Question 1

Which hedge funds and institutional investors hold MRK?

Accepted Answer

StonkWhisper tracks 13F filings submitted to the SEC by institutional investment managers with over $100 million in assets. The whale tracker for MRK shows which major funds hold positions, their portfolio weight, share counts, and how those positions changed quarter over quarter.

Question 2

What does conviction level mean for MRK whale holdings?

Accepted Answer

Conviction level reflects how significant MRK is within a fund's overall portfolio. A high-conviction position means the manager has allocated a large percentage of their portfolio to MRK, suggesting strong directional confidence in the stock.

Question 3

How current is the whale data for MRK?

Accepted Answer

Institutional 13F filings are required within 45 days of each calendar quarter end (March 31, June 30, September 30, December 31). StonkWhisper processes filings as they are published on SEC EDGAR, so data reflects the most recently reported quarter.

Question 4

What do quarter-over-quarter changes tell me about MRK?

Accepted Answer

QoQ changes for MRK show whether institutional managers are increasing, decreasing, initiating, or exiting their positions. New positions and significant increases can signal growing institutional conviction, while exits or decreases may indicate waning confidence.

Manager	Shares	Value	% of Portfolio	Manager AUM
State Street	119.3M	$14.5B	0.5%	$2896.4B
Fisher Investments	26.4M	$3.2B	1.1%	$294.9B
Harris (Oakmark)	11.9M	$1.4B	1.9%	$75.0B
AQR Capital	8.3M	$1.0B	0.5%	$218.4B
Geode Capital	8.0M	$962.9M	0.1%	$1607.5B
GMO	7.0M	$843.7M	2.2%	$39.1B
Citadel	5.6M	$667.8M	0.1%	$618.5B
American Century	5.5M	$667.4M	0.3%	$194.3B
Citadel	3.7M	$450.3M	0.1%	$618.5B
Thornburg	3.7M	$448.5M	4.7%	$9.6B
Arrowstreet	2.9M	$353.2M	0.2%	$184.8B
Marshall Wace	2.7M	$328.0M	0.3%	$100.4B
Adage Capital	2.7M	$323.3M	0.5%	$64.8B
Smead	2.5M	$297.3M	6.5%	$4.6B
Capital Research	2.1M	$248.0M	0.0%	$644.6B
DE Shaw	2.0M	$244.4M	0.1%	$166.3B
Millennium	2.0M	$237.1M	0.1%	$240.3B
Balyasny	1.8M	$218.0M	0.3%	$77.1B
Brandes	1.6M	$193.3M	1.4%	$14.1B
Mondrian	1.6M	$190.2M	2.8%	$6.7B
Millennium	1.6M	$187.2M	0.1%	$240.3B
Wellington	1.4M	$164.3M	0.0%	$535.5B
Artisan Partners	1.1M	$127.7M	0.2%	$62.3B
Point72	921.1K	$110.8M	0.1%	$78.1B
DE Shaw	868.2K	$104.4M	0.1%	$166.3B
DFA	826.8K	$99.5M	0.0%	$481.4B
Hudson Bay	800.0K	$96.2M	0.3%	$29.0B
DE Shaw	651.7K	$78.4M	0.0%	$166.3B
ClearBridge	577.8K	$69.5M	0.1%	$114.9B
Tudor	511.9K	$61.6M	0.1%	$53.9B
Gotham Asset	506.6K	$60.9M	0.2%	$32.7B
Farallon Capital	361.0K	$43.4M	0.2%	$17.5B
Millennium	318.2K	$38.3M	0.0%	$240.3B
Samlyn	294.9K	$35.5M	0.6%	$5.9B
Gabelli	288.5K	$34.7M	0.2%	$14.8B
Man Group	284.4K	$34.2M	0.1%	$55.1B
Man Group	283.4K	$34.1M	0.1%	$55.1B
Epoch	271.6K	$32.7M	0.2%	$16.5B
BlackRock	270.4K	$32.5M	0.0%	$5723.5B
Tudor	239.7K	$28.8M	0.1%	$53.9B
Fairfax	172.9K	$20.8M	1.1%	$1.9B
Point72	164.3K	$19.8M	0.0%	$78.1B
ExodusPoint	144.7K	$17.4M	0.1%	$12.4B
Dodge & Cox	136.1K	$16.4M	0.0%	$182.0B
Balyasny	110.1K	$13.2M	0.0%	$77.1B
Jennison	103.3K	$12.4M	0.0%	$145.4B
Hudson Bay	101.5K	$12.2M	0.0%	$29.0B
Neuberger Berman (Eisman)	84.3K	$10.1M	0.0%	$131.4B
Point72	68.7K	$8.3M	0.0%	$78.1B
Two Sigma	64.3K	$7.7M	0.0%	$123.9B
Two Sigma	58.9K	$7.1M	0.0%	$123.9B
Two Sigma	55.3K	$6.7M	0.0%	$123.9B
Citadel	52.6K	$6.3M	0.0%	$618.5B
Fidelity (FMR)	49.5K	$6.0M	0.0%	$1898.4B
PRIMECAP	35.9K	$4.3M	0.0%	$127.0B
Schonfeld	34.7K	$4.2M	0.0%	$14.2B
BlackRock	32.2K	$3.9M	0.0%	$5723.5B
Kayne Anderson	29.8K	$3.6M	0.0%	$34.0B
Horizon Kinetics	28.4K	$3.4M	0.0%	$9.2B
Segall Bryant	16.6K	$2.0M	0.0%	$7.0B
Balyasny	16.2K	$1.9M	0.0%	$77.1B
Brevan Howard	8.8K	$1.1M	0.0%	$11.3B
Edgewood	7.7K	$928K	0.0%	$15.5B
Franklin Templeton	5.5K	$667K	0.0%	$408.3B
LSV	5.1M	$612K	1.3%	$46.4M
Man Group	4.9K	$594K	0.0%	$55.1B
Acadian	4.2M	$505K	0.7%	$70.5M
Pzena	2.5K	$302K	0.0%	$30.8B
Northern Trust	875	$105K	—	$756.6B
Invesco	425	$51K	—	$653.3B

MRK

Who Holds MRK