Michael J. Porro & Co. Financial Advisors, Inc.’s Merck MRK Stock Holding History

Michael J. Porro & Co. Financial Advisors, Inc.’s Portfolio MRK Stock Details MRK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q4	$1.17M	Buy	+11,139	New	+$1.05M	0.98%	35

Other funds holding MRK

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Michael J. Porro & Co. Financial Advisors, Inc.'s MRK Position: Q4 2025 in Review

Michael J. Porro & Co. Financial Advisors, Inc. opened a new position in Merck (MRK) in Q4 2025: 11,139 shares worth $1.17M. The stake represents 0.98% of the portfolio and ranks #35 among its holdings.

3,672 funds tracked by Wall St. Rank hold MRK as of Q4 2025.

Michael J. Porro & Co. Financial Advisors, Inc. held 11,139 shares of Merck worth $1.17M as of Q4 2025.
Merck was a new Michael J. Porro & Co. Financial Advisors, Inc. position in Q4 2025.
Merck made up 0.98% of Michael J. Porro & Co. Financial Advisors, Inc.'s portfolio in Q4 2025, its #35 holding.
3,672 funds tracked by Wall St. Rank held Merck as of Q4 2025.

Based on Michael J. Porro & Co. Financial Advisors, Inc.'s 13F filing for Q4 2025, filed 8 Oct 2026.