Question 1

Which hedge funds and institutional investors hold GRBK?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for GRBK?

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 GRBK?

Accepted Answer

QoQ changes for GRBK 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	1.5M	$94.1M	0.0%	$2896.4B
Geode Capital	108.6K	$7.0M	0.0%	$1607.5B
DFA	87.7K	$5.6M	0.0%	$481.4B
American Century	69.7K	$4.5M	0.0%	$194.3B
BlackRock	69.7K	$4.5M	0.0%	$5723.5B
DE Shaw	54.7K	$3.5M	0.0%	$166.3B
Hotchkis & Wiley	46.9K	$3.0M	0.0%	$32.4B
Winton	42.5K	$2.7M	0.1%	$2.9B
AQR Capital	27.6K	$1.8M	0.0%	$218.4B
Citadel	21.5K	$1.4M	0.0%	$618.5B
Segall Bryant	18.7K	$1.2M	0.0%	$7.0B
Citadel	14.8K	$954K	0.0%	$618.5B
Citadel	14.4K	$928K	0.0%	$618.5B
Polen Capital	13.2K	$850K	0.0%	$14.5B
Northern Trust	9.4K	$608K	0.0%	$756.6B
Caxton	8.2K	$528K	0.0%	$4.4B
Millennium	7.8K	$503K	0.0%	$240.3B
Marshall Wace	5.0K	$322K	0.0%	$100.4B
Fidelity (FMR)	2.8K	$177K	—	$1898.4B
Franklin Templeton	41	$3K	—	$408.3B
LSV	23.8K	$2K	0.0%	$46.4M

GRBK

Who Holds GRBK

Changes This Quarter