Massachusetts Financial Services’s Ero Copper ERO Stock Holding History

Massachusetts Financial Services’s Portfolio ERO Stock Details ERO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$43.7M	Buy	1,547,630 +1,330,663	+613%	+$37.7M	0.01%	526
2026 Q1	$7.82M	Buy	+216,967	New	+$6.52M	﹤0.01%	738
2023 Q3	–	Sell	-418,180	Closed	-$8.46M	–	848
2023 Q2	$8.46M	Buy	418,180 +312	+0.1%	+$5.9K	﹤0.01%	619
2023 Q1	$7.37M	Sell	417,868 -16,613	-4%	-$267K	﹤0.01%	625
2022 Q4	$5.97M	Sell	434,481 -9,367	-2%	-$116K	﹤0.01%	643
2022 Q3	$4.88M	Buy	443,848 +51,850	+13%	+$506K	﹤0.01%	654
2022 Q2	$3.31M	Sell	391,998 -1,155,960	-75%	-$14.4M	﹤0.01%	677
2022 Q1	$22.7M	Buy	1,547,958 +231,789	+18%	+$3.22M	0.01%	568
2021 Q4	$20.1M	Buy	1,316,169 +220,008	+20%	+$3.8M	0.01%	605
2021 Q3	$19.5M	Buy	+1,096,161	New	+$21M	0.01%	616

Other funds holding ERO

Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return

Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

GMT Capital Atlanta, Georgia $1.92B AUM 70.51% 1-Year Est. Return

CAAM

Cape Ann Asset Management London, United Kingdom $434M AUM 68.57% 1-Year Est. Return

Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

FCM

Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return

Massachusetts Financial Services's ERO Position: Q2 2026 in Review

Massachusetts Financial Services increased its Ero Copper (ERO) stake by 613% in Q2 2026, buying an estimated $37.7M and bringing the position to 1,547,630 shares worth $43.7M. The position accounts for 0.01% of the portfolio, ranked #526.

Massachusetts Financial Services first reported a position in ERO in Q3 2021 and has held it in 10 quarters since. 209 funds tracked by Wall St. Rank hold ERO as of Q2 2026.

Massachusetts Financial Services held 1,547,630 shares of Ero Copper worth $43.7M as of Q2 2026.
Massachusetts Financial Services bought 1,330,663 Ero Copper shares in Q2 2026, an estimated $37.7M.
Ero Copper made up 0.01% of Massachusetts Financial Services's portfolio in Q2 2026, its #526 holding.
Massachusetts Financial Services first reported a position in Ero Copper in Q3 2021 and has held it in 10 quarters since.
209 funds tracked by Wall St. Rank held Ero Copper as of Q2 2026.

Based on Massachusetts Financial Services's 13F filing for Q2 2026, filed 3 Aug 2026.