CTS Ownership | Who Owns CTS?


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CTS Ownership Summary


CTS is owned by 78.99% institutional investors, 2.26% insiders, and 18.76% retail investors. Blackrock is the largest institutional shareholder, holding 15.55% of CTS shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 6.14% of its assets in CTS shares.

CTS Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockCTS78.99%2.26%18.76%
SectorTechnology Stocks 35.18%13.13%51.68%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock4.78M15.55%$242.02M
Blackrock funding, inc. /de4.39M15.16%$188.11M
Vanguard group2.74M9.24%$117.64M
Wasatch advisors lp2.26M7.67%$96.99M
Earnest partners1.77M5.99%$75.72M
Dimensional fund advisors lp1.24M4.21%$53.29M
Gamco investors, inc. et al1.24M4.16%$52.96M
State street1.14M3.81%$45.55M
Fiduciary management inc /wi/1.08M3.75%$46.49M
Geode capital management733.55K2.53%$31.45M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Harvey partners493.50K1.75%$19.71M
Teton advisors65.20K1.69%$2.78M
Tributary capital management268.18K1.13%$11.50M
Wasatch advisors lp2.26M0.58%$96.99M
Herald investment management100.00K0.53%$3.99M
Fiduciary management inc /wi/1.08M0.51%$46.49M
Gamco investors, inc. et al1.24M0.51%$52.96M
Illumine investment management13.97K0.44%$599.04K
Chartwell investment partners238.57K0.42%$12.08M
Heartland advisors150.13K0.35%$6.44M

Top Buyers

HolderShares% AssetsChange
Wasatch advisors lp2.26M0.58%468.91K
Harvey partners493.50K1.75%210.96K
Qube research426.67K0.02%153.57K
Herald investment management100.00K0.53%100.00K
Two sigma investments, lp93.89K0.01%93.89K

Top Sellers

HolderShares% AssetsChange
T. rowe price investment management542.68K0.01%-1.11M
Gw&k investment management---303.20K
Penserra capital management---168.34K
Rockefeller capital management5.35K0.00%-156.06K
Blackrock4.78M0.01%-155.51K

New Positions

HolderShares% AssetsChangeValue
Herald investment management100.00K0.53%100.00K$3.99M
Two sigma investments, lp93.89K0.01%93.89K$3.75M
Norges bank84.19K0.00%84.19K$4.44M
Madison investment advisors71.82K0.04%71.82K$3.79M
Seizert capital partners51.38K0.09%51.38K$2.20M

Sold Out

HolderChange
Rise advisors-1.00
Mendota financial group-3.00
True wealth design-6.00
Private wealth asset management-6.00
Stephens consulting-10.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 2025171-27.23%23,457,186-16.20%780.90%84-35.88%64-13.51%
Sep 30, 20252244.67%28,169,8132.99%941.12%12614.55%71-7.79%
Jun 30, 20252194.78%28,011,036-2.07%931.03%11418.75%782.63%
Mar 31, 2025207-1.90%28,595,071-1.60%951.04%966.67%75-5.06%
Dec 31, 2024208-5.45%29,058,946-0.85%951.02%89-4.30%78-6.02%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
iShares Core S&P Small-Cap ETF1.76M6.14%-329.92K
1290 VT GAMCO Small Company Value IB950.00K3.31%-10.00K
Vanguard Total Stock Mkt Idx Inv939.50K3.27%4.79K
Vanguard US Total Market Shares ETF965.94K3.22%1.41K
Wasatch Small Cap Value854.55K2.98%164.49K
Vanguard Information Technology ETF691.06K2.41%2.96K
iShares Russell 2000 ETF687.99K2.40%-3.01K
Harbor Small Cap Value Instl666.93K2.32%-34.99K
T. Rowe Price US Smlr Cm Eq A USD651.47K2.17%-33.44K
FMI Common Stock Investor550.00K1.92%550.00K

Recent Insider Transactions


DateNameRoleActivityValue
Feb 02, 2026Agrawal Ashish CFOSell$1.32M
Dec 06, 2024O'SULLIVAN KIERAN M President & CEOSell$462.90K
Dec 09, 2024O'SULLIVAN KIERAN M President & CEOSell$373.48K
Dec 04, 2024O'SULLIVAN KIERAN M President & CEOSell$710.03K
Dec 05, 2024O'SULLIVAN KIERAN M President & CEOSell$525.77K

Insider Transactions Trends


DateBuySell
2026 Q1-1
2025 Q4--
2025 Q3--
2025 Q2--
2025 Q1--

CTS Ownership FAQ


Who owns the most shares of CTS?

CTS’s largest shareholders are Blackrock (4.78M shares, 15.55%), Blackrock funding, inc. /de (4.39M shares, 15.16%), and Vanguard group (2.74M shares, 9.24%). Together, they hold 39.95% of CTS’s total shares outstanding.

Does Blackrock own CTS?

Yes, BlackRock owns 15.55% of CTS, totaling 4.78M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 242.02M$. In the last quarter, BlackRock decreased its holdings by -156K shares, a -3.15% change.

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

Harvey partners is CTS’s biggest shareholder by percentage of total assets invested, with 1.75% of its assets in 493.5K CTS shares, valued at 19.71M$.

Who is the top mutual fund holder of CTS shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of CTS shares, with 6.14% of its total shares outstanding invested in 1.76M CTS shares.

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