Question 1

Which hedge funds and institutional investors hold IOSP?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for IOSP?

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 IOSP?

Accepted Answer

QoQ changes for IOSP 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	964.3K	$70.4M	0.0%	$2896.4B
Two Sigma	593.0K	$43.3M	0.0%	$123.9B
DE Shaw	246.3K	$18.0M	0.0%	$166.3B
Point72	166.8K	$12.2M	0.0%	$78.1B
Hotchkis & Wiley	120.8K	$8.8M	0.0%	$32.4B
Citadel	119.9K	$8.8M	0.0%	$618.5B
Renaissance Tech	118.9K	$8.7M	0.0%	$63.9B
Invesco	98.7K	$7.2M	0.0%	$653.3B
BlackRock	96.8K	$7.1M	0.0%	$5723.5B
Geode Capital	87.4K	$6.4M	0.0%	$1607.5B
Millennium	61.4K	$4.5M	0.0%	$240.3B
American Century	55.2K	$4.0M	0.0%	$194.3B
DFA	44.4K	$3.2M	0.0%	$481.4B
PDT Partners	34.6K	$2.5M	0.1%	$1.7B
Marshall Wace	29.0K	$2.1M	0.0%	$100.4B
Schonfeld	26.3K	$1.9M	0.0%	$14.2B
Brevan Howard	24.4K	$1.8M	0.0%	$11.3B
Arrowstreet	18.5K	$1.4M	0.0%	$184.8B
Gotham Asset	7.7K	$560K	0.0%	$32.7B
Man Group	7.6K	$556K	0.0%	$55.1B
Northern Trust	6.2K	$451K	0.0%	$756.6B
Bridgewater	6.0K	$434K	0.0%	$22.4B
Caxton	4.7K	$345K	0.0%	$4.4B
Tudor	3.8K	$276K	0.0%	$53.9B
Franklin Templeton	634	$46K	—	$408.3B
Fidelity (FMR)	333	$24K	—	$1898.4B
AQR Capital	260	$19K	—	$218.4B
Acadian	122.6K	$9K	0.0%	$70.5M

IOSP

Who Holds IOSP

Changes This Quarter