Question 1

Which hedge funds and institutional investors hold MPB?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for MPB?

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 MPB?

Accepted Answer

QoQ changes for MPB 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
Wellington	2.3M	$73.1M	0.0%	$535.5B
State Street	553.7K	$17.8M	0.0%	$2896.4B
American Century	301.8K	$9.7M	0.0%	$194.3B
Hotchkis & Wiley	111.2K	$3.6M	0.0%	$32.4B
Franklin Templeton	109.1K	$3.5M	0.0%	$408.3B
Geode Capital	71.7K	$2.3M	0.0%	$1607.5B
Two Sigma	43.1K	$1.4M	0.0%	$123.9B
DE Shaw	32.8K	$1.1M	0.0%	$166.3B
Citadel	31.0K	$998K	0.0%	$618.5B
Invesco	19.8K	$638K	0.0%	$653.3B
Millennium	19.5K	$628K	0.0%	$240.3B
Renaissance Tech	18.7K	$602K	0.0%	$63.9B
DFA	18.4K	$593K	0.0%	$481.4B
BlackRock	17.6K	$567K	—	$5723.5B
Marshall Wace	15.0K	$482K	0.0%	$100.4B
ExodusPoint	13.3K	$429K	0.0%	$12.4B
Citadel	8.9K	$286K	—	$618.5B
Balyasny	8.3K	$266K	0.0%	$77.1B
Northern Trust	1.4K	$45K	—	$756.6B
Fidelity (FMR)	206	$7K	—	$1898.4B
AQR Capital	111	$4K	—	$218.4B
LSV	63.2K	$2K	0.0%	$46.4M
Acadian	13.1K	$420	0.0%	$70.5M

MPB

Who Holds MPB

Changes This Quarter