Question 1

Which hedge funds and institutional investors hold MUB?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for MUB?

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 MUB?

Accepted Answer

QoQ changes for MUB 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
Fidelity (FMR)	21.9M	$2.3B	0.1%	$1898.4B
Fisher Investments	11.6M	$1.2B	0.4%	$294.9B
Citadel	317.7K	$33.7M	0.0%	$618.5B
Soros Fund	241.4K	$25.6M	0.3%	$9.1B
Citadel	195.3K	$20.7M	0.0%	$618.5B
American Century	190.5K	$20.2M	0.0%	$194.3B
Citadel	165.2K	$17.5M	0.0%	$618.5B
Renaissance Tech	94.7K	$10.1M	0.0%	$63.9B
Kayne Anderson	75.4K	$8.0M	0.0%	$34.0B
Northern Trust	26.8K	$2.8M	0.0%	$756.6B
Tudor	10.6K	$1.1M	0.0%	$53.9B
AQR Capital	3.8K	$405K	0.0%	$218.4B
Neuberger Berman (Eisman)	3.3K	$354K	0.0%	$131.4B
Franklin Templeton	1.8K	$191K	—	$408.3B
BlackRock	478	$51K	—	$5723.5B

MUB

Who Holds MUB