Adage Capital Partners’s Ecolab ECL Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$30.1M Sell
113,325
-116,800
-51% -$33M 0.05% 364
2025
Q4
$60.4M Buy
230,125
+28,000
+14% +$7.46M 0.09% 210
2025
Q3
$55.4M Buy
202,125
+26,000
+15% +$7.06M 0.09% 218
2025
Q2
$47.5M Sell
176,125
-8,900
-5% -$2.26M 0.08% 247
2025
Q1
$46.9M Buy
185,025
+16,600
+10% +$4.18M 0.09% 239
2024
Q4
$39.5M Sell
168,425
-79,300
-32% -$19.7M 0.07% 269
2024
Q3
$63.3M Buy
247,725
+3,900
+2% +$954K 0.11% 195
2024
Q2
$58M Sell
243,825
-5,100
-2% -$1.18M 0.11% 195
2024
Q1
$57.5M Buy
248,925
+32,400
+15% +$6.87M 0.11% 206
2023
Q4
$42.9M Sell
216,525
-35,700
-14% -$6.42M 0.09% 229
2023
Q3
$42.7M Buy
252,225
+5,400
+2% +$982K 0.1% 227
2023
Q2
$46.1M Sell
246,825
-1,300
-0.5% -$224K 0.1% 203
2023
Q1
$41.1M Sell
248,125
-3,900
-2% -$608K 0.09% 255
2022
Q4
$36.7M Sell
252,025
-600
-0.2% -$88.2K 0.09% 268
2022
Q3
$36.5M Buy
252,625
+53,800
+27% +$8.73M 0.09% 242
2022
Q2
$30.6M Sell
198,825
-61,500
-24% -$10.2M 0.07% 296
2022
Q1
$46M Sell
260,325
-5,300
-2% -$996K 0.09% 234
2021
Q4
$62.3M Sell
265,625
-71,000
-21% -$16M 0.11% 183
2021
Q3
$70.2M Buy
336,625
+106,200
+46% +$23.3M 0.14% 156
2021
Q2
$47.5M Buy
230,425
+11,500
+5% +$2.5M 0.09% 219
2021
Q1
$46.9M Sell
218,925
-46,499
-18% -$9.89M 0.1% 219
2020
Q4
$57.4M Buy
265,424
+130,400
+97% +$27.2M 0.13% 183
2020
Q3
$27M Sell
135,024
-47,147
-26% -$9.42M 0.07% 302
2020
Q2
$36.2M Buy
+182,171
New +$35.3M 0.09% 243
2020
Q1
Sell
-353,980
Closed -$68.3M 748
2019
Q4
$68.3M Buy
353,980
+91,100
+35% +$17.3M 0.17% 159
2019
Q3
$52.1M Buy
262,880
+174,400
+197% +$35M 0.13% 194
2019
Q2
$17.5M Buy
+88,480
New +$16.5M 0.04% 394
2019
Q1
Sell
-37,169
Closed -$5.48M 701
2018
Q4
$5.48M Buy
37,169
+27,604
+289% +$4.22M 0.02% 597
2018
Q3
$1.5M Sell
9,565
-260,300
-96% -$38.6M ﹤0.01% 679
2018
Q2
$37.9M Sell
269,865
-79,800
-23% -$11.5M 0.09% 262
2018
Q1
$47.9M Sell
349,665
-19,240
-5% -$2.59M 0.11% 227
2017
Q4
$49.5M Sell
368,905
-97,167
-21% -$12.9M 0.11% 224
2017
Q3
$59.9M Buy
466,072
+234,258
+101% +$30.8M 0.15% 193
2017
Q2
$30.8M Buy
231,814
+31,977
+16% +$4.13M 0.08% 327
2017
Q1
$25M Sell
199,837
-176,900
-47% -$21.6M 0.06% 358
2016
Q4
$44.2M Sell
376,737
-30,200
-7% -$3.53M 0.12% 221
2016
Q3
$49.5M Buy
406,937
+17,300
+4% +$2.09M 0.14% 202
2016
Q2
$46.2M Sell
389,637
-12,200
-3% -$1.42M 0.13% 196
2016
Q1
$44.8M Sell
401,837
-201
-0% -$21.4K 0.12% 212
2015
Q4
$46M Sell
402,038
-2,900
-0.7% -$341K 0.12% 206
2015
Q3
$44.4M Sell
404,938
-265,000
-40% -$29.7M 0.12% 216
2015
Q2
$75.8M Buy
669,938
+75,000
+13% +$8.62M 0.19% 149
2015
Q1
$68M Sell
594,938
-1,050,609
-64% -$115M 0.17% 176
2014
Q4
$172M Buy
1,645,547
+998,409
+154% +$109M 0.42% 58
2014
Q3
$74.3M Sell
647,138
-206,000
-24% -$23.2M 0.18% 158
2014
Q2
$95M Buy
853,138
+143,500
+20% +$15.4M 0.25% 112
2014
Q1
$77.6M Buy
709,638
+293,000
+70% +$30.7M 0.21% 144
2013
Q4
$43.4M Buy
416,638
+8,000
+2% +$832K 0.12% 239
2013
Q3
$40.4M Sell
408,638
-530,000
-56% -$49.3M 0.12% 233
2013
Q2
$80M Buy
+938,638
New +$79.2M 0.25% 118

Other funds holding ECL

Adage Capital Partners's ECL Position: Q1 2026 in Review

Adage Capital Partners reduced its Ecolab (ECL) stake by 51% in Q1 2026, selling an estimated $33M and leaving 113,325 shares worth $30.1M. The position accounts for 0.05% of the portfolio, ranked #364.

Adage Capital Partners first reported a position in ECL in Q2 2013 and has held it in 50 quarters since. The position peaked at $172M in Q4 2014. 1,691 funds tracked by Wall St. Rank hold ECL as of Q1 2026.

  • Adage Capital Partners held 113,325 shares of Ecolab worth $30.1M as of Q1 2026.
  • Adage Capital Partners sold 116,800 Ecolab shares in Q1 2026, an estimated $33M.
  • Ecolab made up 0.05% of Adage Capital Partners's portfolio in Q1 2026, its #364 holding.
  • Adage Capital Partners first reported a position in Ecolab in Q2 2013 and has held it in 50 quarters since.
  • Adage Capital Partners's Ecolab position peaked at $172M in Q4 2014.
  • 1,691 funds tracked by Wall St. Rank held Ecolab as of Q1 2026.

Based on Adage Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.