Public Sector Pension Investment Board (PSP Investments)
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Public Sector Pension Investment Board (PSP Investments)’s Cytek Biosciences CTKB Stock Holding History

Public Sector Pension Investment Board (PSP Investments)’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 		$1.72M Buy
394,718
+15,444
+4% +$72.9K 0.01% 1251
2025
Q4 		$1.92M Sell
379,274
-47,532
-11% -$221K 0.01% 1241
2025
Q3 		$1.48M Buy
426,806
+77,070
+22% +$289K 0.01% 1185
2025
Q2 		$1.19M Buy
349,736
+18,822
+6% +$62.7K 0.01% 1171
2025
Q1 		$1.33M Buy
330,914
+70,970
+27% +$368K 0.01% 1195
2024
Q4 		$1.69M Buy
259,944
+33,931
+15% +$202K 0.01% 1099
2024
Q3 		$1.25M Buy
226,013
+15,200
+7% +$86.2K 0.01% 1040
2024
Q2 		$1.18M Buy
210,813
+5,476
+3% +$32.9K 0.01% 1018
2024
Q1 		$1.38M Hold
205,337
– – 0.01% 908
2023
Q4 		$1.87M Buy
205,337
+82,317
+67% +$518K 0.01% 793
2023
Q3 		$679K Sell
123,020
-19,058
-13% -$153K ﹤0.01% 1235
2023
Q2 		$1.21M Buy
+142,078
New +$1.27M 0.01% 1149

Other funds holding CTKB

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $113B AUM 38.87% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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 $552B AUM 44.19% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Public Sector Pension Investment Board (PSP Investments)'s CTKB Position: Q1 2026 in Review

Public Sector Pension Investment Board (PSP Investments) increased its Cytek Biosciences (CTKB) stake by 4.1% in Q1 2026, buying an estimated $72.9K and bringing the position to 394,718 shares worth $1.72M. The position accounts for 0.01% of the portfolio, ranked #1251.

Public Sector Pension Investment Board (PSP Investments) first reported a position in CTKB in Q2 2023 and has held it in 12 quarters since. The position peaked at $1.92M in Q4 2025. 165 funds tracked by Wall St. Rank hold CTKB as of Q1 2026.

  • Public Sector Pension Investment Board (PSP Investments) held 394,718 shares of Cytek Biosciences worth $1.72M as of Q1 2026.
  • Public Sector Pension Investment Board (PSP Investments) bought 15,444 Cytek Biosciences shares in Q1 2026, an estimated $72.9K.
  • Cytek Biosciences made up 0.01% of Public Sector Pension Investment Board (PSP Investments)'s portfolio in Q1 2026, its #1251 holding.
  • Public Sector Pension Investment Board (PSP Investments) first reported a position in Cytek Biosciences in Q2 2023 and has held it in 12 quarters since.
  • Public Sector Pension Investment Board (PSP Investments)'s Cytek Biosciences position peaked at $1.92M in Q4 2025.
  • 165 funds tracked by Wall St. Rank held Cytek Biosciences as of Q1 2026.

Based on Public Sector Pension Investment Board (PSP Investments)'s 13F filing for Q1 2026, filed 13 May 2026.