Westpac Banking Corp’s Idexx Laboratories IDXX Stock Holding History

Westpac Banking Corp’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
2026 Q1	$419K	Sell	746 -184	-20%	-$118K	0.03%	280
2025 Q4	$629K	Hold	930	–	–	0.04%	253
2025 Q3	$594K	Hold	930	–	–	0.04%	253
2025 Q2	$499K	Sell	930 -4,536	-83%	-$2.17M	0.03%	257
2025 Q1	$2.3M	Buy	5,466 +4,436	+431%	+$1.93M	0.17%	143
2024 Q4	$426K	Sell	1,030 -4,100	-80%	-$1.8M	0.03%	289
2024 Q3	$2.59M	Buy	5,130 +900	+21%	+$437K	0.17%	139
2024 Q2	$2.06M	Sell	4,230 -3,700	-47%	-$1.86M	0.16%	132
2024 Q1	$4.28M	Buy	7,930 +6,488	+450%	+$3.55M	0.33%	83
2023 Q4	$800K	Buy	1,442 +145	+11%	+$68.1K	0.07%	213
2023 Q3	$567K	Sell	1,297 -1,113	-46%	-$555K	0.04%	291
2023 Q2	$1.21M	Sell	2,410 -19,323	-89%	-$9.26M	0.09%	242
2023 Q1	$10.9M	Sell	21,733 -4,703	-18%	-$2.25M	0.15%	182
2022 Q4	$10.8M	Buy	26,436 +19,778	+297%	+$7.68M	0.16%	171
2022 Q3	$2.17M	Hold	6,658	–	–	0.03%	493
2022 Q2	$2.34M	Sell	6,658 -4,370	-40%	-$1.78M	0.03%	507
2022 Q1	$6.03M	Sell	11,028 -554	-5%	-$291K	0.07%	345
2021 Q4	$7.63M	Sell	11,582 -312	-3%	-$196K	0.08%	305
2021 Q3	$7.4M	Hold	11,894	–	–	0.08%	325
2021 Q2	$7.51M	Buy	11,894 +2,012	+20%	+$1.11M	0.08%	332
2021 Q1	$4.84M	Sell	9,882 -14,558	-60%	-$7.29M	0.05%	418
2020 Q4	$12.2M	Sell	24,440 -1,719	-7%	-$769K	0.14%	185
2020 Q3	$10.3M	Sell	26,159 -15,180	-37%	-$5.61M	0.14%	183
2020 Q2	$13.6M	Buy	41,339 +8,538	+26%	+$2.47M	0.2%	124
2020 Q1	$7.95M	Sell	32,801 -30,040	-48%	-$7.84M	0.14%	196
2019 Q4	$16.4M	Buy	62,841 +34,540	+122%	+$9.1M	0.21%	128
2019 Q3	$7.7M	Sell	28,301 -3,200	-10%	-$890K	0.11%	272
2019 Q2	$8.67M	Buy	31,501 +24,400	+344%	+$6.01M	0.13%	212
2019 Q1	$1.59M	Hold	7,101	–	–	0.03%	470
2018 Q4	$1.32M	Hold	7,101	–	–	0.02%	528
2018 Q3	$1.77M	Sell	7,101 -24,330	-77%	-$5.91M	0.03%	451
2018 Q2	$6.85M	Buy	31,431 +26,472	+534%	+$5.45M	0.13%	211
2018 Q1	$949K	Hold	4,959	–	–	0.02%	500
2017 Q4	$775K	Hold	4,959	–	–	0.02%	518
2017 Q3	$771K	Sell	4,959 -36,091	-88%	-$5.71M	0.02%	566
2017 Q2	$6.63M	Sell	41,050 -12,600	-23%	-$2.05M	0.15%	200
2017 Q1	$8.29M	Sell	53,650 -4,800	-8%	-$662K	0.07%	288
2016 Q4	$6.88M	Sell	58,450 -5,800	-9%	-$662K	0.06%	308
2016 Q3	$7.24M	Sell	64,250 -12,695	-16%	-$1.34M	0.08%	271
2016 Q2	$7.15M	Buy	76,945 +4,245	+6%	+$365K	0.08%	284
2016 Q1	$5.69M	Buy	72,700 +51,900	+250%	+$3.74M	0.06%	324
2015 Q4	$1.52M	Buy	+20,800	New	+$1.48M	0.02%	501

Other funds holding IDXX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

Fundsmith LLP London, United Kingdom $12.8B AUM 6.9% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Westpac Banking Corp's IDXX Position: Q1 2026 in Review

Westpac Banking Corp reduced its Idexx Laboratories (IDXX) stake by 20% in Q1 2026, selling an estimated $118K and leaving 746 shares worth $419K. The position accounts for 0.03% of the portfolio, ranked #280.

Westpac Banking Corp first reported a position in IDXX in Q4 2015 and has held it in 42 quarters since. The position peaked at $16.4M in Q4 2019. 1,311 funds tracked by Wall St. Rank hold IDXX as of Q1 2026.

Westpac Banking Corp held 746 shares of Idexx Laboratories worth $419K as of Q1 2026.
Westpac Banking Corp sold 184 Idexx Laboratories shares in Q1 2026, an estimated $118K.
Idexx Laboratories made up 0.03% of Westpac Banking Corp's portfolio in Q1 2026, its #280 holding.
Westpac Banking Corp first reported a position in Idexx Laboratories in Q4 2015 and has held it in 42 quarters since.
Westpac Banking Corp's Idexx Laboratories position peaked at $16.4M in Q4 2019.
1,311 funds tracked by Wall St. Rank held Idexx Laboratories as of Q1 2026.

Based on Westpac Banking Corp's 13F filing for Q1 2026, filed 12 May 2026.