Cytek Biosciences Ownership | Who Owns Cytek Biosciences?

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Cytek Biosciences Ownership Summary

Cytek Biosciences is owned by 60.36% institutional investors, 9.10% insiders, and 30.54% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 14.11% of CTKB shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 4.95% of its assets in Cytek Biosciences shares.

CTKB Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Cytek Biosciences	60.36%	9.10%	30.54%
Sector	Healthcare Stocks	279.19%	10.62%	-189.81%
Industry	Medical Device Stocks	32.77%	10.51%	56.72%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	18.48M	14.11%	$119.95M
Blackrock	17.07M	13.04%	$95.25M
Vanguard group	11.72M	8.94%	$76.04M
Brown capital management	8.25M	6.29%	$53.52M
Hhlr advisors	6.66M	5.08%	$43.20M
State street	4.51M	3.44%	$29.27M
Geode capital management	2.64M	2.01%	$17.13M
New york state common retirement fund	2.09M	1.59%	$13.55M
Dimensional fund advisors lp	1.83M	1.40%	$11.88M
Goldman sachs group	1.34M	1.02%	$8.71M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Hhlr advisors	6.66M	1.50%	$43.20M
Brown capital management	8.25M	1.24%	$53.52M
Topline capital management	236.60K	0.29%	$1.54M
Sherbrooke park advisers	41.77K	0.09%	$271.11K
Algert global	350.92K	0.05%	$2.28M
Globeflex capital l p	84.43K	0.05%	$547.98K
State of wyoming	39.77K	0.03%	$258.12K
Royce & associates lp	470.82K	0.03%	$3.06M
Dynamic technology lab private	24.42K	0.03%	$159.00K
Point72 asia (singapore) pte.	11.36K	0.02%	$73.75K

Top Buyers

Holder	Shares	% Assets	Change
Ubs group	665.73K	0.00%	646.79K
Millennium management	803.92K	0.00%	613.31K
Point72 asset management	389.36K	0.01%	389.36K
Jpmorgan chase	947.68K	0.00%	349.15K
State street	4.51M	0.00%	342.88K

Top Sellers

Holder	Shares	% Assets	Change
Ra capital management	-	-	-6.81M
Wellington management group llp	-	-	-1.52M
Brown capital management	8.25M	1.24%	-1.25M
Fil	-	-	-573.60K
Divisadero street capital management, lp	-	-	-487.55K

New Positions

Holder	Shares	% Assets	Change	Value
Point72 asset management	389.36K	0.01%	389.36K	$2.53M
Topline capital management	236.60K	0.29%	236.60K	$1.54M
Bnp paribas arbitrage, snc	208.66K	0.00%	208.66K	$1.35M
Panagora asset management	127.00K	0.00%	127.00K	$824.22K
Cubist systematic strategies	116.62K	0.00%	116.62K	$756.89K

Sold Out

Holder	Change
Capital performance advisors llp	-12.00
Mendota financial group	-13.00
Nelson, van denburg & campbell wealth management group	-24.00
Huntington national bank	-36.00
Parkside financial bank & trust	-39.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2025	159	5.30%	77,459,597	0.29%	60	1.74%	80	-11.11%	63	53.66%
Dec 31, 2024	150	11.11%	77,235,970	3.02%	58	1.80%	89	3.49%	40	29.03%
Sep 30, 2024	135	5.47%	74,969,791	-1.57%	57	1.70%	86	13.16%	31	-22.50%
Jun 30, 2024	126	3.28%	76,150,225	-5.51%	58	1.64%	75	17.19%	40	14.29%
Mar 31, 2024	122	19.61%	80,592,474	2.10%	59	1.77%	64	12.28%	35	16.67%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	6.27M	4.95%	-3.91K
Vanguard Total Stock Mkt Idx Inv	3.50M	2.76%	130.49K
iShares Russell 2000 ETF	3.07M	2.42%	1.50K
Brown Capital Mgmt Small Co Inv	2.08M	1.63%	-352.00K
Vanguard Institutional Extnd Mkt Idx Tr	1.63M	1.29%	2.79K
Vanguard Small Cap Index	1.37M	1.08%	1.59K
Fidelity Small Cap Index	1.19M	0.94%	-13.52K
iShares Russell 2000 Value ETF	1.07M	0.85%	-
iShares S&P Small-Cap 600 Value ETF	1.02M	0.80%	-
SPDR® Portfolio S&P 600™ Sm Cap ETF	903.52K	0.71%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jun 02, 2025	McCombe William D.	Chief Financial Officer	Buy	$97.30K

Insider Transactions Trends

Date	Buy	Sell
2025 Q2	1	-
2025 Q1	-	-
2024 Q4	-	-
2024 Q3	-	-
2024 Q2	-	3

CTKB Ownership FAQ

Who Owns Cytek Biosciences?

Cytek Biosciences shareholders are primarily institutional investors at 60.36%, followed by 9.10% insiders and 30.54% retail investors. The average institutional ownership in Cytek Biosciences's industry, Medical Device Stocks, is 32.77%, which Cytek Biosciences exceeds.

Who owns the most shares of Cytek Biosciences?

Cytek Biosciences’s largest shareholders are Blackrock funding, inc. /de (18.48M shares, 14.11%), Blackrock (17.07M shares, 13.04%), and Vanguard group (11.72M shares, 8.94%). Together, they hold 36.09% of Cytek Biosciences’s total shares outstanding.

Does Blackrock own Cytek Biosciences?

Yes, BlackRock owns 13.04% of Cytek Biosciences, totaling 17.07M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 95.25M$. In the last quarter, BlackRock decreased its holdings by -356K shares, a -2.04% change.

Who is Cytek Biosciences’s biggest shareholder by percentage of total assets invested?

Hhlr advisors is Cytek Biosciences’s biggest shareholder by percentage of total assets invested, with 1.50% of its assets in 6.66M Cytek Biosciences shares, valued at 43.2M$.

Who is the top mutual fund holder of Cytek Biosciences shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of Cytek Biosciences shares, with 4.95% of its total shares outstanding invested in 6.27M Cytek Biosciences shares.

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