Ally Bridge Group (NY) LLC Quant / Systematic

Location: New York, NY

CIK: 0001822947 · Show all filings

Period: Q1 2026 (← Previous)

Filing Date: May 18, 2026

Total Value: $124M (100.0% shares, 0.0% debt)

Holdings (27)

New Positions (14)

SLNO SOLENO THERAPEUTICS INC 5.4%

Value $6.696M Shares 200,000 Est. Cost $61.30 Unrealized -32.1%

CMPS COMPASS PATHWAYS PLC 4.7%

Value $5.779M Shares 1,045,000 Est. Cost $5.53 Unrealized —

TARS TARSUS PHARMACEUTICALS INC 4.6%

Value $5.672M Shares 80,859 Est. Cost $69.71 Unrealized 0.0%

CMPX COMPASS THERAPEUTICS INC 4.3%

Value $5.29M Shares 1,000,000 Est. Cost — Unrealized —

CTMX CYTOMX THERAPEUTICS INC. 3.4%

Value $4.23M Shares 900,000 Est. Cost $5.23 Unrealized 0.0%

CATX PERSPECTIVE THERAPEUTICS INC 3.1%

Value $3.864M Shares 926,557 Est. Cost $3.84 Unrealized 0.0%

ALMS ALUMIS INC 3.0%

Value $3.678M Shares 166,959 Est. Cost $24.33 Unrealized 0.0%

URGN UROGEN PHARMA LTD 2.9%

Value $3.634M Shares 202,124 Est. Cost $20.84 Unrealized 0.0%

CAPR CAPRICOR THERAPEUTICS INC 2.8%

Value $3.463M Shares 113,899 Est. Cost $24.88 Unrealized 0.0%

MAZE MAZE THERAPEUTICS INC 2.4%

Value $2.985M Shares 100,000 Est. Cost — Unrealized —

IKT INHIBIKASE THERAPEUTICS INC 1.8%

Value $2.226M Shares 1,325,000 Est. Cost $1.73 Unrealized 0.0%

ANTX AN2 THERAPEUTICS INC 1.5%

Value $1.8M Shares 526,315 Est. Cost $1.13 Unrealized 0.0%

RLMD RELMADA THERAPEUTICS INC 1.2%

Value $1.465M Shares 210,525 Est. Cost $4.01 Unrealized 0.0%

KPTI KARYOPHARM THERAPEUTICS INC 1.1%

Value $1.393M Shares 250,000 Est. Cost — Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
SLNO	SOLENO THERAPEUTICS INC	200,000	$6.696M	5.4%	$61.30	-32.1%	PUT	834203309
CMPS	COMPASS PATHWAYS PLC	1,045,000	$5.779M	4.7%	$5.53	—	SPONSORED ADS	20451W101
TARS	TARSUS PHARMACEUTICALS INC	80,859	$5.672M	4.6%	$69.71	0.0%	COM	87650L103
CMPX	COMPASS THERAPEUTICS INC	1,000,000	$5.29M	4.3%	—	—	CALL	20454B104
CTMX	CYTOMX THERAPEUTICS INC.	900,000	$4.23M	3.4%	$5.23	0.0%	COM	23284F105
CATX	PERSPECTIVE THERAPEUTICS INC	926,557	$3.864M	3.1%	$3.84	0.0%	COM NEW	46489V302
ALMS	ALUMIS INC	166,959	$3.678M	3.0%	$24.33	0.0%	COM	022307102
URGN	UROGEN PHARMA LTD	202,124	$3.634M	2.9%	$20.84	0.0%	COM	M96088105
CAPR	CAPRICOR THERAPEUTICS INC	113,899	$3.463M	2.8%	$24.88	0.0%	COM NEW	14070B309
MAZE	MAZE THERAPEUTICS INC	100,000	$2.985M	2.4%	—	—	CALL	578784100
IKT	INHIBIKASE THERAPEUTICS INC	1,325,000	$2.226M	1.8%	$1.73	0.0%	COM NEW	45719W205
ANTX	AN2 THERAPEUTICS INC	526,315	$1.8M	1.5%	$1.13	0.0%	COM	037326105
RLMD	RELMADA THERAPEUTICS INC	210,525	$1.465M	1.2%	$4.01	0.0%	COM	75955J402
KPTI	KARYOPHARM THERAPEUTICS INC	250,000	$1.393M	1.1%	—	—	CALL	48576U205

Increased Positions (7)

PRAX PRAXIS PRECISION MEDICINES I 8.5%

Value $10.57M (+80.4%) Shares 32,810 (+65.0%) Est. Cost $235.71 Unrealized +32.3%

PMN PROMIS NEUROSCIENCES INC 4.2%

Value $5.261M (+209.1%) Shares 414,219 (+66.1%) Est. Cost $10.72 Unrealized +13.5%

OVID OVID THERAPEUTICS INC 5.1%

Value $6.257M (+115.0%) Shares 2,818,459 (+57.9%) Est. Cost $1.56 Unrealized +2.2%

SLDB SOLID BIOSCIENCES INC 4.5%

Value $5.522M (+136.7%) Shares 766,974 (+85.4%) Est. Cost $4.69 Unrealized +28.9%

EPRX EUPRAXIA PHARMACEUTICALS INC 3.9%

Value $4.781M (+59.2%) Shares 660,375 (+66.0%) Est. Cost $6.61 Unrealized +26.7%

SLNO SOLENO THERAPEUTICS INC 5.4%

Value $6.696M (-13.9%) Shares 200,000 (+19.0%) Est. Cost $61.30 Unrealized -32.1%

QURE UNIQURE NV 4.0%

Value $4.905M (+2.5%) Shares 300,000 (+50.0%) Est. Cost — Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
PRAX	PRAXIS PRECISION MEDICINES I	32,810 (+65.0%)	$10.57M (+80.4%)	8.5%	$235.71	+32.3%	COM NEW	74006W207
PMN	PROMIS NEUROSCIENCES INC	414,219 (+66.1%)	$5.261M (+209.1%)	4.2%	$10.72	+13.5%	COM SHS	74346M505
OVID	OVID THERAPEUTICS INC	2,818,459 (+57.9%)	$6.257M (+115.0%)	5.1%	$1.56	+2.2%	COM	690469101
SLDB	SOLID BIOSCIENCES INC	766,974 (+85.4%)	$5.522M (+136.7%)	4.5%	$4.69	+28.9%	COM NEW	83422E204
EPRX	EUPRAXIA PHARMACEUTICALS INC	660,375 (+66.0%)	$4.781M (+59.2%)	3.9%	$6.61	+26.7%	COM	29842P105
SLNO	SOLENO THERAPEUTICS INC	200,000 (+19.0%)	$6.696M (-13.9%)	5.4%	$61.30	-32.1%	COM	834203309
QURE	UNIQURE NV	300,000 (+50.0%)	$4.905M (+2.5%)	4.0%	—	—	CALL	N90064101

Exited Positions (5)

CMPS COMPASS PATHWAYS PLC 6.1%

Value $7.59M Shares 1,100,000 Est. Cost $5.53 Unrealized —

— ATAI BECKLEY NV 5.7%

Value $7.007M Shares 1,713,105 Est. Cost $5.29 Unrealized —

EWTX EDGEWISE THERAPEUTICS INC 5.0%

Value $6.204M Shares 250,000 Est. Cost $20.07 Unrealized +40.4%

TSHA TAYSHA GENE THERAPIES INC 2.2%

Value $2.75M Shares 500,000 Est. Cost $2.83 Unrealized +68.1%

TSHA TAYSHA GENE THERAPIES INC 2.0%

Value $2.514M Shares 457,132 Est. Cost $2.83 Unrealized +68.1%

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
CMPS	COMPASS PATHWAYS PLC	1,100,000	$7.59M	6.1%	$5.53	—	CALL	20451W101
—	ATAI BECKLEY NV	1,713,105	$7.007M	5.7%	$5.29	—	—	N0731H103
EWTX	EDGEWISE THERAPEUTICS INC	250,000	$6.204M	5.0%	$20.07	+40.4%	PUT	28036F105
TSHA	TAYSHA GENE THERAPIES INC	500,000	$2.75M	2.2%	$2.83	+68.1%	CALL	877619106
TSHA	TAYSHA GENE THERAPIES INC	457,132	$2.514M	2.0%	$2.83	+68.1%	—	877619106

Decreased Positions (4)

REPL REPLIMUNE GROUP INC 1.5%

Value $1.889M (-83.8%) Shares 246,900 (-79.4%) Est. Cost — Unrealized —

ABVX ABIVAX SA 3.0%

Value $3.754M (-60.2%) Shares 33,712 (-51.8%) Est. Cost $134.85 Unrealized —

IVA INVENTIVA SA 3.3%

Value $4.136M (-40.7%) Shares 745,300 (-50.3%) Est. Cost $4.65 Unrealized —

EWTX EDGEWISE THERAPEUTICS INC 4.1%

Value $5.072M (+4.8%) Shares 161,000 (-17.4%) Est. Cost $20.07 Unrealized +40.4%

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
REPL	REPLIMUNE GROUP INC	246,900 (-79.4%)	$1.889M (-83.8%)	1.5%	—	—	CALL	76029N106
ABVX	ABIVAX SA	33,712 (-51.8%)	$3.754M (-60.2%)	3.0%	$134.85	—	SPONSORED ADS	00370M103
IVA	INVENTIVA SA	745,300 (-50.3%)	$4.136M (-40.7%)	3.3%	$4.65	—	ADS	46124U107
EWTX	EDGEWISE THERAPEUTICS INC	161,000 (-17.4%)	$5.072M (+4.8%)	4.1%	$20.07	+40.4%	COM	28036F105

Unchanged Positions (2)

NERV MINERVA NEUROSCIENCES INC 8.1%

Value $9.974M Shares 1,655,500 Est. Cost $3.71 Unrealized +33.7%

WHWK WHITEHAWK THERAPEUTICS INC 2.3%

Value $2.822M Shares 817,939 Est. Cost $2.27 Unrealized +24.5%

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
NERV	MINERVA NEUROSCIENCES INC	1,655,500	$9.974M	8.1%	$3.71	+33.7%	COM NEW	603380205
WHWK	WHITEHAWK THERAPEUTICS INC	817,939	$2.822M	2.3%	$2.27	+24.5%	COM	00032Q104