Question 1

Which hedge funds and institutional investors hold RIO?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for RIO?

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 RIO?

Accepted Answer

QoQ changes for RIO 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
Fisher Investments	20.1M	$1.9B	0.6%	$294.9B
Arrowstreet	3.7M	$346.1M	0.2%	$184.8B
GMO	2.0M	$187.0M	0.5%	$39.1B
Harding Loevner	2.0M	$184.0M	1.9%	$9.7B
Fidelity (FMR)	1.9M	$173.4M	0.0%	$1898.4B
Citadel	1.1M	$103.3M	0.0%	$618.5B
Renaissance Tech	965.8K	$90.1M	0.1%	$63.9B
ClearBridge	892.5K	$83.3M	0.1%	$114.9B
Wellington	624.6K	$58.3M	0.0%	$535.5B
American Century	595.5K	$55.6M	0.0%	$194.3B
Adage Capital	524.6K	$48.9M	0.1%	$64.8B
Citadel	336.5K	$31.4M	0.0%	$618.5B
DE Shaw	286.4K	$26.7M	0.0%	$166.3B
Gabelli	276.3K	$25.8M	0.2%	$14.8B
Citadel	254.9K	$23.8M	0.0%	$618.5B
Jennison	192.7K	$18.0M	0.0%	$145.4B
Bridgewater	114.2K	$10.7M	0.0%	$22.4B
Marshall Wace	114.0K	$10.6M	0.0%	$100.4B
DFA	110.9K	$10.3M	0.0%	$481.4B
Tudor	109.4K	$10.2M	0.0%	$53.9B
Tudor	101.0K	$9.4M	0.0%	$53.9B
Millennium	98.0K	$9.1M	0.0%	$240.3B
Millennium	89.3K	$8.3M	0.0%	$240.3B
Neuberger Berman (Eisman)	77.2K	$7.2M	0.0%	$131.4B
Man Group	67.9K	$6.3M	0.0%	$55.1B
Farallon Capital	53.8K	$5.0M	0.0%	$17.5B
DE Shaw	53.0K	$4.9M	0.0%	$166.3B
Northern Trust	32.0K	$3.0M	0.0%	$756.6B
Point72	20.6K	$1.9M	0.0%	$78.1B
Millennium	19.4K	$1.8M	0.0%	$240.3B
Horizon Kinetics	16.3K	$1.5M	0.0%	$9.2B
Gotham Asset	14.0K	$1.3M	0.0%	$32.7B
ExodusPoint	12.6K	$1.2M	0.0%	$12.4B
DE Shaw	10.0K	$933K	0.0%	$166.3B
Two Sigma	9.0K	$840K	0.0%	$123.9B
Kayne Anderson	6.7K	$620K	0.0%	$34.0B
Two Sigma	6.0K	$560K	0.0%	$123.9B
State Street	3.8K	$369K	—	$2896.4B
Dodge & Cox	3.0K	$280K	0.0%	$182.0B
Franklin Templeton	1.8K	$168K	—	$408.3B
AQR Capital	1.6K	$148K	0.0%	$218.4B
BlackRock	1.5K	$138K	—	$5723.5B
Baillie Gifford	136	$13K	—	$97.9B
LSV	36.1K	$3K	0.0%	$46.4M
Acadian	34.9K	$3K	0.0%	$70.5M

RIO

Who Holds RIO

Changes This Quarter