Longfellow Investment Management’s Idexx Laboratories IDXX Stock Holding History

Longfellow Investment Management’s Portfolio IDXX Stock Details IDXX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-3	Closed	-$1.61K	–	281
2025 Q2	$1.61K	Hold	3	–	–	﹤0.01%	233
2025 Q1	$1.26K	Hold	3	–	–	﹤0.01%	244
2024 Q4	$1.24K	Hold	3	–	–	﹤0.01%	250
2024 Q3	$1.52K	Hold	3	–	–	﹤0.01%	227
2024 Q2	$1.46K	Hold	3	–	–	﹤0.01%	220
2024 Q1	$1.62K	Hold	3	–	–	﹤0.01%	232
2023 Q4	$1.67K	Hold	3	–	–	﹤0.01%	208
2023 Q3	$1.31K	Hold	3	–	–	﹤0.01%	205
2023 Q2	$1.51K	Hold	3	–	–	﹤0.01%	226
2023 Q1	$1.5K	Hold	3	–	–	﹤0.01%	230
2022 Q4	$1.22K	Buy	+3	New	+$1.17K	﹤0.01%	241
2022 Q2	–	Sell	-1	Closed	-$1K	–	386
2022 Q1	$1K	Hold	1	–	–	﹤0.01%	370
2021 Q4	$1K	Buy	+1	New	+$628	﹤0.01%	372

Other funds holding IDXX

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Fundsmith LLP London, United Kingdom $13.6B AUM 7.6% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Longfellow Investment Management's IDXX Position: Q3 2025 in Review

Longfellow Investment Management sold out of Idexx Laboratories (IDXX) in Q3 2025, closing a stake of 3 shares — an estimated $1.61K sold.

Longfellow Investment Management first reported a position in IDXX in Q4 2021 and held it in 13 quarters. The position peaked at $1.67K in Q4 2023. 1,303 funds tracked by Wall St. Rank hold IDXX as of Q3 2025.

Longfellow Investment Management reported no remaining Idexx Laboratories position as of Q3 2025 after selling out during the quarter.
Longfellow Investment Management sold 3 Idexx Laboratories shares in Q3 2025, an estimated $1.61K.
Longfellow Investment Management first reported a position in Idexx Laboratories in Q4 2021 and held it in 13 quarters.
Longfellow Investment Management's Idexx Laboratories position peaked at $1.67K in Q4 2023.
1,303 funds tracked by Wall St. Rank held Idexx Laboratories as of Q3 2025.

Based on Longfellow Investment Management's 13F filing for Q3 2025, filed 12 Nov 2025.