Question 1

Which hedge funds and institutional investors hold IDXX?

Accepted Answer

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

Accepted Answer

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

Question 3

How current is the whale data for IDXX?

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 IDXX?

Accepted Answer

QoQ changes for IDXX 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	3.7M	$2.1B	0.1%	$2896.4B
Arrowstreet	838.8K	$471.3M	0.3%	$184.8B
Capital Research	781.3K	$439.0M	0.1%	$644.6B
Polen Capital	695.8K	$391.0M	2.7%	$14.5B
American Century	599.9K	$337.1M	0.2%	$194.3B
Capital World	497.9K	$279.7M	0.0%	$732.9B
William Blair	351.6K	$197.6M	0.7%	$30.3B
ClearBridge	308.5K	$173.3M	0.2%	$114.9B
Geode Capital	249.0K	$139.9M	0.0%	$1607.5B
Epoch	172.7K	$97.0M	0.6%	$16.5B
Point72	129.3K	$72.6M	0.1%	$78.1B
WorldQuant	98.4K	$55.3M	0.2%	$25.9B
Gotham Asset	80.5K	$45.2M	0.1%	$32.7B
Millennium	70.4K	$39.6M	0.0%	$240.3B
Adage Capital	68.3K	$38.4M	0.1%	$64.8B
Tremblant	64.5K	$36.3M	1.2%	$3.1B
Renaissance Tech	48.5K	$27.3M	0.0%	$63.9B
Citadel	39.2K	$22.0M	0.0%	$618.5B
Millennium	33.5K	$18.8M	0.0%	$240.3B
Kayne Anderson	32.4K	$18.2M	0.1%	$34.0B
DFA	29.9K	$16.8M	0.0%	$481.4B
Citadel	23.7K	$13.3M	0.0%	$618.5B
Citadel	17.6K	$9.9M	0.0%	$618.5B
Select Equity	17.1K	$9.6M	0.0%	$19.5B
Schonfeld	15.0K	$8.4M	0.1%	$14.2B
BlackRock	12.2K	$6.9M	0.0%	$5723.5B
Bridgewater	10.3K	$5.8M	0.0%	$22.4B
Northern Trust	9.9K	$5.5M	0.0%	$756.6B
Tudor	8.3K	$4.7M	0.0%	$53.9B
Wellington	6.6K	$3.7M	0.0%	$535.5B
Neuberger Berman (Eisman)	6.0K	$3.4M	0.0%	$131.4B
Marshall Wace	3.3K	$1.9M	0.0%	$100.4B
Millennium	3.1K	$1.7M	0.0%	$240.3B
GMO	2.6K	$1.5M	0.0%	$39.1B
Winton	2.1K	$1.2M	0.0%	$2.9B
Balyasny	1.3K	$735K	0.0%	$77.1B
Two Sigma	941	$529K	0.0%	$123.9B
Conestoga	790	$444K	0.0%	$5.0B
DE Shaw	674	$379K	0.0%	$166.3B
Fisher Investments	599	$337K	0.0%	$294.9B
Franklin Templeton	594	$334K	0.0%	$408.3B
Harris (Oakmark)	482	$271K	0.0%	$75.0B
Gabelli	465	$261K	0.0%	$14.8B
AQR Capital	463	$257K	0.0%	$218.4B
Tudor	400	$225K	0.0%	$53.9B
Man Group	65	$37K	0.0%	$55.1B
Fidelity (FMR)	37	$21K	—	$1898.4B
Acadian	34.0K	$19K	0.0%	$70.5M
Invesco	21	$12K	—	$653.3B

IDXX

Who Holds IDXX

Changes This Quarter