SG Americas Securities
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SG Americas Securities’s Cytek Biosciences CTKB Stock Holding History

SG Americas Securities’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
2026
Q1 		$151K Sell
34,606
-29,681
-46% -$140K ﹤0.01% 2770
2025
Q4 		$325K Buy
64,287
+4,683
+8% +$21.7K ﹤0.01% 2716
2025
Q3 		$207K Buy
59,604
+46,956
+371% +$176K ﹤0.01% 2731
2025
Q2 		$43K Sell
12,648
-13,626
-52% -$45.4K ﹤0.01% 2776
2025
Q1 		$105K Buy
+26,274
New +$136K ﹤0.01% 3007
2024
Q3 		– Sell
-32,333
Closed -$180K – 3449
2024
Q2 		$180K Buy
+32,333
New +$194K ﹤0.01% 2221
2023
Q4 		– Sell
-188,813
Closed -$1.04M – 3165
2023
Q3 		$1.04M Buy
188,813
+48,816
+35% +$392K 0.01% 1230
2023
Q2 		$1.2M Buy
139,997
+56,086
+67% +$503K 0.01% 967
2023
Q1 		$771K Sell
83,911
-44,843
-35% -$482K 0.01% 1362
2022
Q4 		$1.31M Buy
128,754
+108,209
+527% +$1.45M 0.02% 794
2022
Q3 		$302K Sell
20,545
-10,245
-33% -$133K ﹤0.01% 1987
2022
Q2 		$330K Buy
+30,790
New +$306K ﹤0.01% 2318
2021
Q4 		– Sell
-6,890
Closed -$148K – 3452
2021
Q3 		$148K Buy
+6,890
New +$162K ﹤0.01% 3445

Other funds holding CTKB

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
TCM
Topline Capital Management Santa Monica, California $605M AUM 26.24% 1-Year Est. Return
HA
HHLR Advisors Grand Cayman, Cayman Islands $1.67B AUM 7.53% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

SG Americas Securities's CTKB Position: Q1 2026 in Review

SG Americas Securities reduced its Cytek Biosciences (CTKB) stake by 46% in Q1 2026, selling an estimated $140K and leaving 34,606 shares worth $151K. The position accounts for ﹤0.01% of the portfolio, ranked #2770.

SG Americas Securities first reported a position in CTKB in Q3 2021 and has held it in 13 quarters since. The position peaked at $1.31M in Q4 2022. 165 funds tracked by Wall St. Rank hold CTKB as of Q1 2026.

  • SG Americas Securities held 34,606 shares of Cytek Biosciences worth $151K as of Q1 2026.
  • SG Americas Securities sold 29,681 Cytek Biosciences shares in Q1 2026, an estimated $140K.
  • Cytek Biosciences made up ﹤0.01% of SG Americas Securities's portfolio in Q1 2026, its #2770 holding.
  • SG Americas Securities first reported a position in Cytek Biosciences in Q3 2021 and has held it in 13 quarters since.
  • SG Americas Securities's Cytek Biosciences position peaked at $1.31M in Q4 2022.
  • 165 funds tracked by Wall St. Rank held Cytek Biosciences as of Q1 2026.

Based on SG Americas Securities's 13F filing for Q1 2026, filed 16 Apr 2026.