LBRX — LB PHARMACEUTICALS INC
Reported value held$281.10M
Funds holding (latest)29
SectorHealth Care
Funds holding (Q2 2026)25
Institutional value$253.86M · 7.83M sh
New / Add / Cut / Exit3 / 18 / 3 / 1
Top-5 / Top-10 concentration81.2% / 94.6%
Institutional holdings change
Accumulating +34.4%
(+2.00M sh)
Institutional value change
Up +77.1%
As of Q2 2026, 25 SEC-registered investment managers reported holding LBRX (LB PHARMACEUTICALS INC) in their latest 13F filings, with a combined reported value of $253.86M across 7.83M shares. That is +34.4% by share count (+2.00M shares) versus the previous quarter, while reported value moved +77.1%. Ownership is concentrated: the five largest holders account for 81.2% of reported value and the top ten for 94.6%.
Compared with the prior quarter, 3 opened new positions, 18 added to existing stakes, 3 trimmed, 1 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
LBRX is classified in the Health Care sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
Q2 2026 — 25 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| BlackRock Inc history | 2.73M | $88.74M | 0.00% | Add |
| JPMorgan Chase & Co history | 1.50M | $48.87M | 0.01% | New |
| Balyasny Asset Management history | 921.47K | $29.91M | 0.04% | Hold |
| Geode Capital Management history | 612.79K | $19.89M | 0.00% | Add |
| Goldman Sachs Group history | 576.46K | $18.71M | 0.01% | Add |
| Millennium Management history | 259.22K | $8.41M | 0.00% | Add |
| Citadel Advisors history | 215.97K | $7.01M | 0.01% | Reduce |
| Charles Schwab Investment Management history | 195.49K | $6.34M | 0.00% | Add |
| Fidelity Management & Research (FMR) history | 188.91K | $6.13M | 0.00% | Reduce |
| Northern Trust Corp history | 186.04K | $6.04M | 0.00% | Add |
| UBS Group AG history | 85.95K | $2.79M | 0.00% | Reduce |
| Wellington Management Group history | 58.89K | $1.91M | 0.00% | Add |
| BNY Mellon history | 54.98K | $1.78M | 0.00% | Add |
| Morgan Stanley history | 51.21K | $1.66M | 0.00% | Add |
| Two Sigma Investments history | 48.65K | $1.58M | 0.00% | Add |
| Bank of America Corp history | 26.54K | $861.36K | 0.00% | Add |
| Deutsche Bank AG history | 21.97K | $713.21K | 0.00% | Add |
| Wells Fargo & Co history | 19.54K | $634.07K | 0.00% | Add |
| Citigroup Inc history | 15.72K | $510.16K | 0.00% | Add |
| D. E. Shaw & Co history | 13.52K | $438.73K | 0.00% | New |
| Invesco Ltd history | 12.00K | $389.49K | 0.00% | Add |
| Legal & General Investment Management America history | 9.84K | $319.29K | 0.00% | Add |
| Manulife Financial history | 6.25K | $202.91K | 0.00% | New |
| PNC Financial Services history | 276 | $8.96K | 0.00% | Add |
| T. Rowe Price Associates history | 18.62K | $605 | 0.00% | Add |
Q1 2026 — 23 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| BlackRock Inc history | 2.47M | $60.93M | 0.00% | Add |
| Balyasny Asset Management history | 923.69K | $22.78M | 0.03% | Add |
| Geode Capital Management history | 518.23K | $12.78M | 0.00% | Add |
| Citadel Advisors history | 416.91K | $10.28M | 0.00% | Add |
| Goldman Sachs Group history | 363.80K | $8.97M | 0.00% | Add |
| Fidelity Management & Research (FMR) history | 222.51K | $5.49M | 0.00% | Hold |
| Charles Schwab Investment Management history | 186.09K | $4.59M | 0.00% | Add |
| Northern Trust Corp history | 154.40K | $3.81M | 0.00% | Add |
| UBS Group AG history | 137.93K | $3.40M | 0.00% | Add |
| Millennium Management history | 136.97K | $3.38M | 0.00% | New |
| Janus Henderson Group history | 65.43K | $1.61M | 0.00% | New |
| Wellington Management Group history | 52.64K | $1.30M | 0.00% | New |
| Morgan Stanley history | 47.28K | $1.17M | 0.00% | Add |
| BNY Mellon history | 45.46K | $1.12M | 0.00% | Add |
| Bank of America Corp history | 16.62K | $409.80K | 0.00% | Reduce |
| Deutsche Bank AG history | 15.36K | $378.75K | 0.00% | Add |
| Two Sigma Investments history | 12.72K | $313.68K | 0.00% | Hold |
| Invesco Ltd history | 10.73K | $264.58K | 0.00% | Reduce |
| Wells Fargo & Co history | 8.62K | $212.64K | 0.00% | Reduce |
| Citigroup Inc history | 5.57K | $137.33K | 0.00% | Add |
| Legal & General Investment Management America history | 1.72K | $42.49K | 0.00% | Reduce |
| PNC Financial Services history | 145 | $3.58K | 0.00% | New |
| T. Rowe Price Associates history | 13.23K | $327 | 0.00% | Add |
Q4 2025 — 23 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| BlackRock Inc history | 2.24M | $49.84M | 0.00% | Add |
| JPMorgan Chase & Co history | 1.61M | $35.87M | 0.01% | Add |
| Vanguard Group history | 1.11M | $24.77M | 0.00% | New |
| Balyasny Asset Management history | 896.81K | $19.96M | 0.03% | Reduce |
| Geode Capital Management history | 441.45K | $9.83M | 0.00% | Add |
| Citadel Advisors history | 407.67K | $9.07M | 0.00% | Reduce |
| Goldman Sachs Group history | 303.12K | $6.75M | 0.00% | Reduce |
| Fidelity Management & Research (FMR) history | 221.87K | $4.94M | 0.00% | Reduce |
| Charles Schwab Investment Management history | 177.62K | $3.95M | 0.00% | New |
| Northern Trust Corp history | 143.97K | $3.20M | 0.00% | New |
| UBS Group AG history | 50.71K | $1.13M | 0.00% | Add |
| Bank of America Corp history | 43.76K | $974.05K | 0.00% | Add |
| BNY Mellon history | 40.52K | $901.91K | 0.00% | New |
| Morgan Stanley history | 24.64K | $548.51K | 0.00% | Add |
| Wells Fargo & Co history | 22.30K | $496.46K | 0.00% | Add |
| Norges Bank Investment Management history | 20.00K | $445.20K | 0.00% | New |
| Marshall Wace history | 18.01K | $400.99K | 0.00% | Reduce |
| Deutsche Bank AG history | 13.30K | $296.01K | 0.00% | New |
| Two Sigma Investments history | 12.72K | $283.15K | 0.00% | Reduce |
| Invesco Ltd history | 10.96K | $243.86K | 0.00% | New |
| Legal & General Investment Management America history | 1.88K | $41.80K | 0.00% | New |
| Citigroup Inc history | 435 | $9.68K | 0.00% | New |
| T. Rowe Price Associates history | 11.07K | $247 | 0.00% | Reduce |
Q3 2025 — 17 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| JPMorgan Chase & Co history | 1.03M | $16.30M | 0.00% | New |
| BlackRock Inc history | 975.00K | $15.40M | 0.00% | New |
| Balyasny Asset Management history | 968.27K | $15.29M | 0.02% | New |
| Citadel Advisors history | 539.37K | $8.52M | 0.00% | New |
| Millennium Management history | 538.17K | $8.50M | 0.00% | New |
| Fidelity Management & Research (FMR) history | 369.10K | $5.83M | 0.00% | New |
| Wellington Management Group history | 344.66K | $5.44M | 0.00% | New |
| Goldman Sachs Group history | 343.52K | $5.42M | 0.00% | New |
| Marshall Wace history | 255.53K | $4.03M | 0.00% | New |
| Manulife Financial history | 17.49K | $276.14K | 0.00% | New |
| Geode Capital Management history | 13.59K | $214.60K | 0.00% | New |
| Two Sigma Investments history | 13.50K | $213.16K | 0.00% | New |
| Morgan Stanley history | 9.61K | $151.66K | 0.00% | New |
| Bank of America Corp history | 1.70K | $26.84K | 0.00% | New |
| UBS Group AG history | 1.05K | $16.66K | 0.00% | New |
| Wells Fargo & Co history | 1.00K | $15.79K | 0.00% | New |
| T. Rowe Price Associates history | 282.64K | $4.46K | 0.00% | New |
New Positions (Q2 2026)
- JPMorgan Chase & Co 1.50M sh · $48.87M
- D. E. Shaw & Co 13.52K sh · $438.73K
- Manulife Financial 6.25K sh · $202.91K
Fully Exited (vs previous quarter)
- Janus Henderson Group sold 65.43K sh · $1.61M
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 |
|---|---|---|---|---|
| BlackRock Inc | 2.73M | 2.47M | 2.24M | 975.00K |
| JPMorgan Chase & Co | 1.50M | — | 1.61M | 1.03M |
| Balyasny Asset Management | 921.47K | 923.69K | 896.81K | 968.27K |
| Geode Capital Management | 612.79K | 518.23K | 441.45K | 13.59K |
| Goldman Sachs Group | 576.46K | 363.80K | 303.12K | 343.52K |
| Millennium Management | 259.22K | 136.97K | — | 538.17K |
| Citadel Advisors | 215.97K | 416.91K | 407.67K | 539.37K |
| Charles Schwab Investment Management | 195.49K | 186.09K | 177.62K | — |
| Fidelity Management & Research (FMR) | 188.91K | 222.51K | 221.87K | 369.10K |
| Northern Trust Corp | 186.04K | 154.40K | 143.97K | — |
| UBS Group AG | 85.95K | 137.93K | 50.71K | 1.05K |
| Wellington Management Group | 58.89K | 52.64K | — | 344.66K |
| BNY Mellon | 54.98K | 45.46K | 40.52K | — |
| Morgan Stanley | 51.21K | 47.28K | 24.64K | 9.61K |
| Two Sigma Investments | 48.65K | 12.72K | 12.72K | 13.50K |
| Bank of America Corp | 26.54K | 16.62K | 43.76K | 1.70K |
| Deutsche Bank AG | 21.97K | 15.36K | 13.30K | — |
| Wells Fargo & Co | 19.54K | 8.62K | 22.30K | 1.00K |
| Citigroup Inc | 15.72K | 5.57K | 435 | — |
| D. E. Shaw & Co | 13.52K | — | — | — |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details