Question 1

Which hedge funds and institutional investors hold MAS?

Accepted Answer

StonkWhisper tracks 13F filings submitted to the SEC by institutional investment managers with over $100 million in assets. The whale tracker for MAS 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 MAS whale holdings?

Accepted Answer

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

Question 3

How current is the whale data for MAS?

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 MAS?

Accepted Answer

QoQ changes for MAS 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	10.0M	$601.2M	0.0%	$2896.4B
Harris (Oakmark)	8.4M	$509.7M	0.7%	$75.0B
American Century	1.9M	$112.5M	0.1%	$194.3B
Capital World	1.6M	$98.1M	0.0%	$732.9B
Renaissance Tech	1.1M	$68.5M	0.1%	$63.9B
Arrowstreet	1.1M	$64.7M	0.0%	$184.8B
Geode Capital	656.4K	$39.6M	0.0%	$1607.5B
WorldQuant	528.6K	$31.9M	0.1%	$25.9B
Gotham Asset	442.6K	$26.7M	0.1%	$32.7B
Millennium	333.8K	$20.2M	0.0%	$240.3B
Winton	267.9K	$16.2M	0.6%	$2.9B
Artisan Partners	245.3K	$14.8M	0.0%	$62.3B
Yacktman	244.7K	$14.8M	0.2%	$7.5B
DFA	129.0K	$7.8M	0.0%	$481.4B
Citadel	126.3K	$7.6M	0.0%	$618.5B
Man Group	96.5K	$5.8M	0.0%	$55.1B
Hudson Bay	75.5K	$4.6M	0.0%	$29.0B
Wellington	48.7K	$2.9M	0.0%	$535.5B
Schonfeld	42.9K	$2.6M	0.0%	$14.2B
Two Sigma	42.4K	$2.6M	0.0%	$123.9B
Citadel	36.6K	$2.2M	0.0%	$618.5B
Citadel	31.2K	$1.9M	0.0%	$618.5B
Bridgewater	24.9K	$1.5M	0.0%	$22.4B
Fidelity (FMR)	23.9K	$1.4M	0.0%	$1898.4B
WCM	22.3K	$1.3M	0.0%	$43.8B
Schonfeld	18.1K	$1.1M	0.0%	$14.2B
AQR Capital	17.3K	$1.0M	0.0%	$218.4B
Northern Trust	13.7K	$827K	0.0%	$756.6B
BlackRock	11.8K	$713K	—	$5723.5B
Brevan Howard	7.4K	$445K	0.0%	$11.3B
GMO	6.2K	$375K	0.0%	$39.1B
Neuberger Berman (Eisman)	264	$16K	—	$131.4B
Franklin Templeton	130	$8K	—	$408.3B
Kayne Anderson	75	$5K	—	$34.0B

MAS

Who Holds MAS

Changes This Quarter