MRK — MERCK & CO INC

Ownership history in Qube Research & Technologies Ltd  ·  45 quarters on record

AI Ownership Summary

Qube Research & Technologies Ltd reported MERCK & CO INC (MRK) in 45 quarterly 13F filings from 2023 Q3 through 2025 Q4. Peak portfolio weight reached 0.84% in 2024 Q2. The latest visible filing shows MRK at 0.06% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this MRK ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Qube Research & Technologies Ltd's position in MERCK & CO INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

MRK was reported at 0.06% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.84% in 2024 Q2

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q3 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

MRK stock page Qube Research & Technologies Ltd fund profile Qube Research & Technologies Ltd full holdings
How Qube Research & Technologies Ltd held MRK — position size vs. price
% of Fund (quarterly)    MRK price (quarter-end, indexed to 100)
📋 Quarterly Holdings History 27 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 600,700 -207,300 -25.7% 0.06% $63.2M 2026-02-14 (Est.) $120.52
2025 Q4 REDUCED 808,000 -1,255,967 -60.9% 0.09% $85.1M 2026-02-14 (Est.) $120.52
2025 Q3 ADDED 2,063,967 +864,267 +72.0% 0.18% $173.2M 2025-11-14 $91.46
2025 Q3 ADDED 1,199,700 +76,000 +6.8% 0.10% $100.7M 2025-11-14 $91.46
2025 Q3 REDUCED 1,123,700 -130,300 -10.4% 0.10% $94.3M 2025-11-14 $91.46
2025 Q2 ADDED 1,254,000 +41,400 +3.4% 0.10% $99.3M 2025-08-14 $80.66
2025 Q2 REDUCED 1,212,600 -2,809,864 -69.9% 0.10% $96.0M 2025-08-14 $80.66
2025 Q2 ADDED 4,022,464 +2,981,464 +286.4% 0.32% $318.4M 2025-08-14 $80.66
2025 Q1 ADDED 1,041,000 +769,000 +282.7% 0.11% $93.4M 2025-05-15 $72.18
2025 Q1 REDUCED 272,000 -3,161,412 -92.1% 0.03% $24.4M 2025-05-15 $72.18
2025 Q1 REDUCED 3,433,412 -937,049 -21.4% 0.36% $308.2M 2025-05-15 $72.18
2024 Q4 ADDED 4,370,461 +3,988,561 +1044.4% 0.57% $434.8M 2025-02-14 $79.41
2024 Q4 ADDED 381,900 +175,700 +85.2% 0.05% $38.0M 2025-02-14 $79.41
2024 Q4 REDUCED 206,200 -202,200 -49.5% 0.03% $20.5M 2025-02-14 $79.41
2024 Q3 ADDED 408,400 +297,500 +268.3% 0.07% $46.4M 2024-11-14 $93.35
2024 Q3 REDUCED 110,900 -4,061,945 -97.3% 0.02% $12.6M 2024-11-14 $93.35
2024 Q3 REDUCED 4,172,845 -102,238 -2.4% 0.70% $473.9M 2024-11-14 $93.35
2024 Q2 ADDED 4,275,083 +4,200,883 +5661.6% 0.84% $529.3M 2024-08-14 $107.08
2024 Q2 REDUCED 74,200 -1,266,525 -94.5% 0.01% $9.2M 2024-08-14 $107.08
2024 Q1 ADDED 1,340,725 +1,214,025 +958.2% 0.28% $176.9M 2024-05-14 $120.58
2024 Q1 ADDED 126,700 +101,500 +402.8% 0.03% $16.7M 2024-05-14 $120.58
2023 Q4 REDUCED 25,200 -262,700 -91.2% 0.01% $2.7M 2024-02-13 $116.81
2023 Q4 REDUCED 287,900 -1,930,169 -87.0% 0.06% $31.4M 2024-02-13 $116.81
2023 Q4 ADDED 2,218,069 +1,003,895 +82.7% 0.47% $241.8M 2024-02-13 $116.81
2023 Q3 ADDED 1,214,174 +1,150,374 +1803.1% 0.33% $125.0M 2023-11-13 $94.74
2023 Q3 REDUCED 63,800 -163,200 -71.9% 0.02% $6.6M 2023-11-13 $94.74
2023 Q3 REDUCED 227,000 -157,147 -40.9% 0.06% $23.4M 2023-11-13 $94.74
18 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 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%

FAQ About Qube Research & Technologies Ltd and MRK

These are the practical questions this page is built to answer before you even open the full history table.

How long has Qube Research & Technologies Ltd reported owning MRK?

Qube Research & Technologies Ltd reported MRK across 27 quarterly 13F filings, from 2023 Q3 through 2025 Q4.

What was the largest reported MRK position in Qube Research & Technologies Ltd's portfolio?

The largest reported portfolio weight for MRK was 0.84% in 2024 Q2.

What is the latest reported MRK position on this page?

The most recent filing on this page is 2025 Q4, when Qube Research & Technologies Ltd reported 600,700 shares, equal to 0.06% of portfolio, with an estimated market value of $63.2M.

What does the chart on this MRK ownership page compare?

The chart compares Qube Research & Technologies Ltd's quarterly MRK portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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