JENNISON ASSOCIATES LLC has opened a new $585.2M position in $MRK, per a new SEC 13F filing. This disclosure reflects the funds' holdings for the 12-31-2025 report period. You can see the fund's full portfolio on Quiver Quantitative, and also track the largest institutional owners of $MRK.
$MRK Hedge Fund Activity
We have seen 1,576 institutional investors add shares of $MRK stock to their portfolio, and 1,571 decrease their positions in their most recent quarter.
Here are some of the largest recent moves:
- UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC added 14,366,401 shares (+57.2%) to their portfolio in Q3 2025, for an estimated $1,205,772,035
- FRANKLIN RESOURCES INC removed 10,285,611 shares (-38.0%) from their portfolio in Q3 2025, for an estimated $863,271,331
- D. E. SHAW & CO., INC. removed 6,899,937 shares (-66.6%) from their portfolio in Q3 2025, for an estimated $579,111,712
- JENNISON ASSOCIATES LLC added 5,559,488 shares (+inf%) to their portfolio in Q4 2025, for an estimated $585,191,706
- ASSENAGON ASSET MANAGEMENT S.A. removed 4,955,092 shares (-90.1%) from their portfolio in Q4 2025, for an estimated $521,572,983
- BLACKROCK, INC. removed 3,464,232 shares (-1.6%) from their portfolio in Q3 2025, for an estimated $290,752,991
- JPMORGAN CHASE & CO added 3,379,875 shares (+10.6%) to their portfolio in Q3 2025, for an estimated $283,672,908
To track hedge funds' stock portfolios, check out Quiver Quantitative's institutional holdings dashboard.
$MRK Insider Trading Activity
$MRK insiders have traded $MRK stock on the open market 2 times in the past 6 months. Of those trades, 0 have been purchases and 2 have been sales.
Here’s a breakdown of recent trading of $MRK stock by insiders over the last 6 months:
- DAVID MICHAEL WILLIAMS (EVP,Chief Info&Digital Officer) sold 8,614 shares for an estimated $720,039
- CRISTAL N DOWNING (Chief Comm. & Public Afrs Ofcr) sold 7,085 shares for an estimated $616,395
To track insider transactions, check out Quiver Quantitative's insider trading dashboard.
$MRK Government Contracts
We have seen $6,629,302 of award payments to $MRK over the last year.
Here are some of the awards which we have have seen pay out the most over the last year:
- ERVEBO PROCUREMENT: $2,843,515
- VACCINE STORAGE AND ROTATION, 2021-2026: $1,267,628
- WA COLUMBIA RIV FPO PIT TAGS URGENT: $499,552
- EMERGENCY WINREVAIR: $347,167
- OR-KLAMATH FALLS FWO-BIOMARK PURCH REQUE: $297,003
To track government contracts to publicy traded companies, check out Quiver Quantitative's government contracts dashboard.
$MRK Congressional Stock Trading
Members of Congress have traded $MRK stock 9 times in the past 6 months. Of those trades, 4 have been purchases and 5 have been sales.
Here’s a breakdown of recent trading of $MRK stock by members of Congress over the last 6 months:
- REPRESENTATIVE GILBERT RAY CISNEROS, JR. has traded it 3 times. They made 3 purchases worth up to $45,000 on 12/19, 11/18, 08/05 and 0 sales.
- REPRESENTATIVE JULIE JOHNSON has traded it 3 times. They made 0 purchases and 3 sales worth up to $45,000 on 12/18, 11/13, 08/14.
- REPRESENTATIVE VAL T. HOYLE sold up to $15,000 on 09/23.
- REPRESENTATIVE MARJORIE TAYLOR GREENE purchased up to $15,000 on 08/28.
- REPRESENTATIVE LISA C. MCCLAIN sold up to $15,000 on 08/04.
To track congressional stock trading, check out Quiver Quantitative's congressional trading dashboard.
$MRK Analyst Ratings
Wall Street analysts have issued reports on $MRK in the last several months. We have seen 2 firms issue buy ratings on the stock, and 0 firms issue sell ratings.
Here are some recent analyst ratings:
- B of A Securities issued a "Buy" rating on 12/15/2025
- Wells Fargo issued a "Overweight" rating on 11/24/2025
To track analyst ratings and price targets for $MRK, check out Quiver Quantitative's $MRK forecast page.
$MRK Price Targets
Multiple analysts have issued price targets for $MRK recently. We have seen 12 analysts offer price targets for $MRK in the last 6 months, with a median target of $120.0.
Here are some recent targets:
- Geoff Meacham from Citigroup set a target price of $115.0 on 01/27/2026
- Steve Scala from TD Cowen set a target price of $120.0 on 01/20/2026
- Alexandria Hammond from Wolfe Research set a target price of $135.0 on 01/08/2026
- Trung Huynh from UBS set a target price of $130.0 on 01/07/2026
- Evan David Seigerman from BMO Capital set a target price of $130.0 on 12/18/2025
- Tim Anderson from B of A Securities set a target price of $120.0 on 12/15/2025
- Terence Flynn from Morgan Stanley set a target price of $102.0 on 12/12/2025
Note that there may be inaccuracies in these estimates due to filing errors by the funds, parsing errors by us, or other anomalies.
Check out Quiver Quantitative's $MRK ticker page for more data.