Question 1

Which hedge funds and institutional investors hold ISTR?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for ISTR?

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 ISTR?

Accepted Answer

QoQ changes for ISTR 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	250.8K	$6.8M	0.0%	$535.5B
State Street	177.0K	$4.8M	0.0%	$2896.4B
Arrowstreet	163.3K	$4.5M	0.0%	$184.8B
Renaissance Tech	105.3K	$2.9M	0.0%	$63.9B
American Century	97.3K	$2.7M	0.0%	$194.3B
Geode Capital	43.4K	$1.2M	0.0%	$1607.5B
Citadel	32.0K	$873K	0.0%	$618.5B
AQR Capital	25.6K	$698K	0.0%	$218.4B
Two Sigma	24.7K	$675K	0.0%	$123.9B
Millennium	23.5K	$642K	0.0%	$240.3B
DFA	20.4K	$556K	0.0%	$481.4B
Point72	10.9K	$297K	0.0%	$78.1B
BlackRock	7.5K	$204K	—	$5723.5B
Invesco	7.1K	$193K	—	$653.3B
Northern Trust	515	$14K	—	$756.6B
Fidelity (FMR)	186	$5K	—	$1898.4B

ISTR

Who Holds ISTR

Changes This Quarter