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Cytek Biosciences
CTKB
CTKB
155 hedge funds and large institutions have $414M invested in Cytek Biosciences in 2025 Q4 according to their latest regulatory filings, with 21 funds opening new positions, 52 increasing their positions, 61 reducing their positions, and 15 closing their positions.
New
Increased
Maintained
Reduced
Closed
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
40% more first-time investments, than exits
New positions opened: 21 | Existing positions closed: 15
36% more call options, than puts
Call options by funds: $38K | Put options by funds: $28K
34% more capital invested
Capital invested by funds: $309M → $414M (+$106M)
1% more funds holding
Funds holding: 153 → 155 (+2)
1.27% more ownership
Funds ownership: 62.88% → 64.15% (+1.3%)
15% less repeat investments, than reductions
Existing positions increased: 52 | Existing positions reduced: 61
Holders
155
Holders Change
+2
Holders Change %
+1.31%
% of All Funds
1.89%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.02%
New
21
Increased
52
Reduced
61
Closed
15
Calls
$38K
Puts
$28K
Net Calls
+$10K
Net Calls Change
+$12K
Top Buyers
| 1 |
Boston Partners
Boston,
Massachusetts
|
+$23.1M |
| 2 |
Millennium Management
New York
|
+$6.19M |
| 3 |
Russell Investments Group
London,
United Kingdom
|
+$3.91M |
| 4 |
Bank of America
Charlotte,
North Carolina
|
+$3.19M |
| 5 |
BlackRock
New York
|
+$2.9M |
