Mackenzie Financial
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Mackenzie Financial’s A10 Networks ATEN Stock Holding History

Mackenzie Financial’s Portfolio ATEN Stock Details ATEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-44,129
Closed -$1.02M – 1567
2026
Q1 		$1.02M Sell
44,129
-56,142
-56% -$1.1M ﹤0.01% 1078
2025
Q4 		$1.79M Sell
100,271
-2,405
-2% -$42.6K ﹤0.01% 907
2025
Q3 		$1.86M Sell
102,676
-127,835
-55% -$2.31M ﹤0.01% 858
2025
Q2 		$4.46M Buy
230,511
+96,246
+72% +$1.64M 0.01% 630
2025
Q1 		$2.19M Sell
134,265
-21,009
-14% -$403K ﹤0.01% 755
2024
Q4 		$2.86M Buy
155,274
+57,354
+59% +$936K ﹤0.01% 677
2024
Q3 		$1.41M Buy
97,920
+51,858
+113% +$699K ﹤0.01% 791
2024
Q2 		$638K Buy
46,062
+6,217
+16% +$88.6K ﹤0.01% 960
2024
Q1 		$545K Buy
39,845
+1,035
+3% +$13.9K ﹤0.01% 1000
2023
Q4 		$511K Buy
38,810
+2,348
+6% +$28.5K ﹤0.01% 993
2023
Q3 		$553K Buy
36,462
+9,558
+36% +$142K ﹤0.01% 980
2023
Q2 		$384K Sell
26,904
-2,893
-10% -$41.9K ﹤0.01% 1096
2023
Q1 		$462K Buy
29,797
+6,916
+30% +$106K ﹤0.01% 1048
2022
Q4 		$381K Buy
22,881
+12,004
+110% +$206K ﹤0.01% 1018
2022
Q3 		$144K Buy
10,877
+144
+1% +$2.05K ﹤0.01% 1280
2022
Q2 		$154K Sell
10,733
-52
-0.5% -$753 ﹤0.01% 1308
2022
Q1 		$150K Buy
+10,785
New +$152K ﹤0.01% 1319
2021
Q1 		– Sell
-63,985
Closed -$631K – 1123
2020
Q4 		$631K Sell
63,985
-68,615
-52% -$539K ﹤0.01% 793
2020
Q3 		$845K Buy
+132,600
New +$1.02M ﹤0.01% 701
2020
Q1 		– Sell
-23,769
Closed -$163K – 1079
2019
Q4 		$163K Buy
+23,769
New +$160K ﹤0.01% 1045

Other funds holding ATEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
PCM
Penserra Capital Management Orinda, California $13B AUM 71.84% 1-Year Est. Return
BTW
Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Mackenzie Financial's ATEN Position: Q2 2026 in Review

Mackenzie Financial sold out of A10 Networks (ATEN) in Q2 2026, closing a stake of 44,129 shares — an estimated $1.02M sold.

Mackenzie Financial first reported a position in ATEN in Q4 2019 and held it in 20 quarters. The position peaked at $4.46M in Q2 2025. 311 funds tracked by Wall St. Rank hold ATEN as of Q2 2026.

  • Mackenzie Financial reported no remaining A10 Networks position as of Q2 2026 after selling out during the quarter.
  • Mackenzie Financial sold 44,129 A10 Networks shares in Q2 2026, an estimated $1.02M.
  • Mackenzie Financial first reported a position in A10 Networks in Q4 2019 and held it in 20 quarters.
  • Mackenzie Financial's A10 Networks position peaked at $4.46M in Q2 2025.
  • 311 funds tracked by Wall St. Rank held A10 Networks as of Q2 2026.

Based on Mackenzie Financial's 13F filing for Q2 2026, filed 13 Aug 2026.