Institutional Manager · CIK 0001822947
Ally Bridge Group (NY) LLC
NEW YORK, NY · File #028-20834
Latest AUM
$96.0M
Positions
20
Top-10 Concentration
76.5%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | PRAXIS PRECISION MEDICINES I | PRAX | -80,118 | -$23.6M | +$24.2M |
| EXITED | MADRIGAL PHARMACEUTICALS INC | 558868105 | -32,662 | -$15.0M | $0 |
| EXITED | ASCENDIS PHARMA A/S - ADR | 04351P101 | -51,080 | -$10.2M | $0 |
| NEW | ABIVAX SA | AAVXF | +70,000 | +$9.4M | $0 |
| EXITED | LENZ THERAPEUTICS INC | 52635N103 | -175,363 | -$8.2M | $0 |
| REDUCE | TAYSHA GENE THERAPIES INC | TSHA | -1,398,112 | -$7.7M | +$4.2M |
| NEW | INVENTIVA SA | IVEVF | +1,500,000 | +$7.0M | $0 |
| NEW | MINERVA NEUROSCIENCES INC | NERV | +1,655,500 | +$6.7M | $0 |
| REDUCE | REPLIMUNE GROUP INC | REPL | -650,000 | -$6.3M | +$10.2M |
| EXITED | AMYLYX PHARMACEUTICALS INC | 03237H101 | -437,391 | -$5.9M | $0 |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 202520 pos · $96.0M
- 13F HOLDINGS REPORTQ/E Sep 202525 pos · $164.2M
- 13F HOLDINGS REPORTQ/E Jun 202524 pos · $120.2M
- 13F HOLDINGS REPORTQ/E Mar 202528 pos · $110.9M
- 13F HOLDINGS REPORTQ/E Dec 202430 pos · $116.6M
- 13F HOLDINGS REPORTQ/E Sep 202429 pos · $186.8M
- 13F HOLDINGS REPORTQ/E Jun 202425 pos · $167.9M
- 13F HOLDINGS REPORTQ/E Mar 202422 pos · $179.9M
- 13F HOLDINGS REPORTQ/E Dec 202319 pos · $85.2M
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | REPLIMUNE GROUP INC | REPL | 1,200,000 | $11.7M | 12.15% |
| 2 | ABIVAX SA | AAVXF | 70,000 | $9.4M | 9.83% |
| 3 | SOLENO THERAPEUTICS INC | SLNO | 168,029 | $7.8M | 8.10% |
| 4 | COMPASS PATHWAYS PLC | CMPS | 1,100,000 | $7.6M | 7.91% |
| 5 | ATAI BECKLEY NV | N0731H103 | 1,713,105 | $7.0M | 7.30% |
| 6 | INVENTIVA SA | IVEVF | 1,500,000 | $7.0M | 7.27% |
| 7 | MINERVA NEUROSCIENCES INC | NERV | 1,655,500 | $6.7M | 6.93% |
| 8 | PRAXIS PRECISION MEDICINES I | PRAX | 19,882 | $5.9M | 6.10% |
| 9 | EDGEWISE THERAPEUTICS INC | EWTX | 225,800 | $5.6M | 5.84% |
| 10 | EDGEWISE THERAPEUTICS INC | EWTX | 195,000 | $4.8M | 5.04% |
| 11 | EUPRAXIA PHARMACEUTICALS INC | EPRX | 397,895 | $3.0M | 3.13% |
| 12 | OVID THERAPEUTICS INC | OVID | 1,785,000 | $2.9M | 3.03% |
| 13 | TAYSHA GENE THERAPIES INC | TSHA | 500,000 | $2.8M | 2.86% |
| 14 | TAYSHA GENE THERAPIES INC | TSHA | 457,132 | $2.5M | 2.62% |
| 15 | UNIQURE NV | QURE | 100,000 | $2.4M | 2.49% |
| 16 | UNIQURE NV | QURE | 100,000 | $2.4M | 2.49% |
| 17 | SOLID BIOSCIENCES INC | SLDB | 413,625 | $2.3M | 2.43% |
| 18 | WHITEHAWK THERAPEUTICS INC | WHWK | 817,939 | $2.0M | 2.06% |
| 19 | PROMIS NEUROSCIENCES INC | PMN | 249,339 | $1.7M | 1.77% |
| 20 | EDGEWISE THERAPEUTICS INC | EWTX | 24,200 | $600,523 | 0.63% |