Ally Bridge Group (NY) LLC
CIK 1822947 · View on SEC EDGAR ↗
- Portfolio value
- $113.1M
- Positions
- 25
- As of
- June 30, 2026
#8,149 of 9,443 by 13F value · top 86.3%
Portfolio value QoQ: -6.7% 13F does not disclose cash
- Top 10 holdings weight
- 70.48%
- Top 25 holdings weight
- 100.00%
- Positions above 1%
- 23
- Effective number of positions
- 12.5
Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)
Turnover Q2 2026: 60.03% Est. buys $70,310,126 · sells $82,194,010
Median holding: 2.0 quarters Tracked Q4 2024–Q2 2026 · 29.4% still held
- New positions
- 12
- Increased
- 2
- Decreased
- 9
- Closed
- 12
On this page
- Performance vs S&P How this manager's 13F portfolio performed against the S&P 500.
- Sector breakdown How the portfolio splits across market sectors.
- Portfolio Every stock this institution reports holding, from its latest 13F.
- Biggest new bets Brand-new positions opened in the latest quarter.
- Top moves The biggest position increases and decreases this quarter.
- Exited positions Positions the manager fully sold out of last quarter.
- Related The person behind this filer, where we can match one.
Performance vs S&P 500
Annualized: +129.5% · S&P 500: +21.7%
Approximates a buy-and-hold portfolio built from quarterly SEC 13F snapshots. Excludes cash, short positions, options/derivatives, and non-13(f) securities — reflects the disclosed long-equity book only, not total fund AUM. SEC filing lag is up to 45 days; this is not a real-time-copyable timing.
Priceable coverage: 95.9% · Options excluded: 17.8%
Sector breakdown
Healthcare
76.1%
Other/Unmapped
23.9%
Full portfolio 25 positions
| Type | Streak | 8Q trend | |||||
|---|---|---|---|---|---|---|---|
| DFTX Definium Therapeutics, Inc. - Common Shares | $18,816,000 | 16.64% | 400,000 | Call option | Up ×1 | ||
| ABVX Abivax SA - American Depositary Shares | $16,657,500 | 14.73% | 125,000 | Call option | Up ×1 | ||
| NERV Minerva Neurosciences, Inc - Common Stock | $12,075,701 | 10.68% | 2,175,802 | $2,101,313 | Up ×1 | ||
| PMN ProMIS Neurosciences Inc. - Common Shares | $8,163,398 | 7.22% | 620,319 | $2,902,817 | Up ×2 | ||
| Unknown issuer (CUSIP: 337185102) | $5,719,854 | 5.06% | 284,287 | Up ×1 | |||
| AXSM Axsome Therapeutics, Inc. - Common Stock | $4,036,992 | 3.57% | 16,493 | ||||
| ASMB Assembly Biosciences, Inc. - Common Stock | $3,847,200 | 3.40% | 140,000 | Up ×1 | |||
| WHWK Whitehawk Therapeutics, Inc. - Common Stock | $3,746,161 | 3.31% | 817,939 | $924,271 | |||
| EWTX Edgewise Therapeutics, Inc. - Common Stock | $3,384,479 | 2.99% | 83,300 | $-1,687,021 | Down ×2 | ||
| CLYM Climb Bio, Inc. - Common Stock | $3,249,203 | 2.87% | 249,172 | ||||
| KURA Kura Oncology, Inc. - Common Stock | $3,181,300 | 2.81% | 290,000 | Up ×1 | |||
| CTMX CytomX Therapeutics, Inc. - Common Stock | $2,906,250 | 2.57% | 775,000 | $-1,323,750 | Down ×1 | ||
| AVTX Avalo Therapeutics, Inc. - Common Stock | $2,772,000 | 2.45% | 150,000 | ||||
| PALI Palisade Bio, Inc. - Common Stock | $2,568,610 | 2.27% | 1,229,000 | Up ×1 | |||
| SLDB Solid Biosciences Inc. - Common Stock | $2,557,030 | 2.26% | 255,959 | $-2,965,183 | Down ×1 | ||
| ANTX AN2 Therapeutics, Inc. - Common Stock | $2,547,365 | 2.25% | 526,315 | $747,368 | |||
| URGN UroGen Pharma Ltd. - Ordinary Shares | $2,545,934 | 2.25% | 69,183 | $-1,088,256 | Down ×1 | ||
| CATX | $2,536,897 | 2.24% | 743,958 | $-1,326,846 | Down ×1 | ||
| IDYA IDEAYA Biosciences, Inc. - Common Stock | $2,515,725 | 2.22% | 67,500 | Up ×1 | |||
| IVA Inventiva S.A. - American Depository Shares | $2,399,544 | 2.12% | 634,800 | $-1,736,871 | Down ×2 | ||
| ALMS Alumis Inc. - Common Stock | $2,151,556 | 1.90% | 76,459 | $-1,526,551 | Down ×1 | ||
| OVID Ovid Therapeutics Inc. - Common Stock | $1,680,069 | 1.49% | 624,561 | $-4,576,910 | Down ×1 | ||
| EPRX Eupraxia Pharmaceuticals Inc. - Common Stock | $1,666,877 | 1.47% | 252,175 | $-3,114,238 | Down ×1 | ||
| IBIO iBio, Inc. - Common Stock | $682,757 | 0.60% | 390,147 | Up ×1 | |||
| TRAW Traws Pharma, Inc. - Common Stock | $663,033 | 0.59% | 786,236 | Up ×1 | |||
| No matches | |||||||
Biggest new bets
New positions opened this quarter, largest first.
| Security | Value | Shares | % of portfolio |
|---|---|---|---|
| DFTX | $18,816,000 | 400,000 | 16.64% |
| ABVX | $16,657,500 | 125,000 | 14.73% |
| Unknown issuer (CUSIP: 337185102) | $5,719,854 | 284,287 | 5.06% |
| AXSM | $4,036,992 | 16,493 | 3.57% |
| ASMB | $3,847,200 | 140,000 | 3.40% |
| CLYM | $3,249,203 | 249,172 | 2.87% |
| KURA | $3,181,300 | 290,000 | 2.81% |
| AVTX | $2,772,000 | 150,000 | 2.45% |
| PALI | $2,568,610 | 1,229,000 | 2.27% |
| IDYA | $2,515,725 | 67,500 | 2.22% |
| IBIO | $682,757 | 390,147 | 0.60% |
| TRAW | $663,033 | 786,236 | 0.59% |
Top movers (QoQ)
Exited positions
Includes corporate events (mergers, delistings) — not all exits are sells
Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.
| Security | Quarter | Shares before | Value before | Price since exit |
|---|---|---|---|---|
| VRNA | Sept. 30, 2025 | 160,701 | $15,199,101 | No longer tracked |
| MDGL | Dec. 31, 2025 | 32,662 | $14,980,753 | -7.9% |
| SLNO | June 30, 2026 | 400,000 | $13,392,000 | No longer tracked |
| SWTX | June 30, 2025 | 281,139 | $12,406,664 | No longer tracked |
| ITCI | March 31, 2025 | 147,750 | $12,340,080 | No longer tracked |
| PRAX | June 30, 2026 | 32,810 | $10,571,054 | 13.2% |
| ASND | Dec. 31, 2025 | 51,080 | $10,155,215 | 21.6% |
| AXSM | June 30, 2025 | 72,113 | $8,410,539 | 107.2% |
| LENZ | Dec. 31, 2025 | 175,363 | $8,168,409 | -69.9% |
| MRUS | Sept. 30, 2025 | 140,208 | $7,374,941 | No longer tracked |
| ATAI | March 31, 2026 | 1,713,105 | $7,006,599 | 109.3% |
| BPMC | June 30, 2025 | 74,192 | $6,566,734 | No longer tracked |
| AMLX | Dec. 31, 2025 | 437,391 | $5,944,144 | 218.8% |
| CMPS | June 30, 2026 | 1,045,000 | $5,778,850 | -1.1% |
| TARS | June 30, 2026 | 80,859 | $5,672,259 | 15.0% |
| ELVN | Sept. 30, 2025 | 281,394 | $5,644,764 | 183.0% |
| TSHA | March 31, 2026 | 957,132 | $5,264,226 | 36.5% |
| MNPR | Dec. 31, 2025 | 64,455 | $5,264,040 | 83.4% |
| ORIC | Sept. 30, 2025 | 485,629 | $4,929,134 | 19.3% |
| QURE | June 30, 2026 | 300,000 | $4,905,000 | 4.0% |
| INSM | Sept. 30, 2025 | 47,710 | $4,801,534 | -10.9% |
| GERN | Sept. 30, 2025 | 3,251,475 | $4,584,580 | 14.2% |
| ARQT | Dec. 31, 2025 | 233,220 | $4,396,197 | -11.6% |
| TRVI | June 30, 2025 | 686,219 | $4,316,318 | 241.3% |
| MNMD | Dec. 31, 2025 | 361,444 | $4,261,425 | No longer tracked |
| TARS | Dec. 31, 2025 | 70,778 | $4,206,337 | -11.6% |
| CNTA | Sept. 30, 2025 | 293,986 | $3,862,976 | No longer tracked |
| RNA | Sept. 30, 2025 | 132,744 | $3,769,930 | -68.7% |
| ALMS | March 31, 2025 | 445,259 | $3,499,736 | 285.1% |
| LXEO | Sept. 30, 2025 | 867,302 | $3,486,554 | -21.5% |
| CAPR | June 30, 2026 | 113,899 | $3,462,530 | -68.9% |
| CGON | June 30, 2025 | 132,298 | $3,239,978 | 203.6% |
| MAZE | June 30, 2026 | 100,000 | $2,985,000 | -0.6% |
| CMPX | June 30, 2026 | 500,000 | $2,645,000 | 11.9% |
| JSPR | March 31, 2025 | 122,424 | $2,617,425 | -82.6% |
| EYPT | March 31, 2025 | 348,000 | $2,592,600 | 4.9% |
| ETNB | March 31, 2025 | 317,833 | $2,485,454 | No longer tracked |
| XENE | June 30, 2025 | 69,603 | $2,335,181 | 97.0% |
| AVTX | Dec. 31, 2025 | 178,100 | $2,263,651 | 11.6% |
| EWTX | June 30, 2025 | 102,650 | $2,258,300 | 242.1% |
| IKT | June 30, 2026 | 1,325,000 | $2,226,000 | 17.8% |
| JANX | June 30, 2025 | 81,292 | $2,194,884 | -24.7% |
| TECX | Dec. 31, 2025 | 138,595 | $2,174,556 | 73.4% |
| KRRO | Sept. 30, 2025 | 154,223 | $1,926,245 | -71.8% |
| REPL | June 30, 2026 | 246,900 | $1,888,785 | 28.7% |
| RLMD | June 30, 2026 | 210,525 | $1,465,254 | -31.4% |
| DNTH | June 30, 2025 | 80,584 | $1,461,794 | 495.9% |
| KPTI | June 30, 2026 | 250,000 | $1,392,500 | -80.3% |
| CLYM | March 31, 2025 | 760,225 | $1,368,405 | 1304.1% |
| TYRA | June 30, 2025 | 107,244 | $997,369 | 170.7% |
| CNTX | June 30, 2025 | 1,157,448 | $708,358 | -24.7% |
| MLTX | Dec. 31, 2025 | 69,000 | $494,730 | 24.2% |
| ATYR | Dec. 31, 2025 | 600,000 | $432,840 | -33.8% |