MRK — Merck & Co Inc COM

Ownership history in SRB CORP  ·  55 quarters on record

This page tracks every 13F SEC filing in which SRB CORP reported a position in Merck & Co Inc COM (MRK). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
19.39% (2012 Q3)
Avg. % of fund
11.59%
First filed
2012 Q2
Last filed
2025 Q4
Quarters held
55
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 UNCHANGED 473,365 — 0% 2.74% $49.8M $104.49
2025 Q3 REDUCED 473,365 -23,181 -4.7% 2.28% $39.7M $82.61
2025 Q2 REDUCED 496,546 -748,990 -60.1% 2.36% $39.3M $77.15
2025 Q1 REDUCED 1,245,536 -51,897 -4.0% 7.29% $111.8M $86.61
51 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    MRK price (monthly, adj. close)

Other funds also holding MRK

As of 2025 Q4 — sorted by position size

Wallace Advisory Group, LLC 3Y 12.75% SECTOR GAMMA AS 3Y 7Y 8.73% Radnor Capital Management, LLC 3Y 7Y 8.12% KAHN BROTHERS GROUP INC 3Y 7Y 8.02% Slocum, Gordon & Co LLP 7.3% Atle Fund Management AB 3Y 7Y 6.57% Bruce & Co., Inc. 3Y 7Y 6.29% Smead Capital Management, Inc. 3Y 7Y 6.2% THORNBURG INVESTMENT MANAGEMENT INC 3Y 7Y 4.95% Round Hill Asset Management 3Y 7Y 4.82%
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