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.
| 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 |
| 2024 Q4 | UNCHANGED | 1,297,433 | — | 0% | 7.40% | $129.1M | $95.17 |
| 2024 Q3 | REDUCED | 1,297,433 | -30,154 | -2.3% | 8.26% | $147.3M | $107.78 |
| 2024 Q2 | UNCHANGED | 1,327,587 | — | 0% | 9.74% | $164.4M | $116.72 |
| 2024 Q1 | UNCHANGED | 1,327,587 | — | 0% | 9.70% | $175.2M | $123.66 |
| 2023 Q4 | REDUCED | 1,327,587 | -477,777 | -26.5% | 8.55% | $144.7M | $101.53 |
| 2023 Q3 | REDUCED | 1,805,364 | -3,865 | -0.2% | 11.26% | $185.9M | $95.18 |
As of 2025 Q4 — sorted by position size