Bank of Montreal
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Bank of Montreal’s Cytek Biosciences CTKB Stock Holding History

Bank of Montreal’s Portfolio CTKB Stock Details CTKB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-33,072
Closed -$112K – 3581
2025
Q2 		$112K Buy
33,072
+17,379
+111% +$57.9K ﹤0.01% 2961
2025
Q1 		$62.9K Buy
15,693
+4,608
+42% +$23.9K ﹤0.01% 3022
2024
Q4 		$71.9K Sell
11,085
-911
-8% -$5.43K ﹤0.01% 3032
2024
Q3 		$64.7K Buy
11,996
+1,700
+17% +$9.64K ﹤0.01% 3355
2024
Q2 		$57.5K Buy
10,296
+116
+1% +$697 ﹤0.01% 3398
2024
Q1 		$68.6K Buy
10,180
+35
+0.3% +$277 ﹤0.01% 3382
2023
Q4 		$96.4K Buy
+10,145
New +$63.9K ﹤0.01% 3386
2023
Q2 		– Sell
-10,625
Closed -$102K – 4016
2023
Q1 		$102K Sell
10,625
-665
-6% -$7.15K ﹤0.01% 3235
2022
Q4 		$126K Buy
+11,290
New +$152K ﹤0.01% 3301

Other funds holding CTKB

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Focus Partners Wealth
Focus Partners Wealth Boston, Massachusetts $89.9B AUM 20.5% 1-Year Est. Return
TCM
Topline Capital Management Santa Monica, California $605M AUM 26.24% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
HA
HHLR Advisors Grand Cayman, Cayman Islands $1.67B AUM 7.53% 1-Year Est. Return
BCM
Brown Capital Management Baltimore, Maryland $704M AUM 6.25% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 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 CTKB Position: Q3 2025 in Review

Bank of Montreal sold out of Cytek Biosciences (CTKB) in Q3 2025, closing a stake of 33,072 shares — an estimated $112K sold.

Bank of Montreal first reported a position in CTKB in Q4 2022 and held it in 9 quarters. The position peaked at $126K in Q4 2022. 153 funds tracked by Wall St. Rank hold CTKB as of Q3 2025.

  • Bank of Montreal reported no remaining Cytek Biosciences position as of Q3 2025 after selling out during the quarter.
  • Bank of Montreal sold 33,072 Cytek Biosciences shares in Q3 2025, an estimated $112K.
  • Bank of Montreal first reported a position in Cytek Biosciences in Q4 2022 and held it in 9 quarters.
  • Bank of Montreal's Cytek Biosciences position peaked at $126K in Q4 2022.
  • 153 funds tracked by Wall St. Rank held Cytek Biosciences as of Q3 2025.

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