1,427,568 |
| Trails Edge Capital Partners, LP | ATLANTA, GA | $32.5M | 1,319,362 |
| Nantahala Capital Management, LLC | New Canaan, CT | $26.0M | 1,052,894 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $24.8M | 1,112,978 |
| [Balyasny Asset Management L.P.](https://search.stillhousedata.com/firm/138111) | Chicago, IL | $22.8M | 923,694 |
| [Logos Global Management LP](https://search.stillhousedata.com/firm/305162) | San Francisco, CA | $22.6M | 915,000 |
| [Alyeska Investment Group, L.P.](https://search.stillhousedata.com/firm/155058) | CHICAGO, IL | $21.3M | 863,947 |
| [Vivo Capital, LLC](https://search.stillhousedata.com/firm/159868) | Palo Alto, CA | $19.7M | 800,000 |

## Top fund holders (N-PORT)

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $6.8M | 0.83% |
| [PGIM Jennison Health Sciences Fund](https://search.stillhousedata.com/fund/S000004380) | Prudential Sector Funds, Inc. | $6.5M | 46.56% |
| BlackRock Health Sciences Term Trust | BlackRock Health Sciences Term Trust | $5.1M | 50.67% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $2.8M | 1.58% |
| BlackRock Health Sciences Trust | BlackRock Health Sciences Trust | $1.2M | 22.37% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $803K | 1.67% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $273K | 0.05% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $251K | 0.08% |
| [TIFF MULTI-ASSET FUND](https://search.stillhousedata.com/fund/S000006387) | TIFF Investment Program | $155K | 1.12% |
| [Federated Hermes Managed Volatility Fund II](https://search.stillhousedata.com/fund/S000009746) | Federated Hermes Insurance Series | $74K | 4.33% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $66K | 1.58% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/50180M108.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.