Arkolith/Funds/Ally Bridge Group (NY) LLC

Ally Bridge Group (NY) LLC

CIK 1822947
Holdings as of Mar 31, 2026·disclosed May 18, 2026·~48-day 13F lag·13F-HR
Active Filer

Ally Bridge Group (NY) LLC holds a focused book of 21 stocks worth $100.7M as of Q1 2026 (disclosed May 18, 2026, a ~48-day 13F lag). This quarter they opened Compass Pathways PLC and trimmed Edgewise Therapeutics Inc. Their largest long position is Praxis Precision Medicines I at 11% of the equity book. They also disclosed $6.7M in put options (a bearish bet) and $16.5M in call options (bullish), shown separately below and excluded from the equity book.

Opened
10
bought for the first time
Added to
6
already held, bought more
Sold out
2
exited the position entirely

Concentration

Top-heavy: focused book

Top 5 holdings
39%
Top 10 holdings
65%
Top 20 holdings
99%

Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.

Direct sector allocation

93% mapped to company sectors

Health Care
93%
ETF / fund or unclassified
7%

Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.

Biggest moves: latest quarter

Estimated $ traded · quarter-end prices, no cost basis

Bought
Trimmed / exited

Funds with the most overlap

Other tracked managers holding the same core names as Ally Bridge Group (NY) LLC

Manager / fundShared namesTheir $ in those
UBS Group AG22 / 21$728.4M
MORGAN STANLEY21 / 21$847.5M
GEODE CAPITAL MANAGEMENT, LLC21 / 21$546.6M
MILLENNIUM MANAGEMENT LLC21 / 21$304.9M
GOLDMAN SACHS GROUP INC20 / 21$513.8M
BANK OF AMERICA CORP /DE/20 / 21$477.4M
BNP PARIBAS FINANCIAL MARKETS20 / 21$93.8M
ROYAL BANK OF CANADA20 / 21$7.1M

Ranked by how many of Ally Bridge Group (NY) LLC's top 21 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.

Holdings: largest first

Bars show each stock's share of the portfolio. Click a row for its position history.

21 positions
#SecurityValueShares% PortLast moveHistory
1Praxis Precision Medicines I
COM NEW
$10.6M32.8K
10.5%
+65%
Added · +13K sh
2Minerva Neurosciences Inc
COM NEW
$10.0M1.66M
9.9%
Held
3Soleno Therapeutics Inc
COM
$6.7M200.0K
6.7%
+19%
Added · +32K sh
4Ovid Therapeutics Inc
COM
$6.3M2.82M
6.2%
+58%
Added · +1.0M sh
5Compass Pathways PLC
SPONSORED ADS
$5.8M1.04M
5.7%
New
New position
6Tarsus Pharmaceuticals Inc
COM
$5.7M80.9K
5.6%
New
New position
7Solid Biosciences Inc
COM NEW
$5.5M767.0K
5.5%
+85%
Added · +353K sh
8Promis Neurosciences Inc
COM SHS
$5.3M414.2K
5.2%
+66%
Added · +165K sh
9Edgewise Therapeutics Inc
COM
$5.1M161.0K
5.0%
−17%
Reduced · −34K sh
10Eupraxia Pharmaceuticals Inc
COM
$4.8M660.4K
4.7%
+66%
Added · +262K sh
11Cytomx Therapeutics Inc.
COM
$4.2M900.0K
4.2%
New
New position
12Inventiva Sa
ADS
$4.1M745.3K
4.1%
−50%
Reduced · −755K sh
13Perspective Therapeutics Inc
COM NEW
$3.9M926.6K
3.8%
New
New position
14Abivax Sa
SPONSORED ADS
$3.8M33.7K
3.7%
−52%
Reduced · −36K sh
15Alumis Inc
COM
$3.7M167.0K
3.7%
New
New position
16Urogen Pharma Ltd
COM
$3.6M202.1K
3.6%
New
New position
17Capricor Therapeutics Inc
COM NEW
$3.5M113.9K
3.4%
New
New position
18Whitehawk Therapeutics Inc
COM
$2.8M817.9K
2.8%
Held
19Inhibikase Therapeutics Inc
COM NEW
$2.2M1.32M
2.2%
New
New position
20An2 Therapeutics Inc
COM
$1.8M526.3K
1.8%
New
New position
21Relmada Therapeutics Inc
COM
$1.5M210.5K
1.5%
New
New position
Showing all 21 positions
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Largest options & derivatives disclosed

Put / call positions from the 13F — totals include every disclosed option leg

Put notional (bearish)$6.7M
Call notional (bullish)$16.5M
TypeUnderlyingNotional valueUnderlying shares
PUT · bearishSOLENO THERAPEUTICS INC$6.7M200K
CALL · bullishCOMPASS THERAPEUTICS INCCMPX$5.3M1.0M
CALL · bullishUNIQURE NVQURE$4.9M300K
CALL · bullishMAZE THERAPEUTICS INCMAZE$3.0M100K
CALL · bullishREPLIMUNE GROUP INCREPL$1.9M247K
CALL · bullishKARYOPHARM THERAPEUTICS INCKPTI$1.4M250K

13F filers disclose option positions at the market value of the underlying the contracts reference, not the premium paid. A put is a bearish bet (it gains if the stock falls); a call is bullish. “Underlying shares” is the share count the contracts control, not a share holding. These legs are excluded from the equity book, weighting, concentration and sector figures above.

Filing history

As-of date vs the date the SEC received each filing

QuarterAs ofFiledPositionsValueForm
Q1 2026Mar 31, 2026May 18, 202628$123.8M13F-HR
Q4 2025Dec 31, 2025Feb 17, 202620$96.0M13F-HR
Q3 2025Sep 30, 2025Nov 14, 202525$164.2M13F-HR
Q2 2025Jun 30, 2025Aug 14, 202524$120.2M13F-HR
Q1 2025Mar 31, 2025May 15, 202528$110.9M13F-HR
Q4 2024Dec 31, 2024Feb 14, 202530$116.6M13F-HR
Q3 2024Sep 30, 2024Nov 14, 202429$186.8M13F-HR
Q2 2024Jun 30, 2024Aug 14, 202425$167.9M13F-HR
Q1 2024Mar 31, 2024May 15, 202422$179.9M13F-HR
Q4 2023Dec 31, 2023Feb 14, 202422$167.8M13F-HR
Q3 2023Sep 30, 2023Nov 14, 202319$85.2M13F-HR
Q2 2023Jun 30, 2023Aug 14, 202317$82.6M13F-HR
Q1 2023Mar 31, 2023May 15, 202318$76.3M13F-HR
Q4 2022Dec 31, 2022Feb 14, 202330$102.8M13F-HR
Q3 2022Sep 30, 2022Nov 14, 202239$151.5M13F-HR
Q2 2022Jun 30, 2022Aug 15, 202222$109.7M13F-HR
Q1 2022Mar 31, 2022May 16, 202221$134.9M13F-HR
Q4 2021Dec 31, 2021Feb 14, 202230$286.1M13F-HR
Q3 2021Sep 30, 2021Nov 15, 202131$340.1M13F-HR
Q2 2021Jun 30, 2021Aug 16, 202129$402.5M13F-HR
Q1 2021Mar 31, 2021May 17, 202132$521.6M13F-HR
Q4 2020Dec 31, 2020Feb 16, 202130$583.5M13F-HR

Data source

Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.