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Regulatory filings linked to clinical programs and markets. Trials, SEC filings, insider activity, and market data from primary sources.

BioHedge

Hedge fund positioning from Schedule 13D/13G filings. Each position cross-referenced with clinical trial events, regulatory filings, and insider trades. Free public view — the full platform adds company profiles, trial history, competitive landscape, and financing tracker for 500+ biotech companies.

Filings through Jun 18, 2026
Updated continuously

Activity Summary

15
13D Filings
11
New Positions
1
Exits
1
Increased
5
Decreased
15
Funds Active

Companies with two or more institutional investors filing in the same period.

Accumulating
ALT Altimmune, Inc.
▲16.5
3 funds
VRDN Viridian Therapeutics, Inc.\DE
▲10.8
3 funds
Reducing
ELVN Enliven Therapeutics
▼-9.0
4 funds
CNTX Context Therapeutics Inc.
▼-1.1
4 funds
TRAW Traws Pharma, Inc.
▼-14.4
3 funds
VTYX VENTYX BIOSCIENCES INC
▼-9.0
2 funds

Filing Volume by Week

13D 13G
PBLS Parabilis Medicines, Inc.
23.8% NEW
AVTX Avalo Therapeutics, Inc.
9.9% NEW
STTK SHATTUCK LABS INC
5.2% NEW
ELVN Enliven Therapeutics
10.9% ▼-2.5 365d
PHGE BiomX Inc.
4.7% ▼-3.4 19d
STTK SHATTUCK LABS INC
10.0% 286d
ONC BEONE MEDICINES LTD-ADR
8.0% 60d
ARTV Artiva Biotherapeutics, Inc.
36.6% ▲2.9 33d
HOWL Werewolf Therapeutics, Inc.
10.6% ▼-2.0 32d
MASI MASIMO CORP Disposition
0.0% EXIT 114d

The Merger was consummated on June 10, 2026, resulting in Merger Sub merging with the Issuer and the Issuer becoming a wholly owned subsidiary of Parent. Each share of Common Stock was converted into the right to receive $180.00 in cash per share, and the Reporting Persons' 4,590,873 shares were converted into this right, along with 1,119 restricted share units held by Mr. Koffey. As a result, the Reporting Persons no longer beneficially own any shares of Common Stock.

The information regarding the Merger and the conversion of shares into cash consideration, as detailed in Item 4, is incorporated by reference.

STTK SHATTUCK LABS INC Financing Warrants
9.9% 289d

Redmile Funds, excluding RBI II, acquired Pre-Funded Warrants in an underwritten offering at $3.9999 per warrant, allowing them to purchase up to 1,000,000 shares of Common Stock at an exercise price of $0.0001 per warrant, subject to a Beneficial Ownership Blocker.

FULC Fulcrum Therapeutics, Inc.
8.2% NEW
LAB STANDARD BIOTOOLS INC M&A Warrants
23.9% ▼-0.3 193d

On June 6, 2026, the Issuer, Treeline Biosciences, Inc., and Siri Merger Sub, Inc. entered into a Merger Agreement. The Casdin Parties also entered into a Voting Agreement, agreeing to vote their securities in favor of the merger, the issuance of shares to Company stockholders, a name change for the Issuer to "Treeline Biosciences Holdings, Inc.", a reverse stock split, and the adoption of post-closing equity incentive plans, and against any actions that would prevent or delay the merger.

On January 23, 2022, Casdin PMF and Casdin PGEII entered into a Stock Purchase Agreement with the Issuer to purchase 78,750 and 33,750 shares of Series B-1 Preferred Stock for $78,750,000 and $33,750,000, respectively. Concurrently, Casdin PMF and Casdin PGEII provided term loans of $8,750,000 and $3,750,000, respectively, which were subsequently converted into 10,696 and 4,584 shares of Series B-1 Preferred Stock upon the issuance of the preferred stock.

JBIO Jade Biosciences, Inc. Disposition Lock-up
20.0% 244d

In connection with Jade Biosciences, Inc.'s public offering, the Reporting Persons entered into a lock-up agreement for 60 days, restricting the sale of company securities without underwriter consent. The Reporting Persons did not participate in the offering.

EDIT Editas Medicine, Inc.
5.8% NEW
EyePoint, Inc.
5.1% NEW
EDIT Editas Medicine, Inc.
9.9% NEW
AVTX Avalo Therapeutics, Inc.
5.8% NEW 196d
PHGE BiomX Inc.
8.1% ▼-1.9 43d
OFIX Orthofix Medical Inc. Investment
11.0%

Between February 13, 2026, and May 22, 2026, Juniper Targeted Opportunity Fund, L.P. purchased 657,926 shares of Orthofix Medical Inc. in the open market for approximately $7,413,751.

There are no contracts, arrangements, understandings or relationships between any of the Reporting Persons or between any of the Reporting Persons and any other person with respect to any securities of Orthofix Medical Inc., except as described in this Schedule 13D.

OnKure Therapeutics, Inc.
5.3% NEW
ASMB ASSEMBLY BIOSCIENCES, INC.
25.1%
KNSA Kiniksa Pharmaceuticals International, plc Investment
7.0%

Baker Brothers Advisors, on behalf of its funds, entered into a Deed of Waiver with Kiniksa Pharmaceuticals International, plc, irrevocably waiving their right to convert Class A1 and Class B1 ordinary shares into Class A or Class B ordinary shares if such conversion would result in the funds beneficially owning more than 49.9% of the outstanding voting rights in the Issuer. The funds hold securities for investment purposes and may adjust their holdings based on various market and business factors.

Baker Brothers Advisors, on behalf of its funds, entered into a Deed of Waiver with Kiniksa Pharmaceuticals International, plc, waiving the funds' right to convert Class A1 and Class B1 ordinary shares if it would lead to them owning more than 49.9% of the Issuer's voting rights. The Issuer agreed not to effect conversions circumventing this waiver, and the funds agreed not to transfer these shares to affiliates unless the transferee adheres to similar restrictions.

SANA Sana Biotechnology, Inc.
6.3% NEW

Understanding Schedule 13D and 13G Filings

Schedule 13D and 13G filings are SEC disclosures required when an investor acquires more than 5% of a company's outstanding shares.

Schedule 13D (Activist)

Filed when an investor may seek to influence management, board composition, or corporate strategy. Requires disclosure of investment purpose and plans.

Schedule 13G (Passive)

Filed by passive investors (mutual funds, index funds, institutions) with no intent to influence. Simpler filing requirements.

Gap column: Days since previous filing for the same fund+company pair.

Data source: SEC EDGAR. Filings typically available within 4 hours of submission.

This page reflects disclosed ownership changes only. Absence of activity does not imply absence of interest.

Intelligence Platform

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Cross-reference each company's trial history, SEC filings, insider trades, and fund positioning in one view. Traceable to primary sources.