01779 LONGBIO-B
LongBio Pharma (Suzhou) Co., Ltd.
A clinical-stage biopharmaceutical company focused on in-house discovery and development of biopharmaceuticals targeting allergic and autoimmune diseases, with Core Product LP-003, an anti-IgE antibody, and Key Product LP-005, a bi-functional antibody fusion protein targeting C5 and C3b complement.
Overview
- Company
- LongBio Pharma (Suzhou) Co., Ltd.
- Sector
- Biotechnology / Biopharmaceuticals / Allergic and autoimmune diseases
- Allocation mechanism
- B
- Listing date
- Jun 5, 2026
Offer Details
- Offer price
- HKD 96.06
- Board lot
- 50
- Total offer shares
- 14,193,150
- Hong Kong offer shares
- 1,419,350
- International offer shares
- 12,773,800
- Minimum application
- 50 shares
- Gross proceeds
- HKD 1,363,393,989
- Net proceeds
- HKD 1,254,900,000
Timetable
May 28, 2026
Application start
Jun 2, 2026
Application deadline
Jun 4, 2026
Allocation announcement
Jun 5, 2026
Refund date
Jun 5, 2026
Trading start
Jun 5, 2026
Listing date
Allocation Result
- Valid applications
- Pending
- Subscription multiple
- Pending
- One-lot success rate
- Pending
- Successful applications
- Pending
Allocation results are not available yet. Valid applications, oversubscription and one-lot success rate will be shown after the allotment results announcement is published.
Estimated Basis of Allocation
Scenario view based on comparable listed IPOs. It estimates demand pressure, not the final allotment basis, because the actual result depends on valid applications and tier mix.
- One-lot equivalent demand
- 57,163,471
- One-lot capacity
- 0.05%
- Pro-rata allotment
- 0.05%
Estimated Success Rate Trend
| Pool | Applied shares | Applied lots | Est. valid applications | Est. success rate | Est. allotted % |
|---|---|---|---|---|---|
| A | 50 Applied lots: 1 · Est. valid applications: 38,173 · Est. allotted %: 2.04% | 1 | 38,173 | 3.01% | 2.04% |
| A | 100 Applied lots: 2 · Est. valid applications: 12,918 · Est. allotted %: 1.36% | 2 | 12,918 | 3.25% | 1.36% |
| A | 150 Applied lots: 3 · Est. valid applications: 6,520 · Est. allotted %: 1.01% | 3 | 6,520 | 3.45% | 1.01% |
| A | 200 Applied lots: 4 · Est. valid applications: 4,908 · Est. allotted %: 0.81% | 4 | 4,908 | 3.62% | 0.81% |
| A | 250 Applied lots: 5 · Est. valid applications: 3,985 · Est. allotted %: 0.69% | 5 | 3,985 | 3.71% | 0.69% |
| A | 300 Applied lots: 6 · Est. valid applications: 2,464 · Est. allotted %: 0.61% | 6 | 2,464 | 3.91% | 0.61% |
| A | 350 Applied lots: 7 · Est. valid applications: 2,046 · Est. allotted %: 0.55% | 7 | 2,046 | 4.26% | 0.55% |
| A | 400 Applied lots: 8 · Est. valid applications: 1,818 · Est. allotted %: 0.53% | 8 | 1,818 | 4.54% | 0.53% |
| A | 450 Applied lots: 9 · Est. valid applications: 6,524 · Est. allotted %: 0.52% | 9 | 6,524 | 4.78% | 0.52% |
| A | 500 Applied lots: 10 · Est. valid applications: 5,872 · Est. allotted %: 0.52% | 10 | 5,872 | 4.78% | 0.52% |
| A | 600 Applied lots: 12 · Est. valid applications: 7,893 · Est. allotted %: 0.41% | 12 | 7,893 | 5.33% | 0.41% |
| A | 700 Applied lots: 14 · Est. valid applications: 7,173 · Est. allotted %: 0.4% | 14 | 7,173 | 5.33% | 0.4% |
| A | 800 Applied lots: 16 · Est. valid applications: 4,714 · Est. allotted %: 0.35% | 16 | 4,714 | 5.7% | 0.35% |
| A | 900 Applied lots: 18 · Est. valid applications: 4,201 · Est. allotted %: 0.32% | 18 | 4,201 | 5.7% | 0.32% |
| A | 1,000 Applied lots: 20 · Est. valid applications: 3,610 · Est. allotted %: 0.27% | 20 | 3,610 | 6.15% | 0.27% |
| A | 1,500 Applied lots: 30 · Est. valid applications: 1,921 · Est. allotted %: 0.22% | 30 | 1,921 | 6.87% | 0.22% |
| A | 2,000 Applied lots: 40 · Est. valid applications: 1,442 · Est. allotted %: 0.18% | 40 | 1,442 | 7.67% | 0.18% |
| A | 2,500 Applied lots: 50 · Est. valid applications: 1,892 · Est. allotted %: 0.17% | 50 | 1,892 | 8.05% | 0.17% |
| A | 3,000 Applied lots: 60 · Est. valid applications: 2,017 · Est. allotted %: 0.15% | 60 | 2,017 | 8.9% | 0.15% |
| A | 3,500 Applied lots: 70 · Est. valid applications: 3,305 · Est. allotted %: 0.13% | 70 | 3,305 | 9.45% | 0.13% |
| A | 4,000 Applied lots: 80 · Est. valid applications: 2,890 · Est. allotted %: 0.12% | 80 | 2,890 | 10.14% | 0.12% |
| A | 4,500 Applied lots: 90 · Est. valid applications: 4,800 · Est. allotted %: 0.11% | 90 | 4,800 | 11.2% | 0.11% |
| A | 5,000 Applied lots: 100 · Est. valid applications: 4,320 · Est. allotted %: 0.11% | 100 | 4,320 | 11.2% | 0.11% |
| A | 6,000 Applied lots: 120 · Est. valid applications: 3,604 · Est. allotted %: 0.11% | 120 | 3,604 | 11.2% | 0.11% |
| A | 7,000 Applied lots: 140 · Est. valid applications: 3,925 · Est. allotted %: 0.09% | 140 | 3,925 | 12.65% | 0.09% |
| A | 8,000 Applied lots: 160 · Est. valid applications: 3,436 · Est. allotted %: 0.09% | 160 | 3,436 | 13.2% | 0.09% |
| A | 9,000 Applied lots: 180 · Est. valid applications: 3,353 · Est. allotted %: 0.07% | 180 | 3,353 | 16.33% | 0.07% |
| A | 10,000 Applied lots: 200 · Est. valid applications: 2,938 · Est. allotted %: 0.07% | 200 | 2,938 | 16.33% | 0.07% |
| A | 20,000 Applied lots: 400 · Est. valid applications: 1,855 · Est. allotted %: 0.05% | 400 | 1,855 | 24.15% | 0.05% |
| A | 30,000 Applied lots: 600 · Est. valid applications: 1,694 · Est. allotted %: 0.05% | 600 | 1,694 | 25.68% | 0.05% |
| A | 40,000 Applied lots: 800 · Est. valid applications: 3,575 · Est. allotted %: 0.05% | 800 | 3,575 | 41.09% | 0.05% |
| A | 50,000 Applied lots: 1,000 · Est. valid applications: 5,102 · Est. allotted %: 0.05% | 1,000 | 5,102 | 54.38% | 0.05% |
| B | 60,000 Applied lots: 1,200 · Est. valid applications: 4,883 · Est. allotted %: 0.05% | 1,200 | 4,883 | 54.38% | 0.05% |
| B | 70,000 Applied lots: 1,400 · Est. valid applications: 4,611 · Est. allotted %: 0.05% | 1,400 | 4,611 | 62.94% | 0.05% |
| B | 80,000 Applied lots: 1,600 · Est. valid applications: 2,338 · Est. allotted %: 0.04% | 1,600 | 2,338 | 73.88% | 0.04% |
| B | 90,000 Applied lots: 1,800 · Est. valid applications: 2,080 · Est. allotted %: 0.04% | 1,800 | 2,080 | 79.15% | 0.04% |
| B | 100,000 Applied lots: 2,000 · Est. valid applications: 1,649 · Est. allotted %: 0.04% | 2,000 | 1,649 | 86.61% | 0.04% |
| B | 200,000 Applied lots: 4,000 · Est. valid applications: 533 · Est. allotted %: 0.03% | 4,000 | 533 | 99.93% | 0.03% |
| B | 300,000 Applied lots: 6,000 · Est. valid applications: 397 · Est. allotted %: 0.03% | 6,000 | 397 | 100% | 0.03% |
| B | 400,000 Applied lots: 8,000 · Est. valid applications: 222 · Est. allotted %: 0.02% | 8,000 | 222 | 100% | 0.02% |
| B | 500,000 Applied lots: 10,000 · Est. valid applications: 203 · Est. allotted %: 0.02% | 10,000 | 203 | 100% | 0.02% |
| B | 600,000 Applied lots: 12,000 · Est. valid applications: 162 · Est. allotted %: 0.02% | 12,000 | 162 | 100% | 0.02% |
| B | 709,650 Applied lots: 14,193 · Est. valid applications: 267 · Est. allotted %: 0.02% | 14,193 | 267 | 100% | 0.02% |