Bank of Montreal
ATEN icon

Bank of Montreal’s A10 Networks ATEN Stock Holding History

Bank of Montreal’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
2025
Q3 		– Sell
-11,719
Closed -$227K – 3527
2025
Q2 		$227K Sell
11,719
-33
-0.3% -$564 ﹤0.01% 2737
2025
Q1 		$192K Buy
+11,752
New +$226K ﹤0.01% 2742
2021
Q4 		– Sell
-344,140
Closed -$4.67M – 3495
2021
Q3 		$4.67M Buy
344,140
+174,421
+103% +$2.26M ﹤0.01% 1670
2021
Q2 		$1.95M Buy
169,719
+168,020
+9,889% +$1.63M ﹤0.01% 2079
2021
Q1 		$16K Sell
1,699
-7,756
-82% -$75.9K ﹤0.01% 4138
2020
Q4 		$87K Buy
9,455
+6,515
+222% +$51.2K ﹤0.01% 3657
2020
Q3 		$20K Sell
2,940
-1,992
-40% -$15.3K ﹤0.01% 3832
2020
Q2 		$36K Buy
+4,932
New +$33.1K ﹤0.01% 3582
2020
Q1 		– Sell
-6,218
Closed -$43K – 4092
2019
Q4 		$43K Buy
6,218
+1,258
+25% +$8.46K ﹤0.01% 3909
2019
Q3 		$34K Sell
4,960
-471
-9% -$3.39K ﹤0.01% 3808
2019
Q2 		$37K Sell
5,431
-18,807
-78% -$123K ﹤0.01% 3823
2019
Q1 		$171K Buy
24,238
+22,811
+1,599% +$155K ﹤0.01% 2792
2018
Q4 		$9K Buy
1,427
+391
+38% +$2.37K ﹤0.01% 3909
2018
Q3 		$6K Sell
1,036
-10
-1% -$68 ﹤0.01% 4055
2018
Q2 		$6K Buy
1,046
+354
+51% +$2.21K ﹤0.01% 4073
2018
Q1 		$4K Hold
692
– – ﹤0.01% 3944
2017
Q4 		$5K Sell
692
-100
-13% -$763 ﹤0.01% 3913
2017
Q3 		$6K Sell
792
-117,415
-99% -$799K ﹤0.01% 3824
2017
Q2 		$998K Sell
118,207
-32,932
-22% -$280K ﹤0.01% 1979
2017
Q1 		$1.38M Sell
151,139
-22,070
-13% -$195K ﹤0.01% 1731
2016
Q4 		$1.42M Buy
173,209
+144,850
+511% +$1.25M ﹤0.01% 1740
2016
Q3 		$303K Hold
28,359
– – ﹤0.01% 2281
2016
Q2 		$183K Hold
28,359
– – ﹤0.01% 2513
2016
Q1 		$168K Hold
28,359
– – ﹤0.01% 2561
2015
Q4 		$186K Buy
+28,359
New +$196K ﹤0.01% 2460

Other funds holding ATEN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
PCM
Penserra Capital Management Orinda, California $8.52B AUM 37.76% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Mirae Asset Global ETFs Holdings
Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $73.7B AUM 53.56% 1-Year Est. Return
BTW
Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Bank of Montreal's ATEN Position: Q3 2025 in Review

Bank of Montreal sold out of A10 Networks (ATEN) in Q3 2025, closing a stake of 11,719 shares — an estimated $227K sold.

Bank of Montreal first reported a position in ATEN in Q4 2015 and held it in 25 quarters. The position peaked at $4.67M in Q3 2021. 236 funds tracked by Wall St. Rank hold ATEN as of Q3 2025.

  • Bank of Montreal reported no remaining A10 Networks position as of Q3 2025 after selling out during the quarter.
  • Bank of Montreal sold 11,719 A10 Networks shares in Q3 2025, an estimated $227K.
  • Bank of Montreal first reported a position in A10 Networks in Q4 2015 and held it in 25 quarters.
  • Bank of Montreal's A10 Networks position peaked at $4.67M in Q3 2021.
  • 236 funds tracked by Wall St. Rank held A10 Networks as of Q3 2025.

Based on Bank of Montreal's 13F filing for Q3 2025, filed 13 Nov 2025.