New York State Teachers Retirement System (NYSTRS)
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New York State Teachers Retirement System (NYSTRS)’s Cytek Biosciences CTKB Stock Holding History

New York State Teachers Retirement System (NYSTRS)’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
Q2 		– Sell
-44,829
Closed -$196K – 1647
2026
Q1 		$196K Sell
44,829
-3,634
-7% -$17.2K ﹤0.01% 1480
2025
Q4 		$245K Hold
48,463
– – ﹤0.01% 1497
2025
Q3 		$168K Hold
48,463
– – ﹤0.01% 1525
2025
Q2 		$165K Hold
48,463
– – ﹤0.01% 1519
2025
Q1 		$194K Buy
48,463
+3,100
+7% +$16.1K ﹤0.01% 1511
2024
Q4 		$294K Hold
45,363
– – ﹤0.01% 1484
2024
Q3 		$251K Hold
45,363
– – ﹤0.01% 1507
2024
Q2 		$253K Sell
45,363
-10,025
-18% -$60.2K ﹤0.01% 1500
2024
Q1 		$372K Buy
55,388
+911
+2% +$7.21K ﹤0.01% 1463
2023
Q4 		$497K Buy
54,477
+1,100
+2% +$6.92K ﹤0.01% 1430
2023
Q3 		$295K Buy
53,377
+17,501
+49% +$140K ﹤0.01% 1480
2023
Q2 		$306K Buy
+35,876
New +$322K ﹤0.01% 1481

Other funds holding CTKB

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
HA
HHLR Advisors Grand Cayman, Cayman Islands $832M AUM 32.38% 1-Year Est. Return
TCM
Topline Capital Management Santa Monica, California $386M AUM 2.37% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS)'s CTKB Position: Q2 2026 in Review

New York State Teachers Retirement System (NYSTRS) sold out of Cytek Biosciences (CTKB) in Q2 2026, closing a stake of 44,829 shares — an estimated $196K sold.

New York State Teachers Retirement System (NYSTRS) first reported a position in CTKB in Q2 2023 and held it in 12 quarters. The position peaked at $497K in Q4 2023. 154 funds tracked by Wall St. Rank hold CTKB as of Q2 2026.

  • New York State Teachers Retirement System (NYSTRS) reported no remaining Cytek Biosciences position as of Q2 2026 after selling out during the quarter.
  • New York State Teachers Retirement System (NYSTRS) sold 44,829 Cytek Biosciences shares in Q2 2026, an estimated $196K.
  • New York State Teachers Retirement System (NYSTRS) first reported a position in Cytek Biosciences in Q2 2023 and held it in 12 quarters.
  • New York State Teachers Retirement System (NYSTRS)'s Cytek Biosciences position peaked at $497K in Q4 2023.
  • 154 funds tracked by Wall St. Rank held Cytek Biosciences as of Q2 2026.

Based on New York State Teachers Retirement System (NYSTRS)'s 13F filing for Q2 2026, filed 23 Jul 2026.