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Rock Springs Capital Management’s Idexx Laboratories IDXX Stock Holding History

Rock Springs Capital 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
2024
Q3 		– Sell
-119,500
Closed -$58.2M – 114
2024
Q2 		$58.2M Sell
119,500
-59,750
-33% -$30M 1.75% 16
2024
Q1 		$96.8M Hold
179,250
– – 2.46% 8
2023
Q4 		$99.5M Sell
179,250
-15,250
-8% -$7.16M 2.45% 12
2023
Q3 		$85M Hold
194,500
– – 2.28% 12
2023
Q2 		$97.7M Sell
194,500
-13,000
-6% -$6.23M 2.32% 13
2023
Q1 		$104M Hold
207,500
– – 2.48% 11
2022
Q4 		$84.7M Sell
207,500
-16,815
-7% -$6.53M 2.04% 12
2022
Q3 		$73.1M Buy
224,315
+565
+0.3% +$208K 1.89% 13
2022
Q2 		$78.5M Buy
223,750
+5,000
+2% +$2.04M 2.28% 10
2022
Q1 		$120M Buy
218,750
+38,750
+22% +$20.4M 3.01% 5
2021
Q4 		$119M Hold
180,000
– – 2.74% 7
2021
Q3 		$112M Hold
180,000
– – 2.35% 8
2021
Q2 		$114M Hold
180,000
– – 2.25% 6
2021
Q1 		$88.1M Buy
180,000
+55,000
+44% +$27.6M 1.92% 13
2020
Q4 		$62.5M Hold
125,000
– – 1.32% 23
2020
Q3 		$49.1M Hold
125,000
– – 1.25% 25
2020
Q2 		$41.3M Hold
125,000
– – 1.13% 30
2020
Q1 		$30.3M Buy
125,000
+4,800
+4% +$1.25M 1.25% 30
2019
Q4 		$31.4M Hold
120,200
– – 0.99% 34
2019
Q3 		$32.7M Hold
120,200
– – 1.3% 25
2019
Q2 		$33.1M Hold
120,200
– – 1.2% 24
2019
Q1 		$26.9M Buy
120,200
+9,700
+9% +$2M 1.04% 30
2018
Q4 		$20.6M Buy
110,500
+27,000
+32% +$5.54M 0.97% 32
2018
Q3 		$20.8M Buy
83,500
+11,500
+16% +$2.79M 0.75% 43
2018
Q2 		$15.7M Buy
72,000
+9,000
+14% +$1.85M 0.6% 62
2018
Q1 		$12.1M Buy
+63,000
New +$11.6M 0.51% 69
2016
Q1 		– Sell
-127,500
Closed -$9.3M – 130
2015
Q4 		$9.3M Buy
127,500
+15,000
+13% +$1.07M 0.7% 49
2015
Q3 		$8.35M Buy
112,500
+1,500
+1% +$107K 0.68% 52
2015
Q2 		$7.12M Buy
+111,000
New +$7.68M 0.52% 72

Other funds holding IDXX

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
Fundsmith LLP
Fundsmith LLP London, United Kingdom $12.8B AUM 6.9% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Rock Springs Capital Management's IDXX Position: Q3 2024 in Review

Rock Springs Capital Management sold out of Idexx Laboratories (IDXX) in Q3 2024, closing a stake of 119,500 shares — an estimated $58.2M sold.

Rock Springs Capital Management first reported a position in IDXX in Q2 2015 and held it in 29 quarters. The position peaked at $120M in Q1 2022. 1,116 funds tracked by Wall St. Rank hold IDXX as of Q3 2024.

  • Rock Springs Capital Management reported no remaining Idexx Laboratories position as of Q3 2024 after selling out during the quarter.
  • Rock Springs Capital Management sold 119,500 Idexx Laboratories shares in Q3 2024, an estimated $58.2M.
  • Rock Springs Capital Management first reported a position in Idexx Laboratories in Q2 2015 and held it in 29 quarters.
  • Rock Springs Capital Management's Idexx Laboratories position peaked at $120M in Q1 2022.
  • 1,116 funds tracked by Wall St. Rank held Idexx Laboratories as of Q3 2024.

Based on Rock Springs Capital Management's 13F filing for Q3 2024, filed 14 Nov 2024.