Notable Insider Purchases Observed in VHT Holdings
Insider Buying Activity: The Vanguard Health Care ETF (VHT) has 20.1% of its weighted holdings showing insider buying in the last six months.
Masimo Corp. Details: Masimo Corp. (MASI), making up 0.12% of VHT, had two directors purchase shares recently, with the ETF holding $20,536,299 worth of MASI.
Option Care Health Inc. Details: Option Care Health Inc. (OPCH), the #95 largest holding in VHT, saw four directors buy shares, with the ETF holding $14,728,370 worth of OPCH.
Disclaimer: The views expressed are those of the author and do not necessarily reflect the opinions of Nasdaq, Inc.
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- Significant Contract Value: Masimo has secured a maximum fixed-price contract worth approximately $100 million for patient monitoring and capital equipment, reflecting strong demand and market confidence in the medical device sector.
- Extended Contract Duration: This award exercises the five-year option period under the existing five-year base contract, with the ordering period running through April 19, 2031, ensuring a stable revenue stream for Masimo in the coming years.
- Broad Customer Base: The contract supports customers across the Army, Navy, Air Force, Marine Corps, and federal civilian agencies, highlighting Masimo's critical position and influence in the defense medical equipment market.
- Clear Funding Source: The contract is funded through FY2026–2031 defense working capital funds, demonstrating the government's ongoing investment and trust in Masimo's products, further solidifying the company's market position.

- Legal Investigation Launched: Halper Sadeh LLC is investigating Masimo Corporation for its sale to Danaher Corporation at $180.00 per share in cash, potentially violating federal securities laws and fiduciary duties to shareholders.
- Merger Transaction Review: CECO Environmental Corp.'s merger with Thermon Group Holdings, Inc. is expected to result in CECO shareholders owning approximately 62.5% of the combined entity, with Halper Sadeh LLC potentially seeking increased compensation for shareholders.
- Shareholder Rights Protection: Marine Products Corporation is being sold to MasterCraft Boat Holdings, Inc. for $2.43 per share in cash and 0.232 shares of MasterCraft common stock, prompting Halper Sadeh LLC to encourage shareholders to understand their legal rights and options.
- Investor Support: Halper Sadeh LLC represents investors globally, focusing on combating securities fraud and corporate misconduct, having successfully recovered millions for defrauded investors, highlighting its crucial role in protecting investor rights.
- Board Expansion: Telix Pharmaceuticals announces the appointment of Maria Rivas and William Jellison as Non-Executive Directors effective May 11, 2026, aimed at enhancing governance and financial oversight to support the company's strategic development in the global biopharmaceutical sector.
- Rivas's Background: Maria Rivas brings over 25 years of clinical development and commercialization experience, having served as Chief Medical Officer at Pfizer, where she oversaw the launch of multiple blockbuster medical products, and her expertise is expected to bolster Telix's capabilities in oncology and rare diseases.
- Jellison's Experience: William Jellison has over 30 years of corporate finance leadership experience, including serving as CFO of Stryker Corporation, where he managed international finance and M&A, and his financial acumen will provide critical strategic support for Telix.
- Strategic Implications: This board expansion aligns with Telix's evolution into a global commercial-stage biopharmaceutical company, reflecting the company's commitment to enhancing governance structures and increasing market competitiveness, which is expected to drive long-term growth in the biopharmaceutical industry.
- Board Expansion: Telix Pharmaceuticals announces the appointment of Maria Rivas and William Jellison as Non-Executive Directors effective May 11, 2026, aimed at enhancing governance and financial oversight to support the company's strategic development in the global biopharmaceutical sector.
- Maria Rivas Background: Rivas brings over 25 years of clinical development and commercialization experience, having served as Chief Medical Officer at Pfizer, overseeing the launch of multiple blockbuster drugs, which will provide critical support for Telix's product development and market strategies.
- William Jellison Credentials: Jellison has over 30 years of corporate finance experience in large regulated environments, previously serving as CFO of Stryker, managing international finance and M&A, and his financial management expertise will enhance Telix's capital allocation efficiency.
- Strategic Implications: This board expansion aligns with Telix's evolution as a dual-listed global commercial-stage biopharmaceutical company, reflecting the company's commitment to improving governance structures and market competitiveness, which is expected to drive future business growth.
New Director Appointments: Telix has strengthened its board by appointing additional directors to enhance governance and strategic oversight.
Focus on Growth: The new appointments are part of Telix's strategy to support its growth initiatives and expand its operational capabilities.
- Position Change: Bridger Management sold 47,841 shares of Masimo in Q4, resulting in a $7.06 million decrease in position value, indicating a waning confidence in the stock's prospects.
- Complete Liquidation: As of February 17, 2026, Bridger Management fully liquidated its stake in Masimo, which previously constituted 3.8% of the fund's AUM, reflecting a cautious outlook on market conditions.
- Market Reaction: Shortly after the sale, Masimo announced an acquisition deal at $180 per share, totaling approximately $9.9 billion, which propelled the stock up by about 34%, highlighting the volatility of the market and the critical nature of timing in investments.
- Investment Strategy: Bridger Management's portfolio remains heavily weighted towards large-cap cash-generating firms like Morgan Stanley and Amazon, indicating a preference for stability, yet potentially missing out on unique high-return opportunities tied to strategic events.










