Question 1

Which hedge funds and institutional investors hold RBBN?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for RBBN?

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 RBBN?

Accepted Answer

QoQ changes for RBBN 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	1.9M	$4.0M	0.0%	$2896.4B
DE Shaw	1.5M	$3.2M	0.0%	$166.3B
AQR Capital	1.3M	$2.7M	0.0%	$218.4B
Arrowstreet	1.2M	$2.6M	0.0%	$184.8B
Marshall Wace	619.5K	$1.3M	0.0%	$100.4B
Millennium	491.3K	$1.0M	0.0%	$240.3B
Geode Capital	332.1K	$704K	—	$1607.5B
Neuberger Berman (Eisman)	312.2K	$662K	0.0%	$131.4B
Citadel	251.9K	$534K	0.0%	$618.5B
American Century	212.4K	$450K	0.0%	$194.3B
ExodusPoint	196.9K	$417K	0.0%	$12.4B
DFA	152.3K	$323K	0.0%	$481.4B
Franklin Templeton	104.7K	$222K	0.0%	$408.3B
Winton	50.1K	$106K	0.0%	$2.9B
Schonfeld	21.8K	$46K	0.0%	$14.2B
Citadel	17.8K	$38K	—	$618.5B
Fidelity (FMR)	5.2K	$11K	—	$1898.4B
BlackRock	1.7K	$4K	—	$5723.5B
Acadian	1.4M	$3K	0.0%	$70.5M
Northern Trust	968	$2K	—	$756.6B
LSV	135.8K	$288	0.0%	$46.4M

RBBN

Who Holds RBBN

Changes This Quarter