MAM
CWCO icon

Martingale Asset Management’s Consolidated Water Co CWCO Stock Holding History

Martingale Asset Management’s Portfolio CWCO Stock Details CWCO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$998K Buy
30,122
+2,090
+7% +$75K 0.03% 492
2025
Q4 		$989K Sell
28,032
-246
-0.9% -$8.58K 0.03% 476
2025
Q3 		$998K Buy
28,278
+1,260
+5% +$40.1K 0.03% 483
2025
Q2 		$811K Buy
27,018
+1,220
+5% +$31.6K 0.02% 516
2025
Q1 		$632K Buy
25,798
+440
+2% +$11.7K 0.02% 565
2024
Q4 		$657K Buy
25,358
+200
+0.8% +$5.09K 0.02% 563
2024
Q3 		$634K Buy
25,158
+1,641
+7% +$43.8K 0.01% 576
2024
Q2 		$624K Buy
23,517
+650
+3% +$17K 0.01% 552
2024
Q1 		$670K Buy
22,867
+600
+3% +$18.4K 0.01% 555
2023
Q4 		$793K Buy
22,267
+9,433
+74% +$311K 0.02% 502
2023
Q3 		$365K Buy
+12,834
New +$317K 0.01% 657
2020
Q4 		– Sell
-48,910
Closed -$510K – 918
2020
Q3 		$510K Sell
48,910
-62,500
-56% -$758K 0.01% 809
2020
Q2 		$1.61M Hold
111,410
– – 0.02% 600
2020
Q1 		$1.83M Buy
111,410
+20,900
+23% +$348K 0.02% 505
2019
Q4 		$1.48M Buy
90,510
+23,100
+34% +$381K 0.02% 674
2019
Q3 		$1.11M Buy
+67,410
New +$990K 0.01% 744
2018
Q4 		– Sell
-15,000
Closed -$208K – 990
2018
Q3 		$208K Sell
15,000
-33,034
-69% -$457K ﹤0.01% 935
2018
Q2 		$620K Sell
48,034
-4,534
-9% -$60.5K 0.01% 827
2018
Q1 		$765K Buy
52,568
+36,566
+229% +$483K 0.01% 768
2017
Q4 		$202K Buy
16,002
+4,100
+34% +$51.8K ﹤0.01% 922
2017
Q3 		$153K Hold
11,902
– – ﹤0.01% 936
2017
Q2 		$148K Sell
11,902
-1,598
-12% -$19K ﹤0.01% 925
2017
Q1 		$158K Sell
13,500
-7
-0.1% -$74 ﹤0.01% 917
2016
Q4 		$147K Buy
+13,507
New +$149K ﹤0.01% 949
2016
Q3 		– Sell
-10,805
Closed -$142K – 956
2016
Q2 		$142K Buy
+10,805
New +$144K ﹤0.01% 820

Other funds holding CWCO

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
AC
AltraVue Capital Bellevue, Washington $1.16B AUM 46.45% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
TCMG
TSP Capital Management Group Summit, New Jersey $418M AUM 68.45% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
HA
Heartland Advisors Milwaukee, Wisconsin $1.96B AUM 28.26% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Martingale Asset Management's CWCO Position: Q1 2026 in Review

Martingale Asset Management increased its Consolidated Water Co (CWCO) stake by 7.5% in Q1 2026, buying an estimated $75K and bringing the position to 30,122 shares worth $998K. The position accounts for 0.03% of the portfolio, ranked #492.

Martingale Asset Management first reported a position in CWCO in Q2 2016 and has held it in 25 quarters since. The position peaked at $1.83M in Q1 2020. 174 funds tracked by Wall St. Rank hold CWCO as of Q1 2026.

  • Martingale Asset Management held 30,122 shares of Consolidated Water Co worth $998K as of Q1 2026.
  • Martingale Asset Management bought 2,090 Consolidated Water Co shares in Q1 2026, an estimated $75K.
  • Consolidated Water Co made up 0.03% of Martingale Asset Management's portfolio in Q1 2026, its #492 holding.
  • Martingale Asset Management first reported a position in Consolidated Water Co in Q2 2016 and has held it in 25 quarters since.
  • Martingale Asset Management's Consolidated Water Co position peaked at $1.83M in Q1 2020.
  • 174 funds tracked by Wall St. Rank held Consolidated Water Co as of Q1 2026.

Based on Martingale Asset Management's 13F filing for Q1 2026, filed 13 May 2026.