CTS Corporation (CTS) Ownership
CTS ownership summary
as of October 18, 2026- Institutions
- 100.0% of shares outstanding
- Insiders
- 2.08% of shares outstanding
- Shares outstanding
- 28.6M
- Float
- 28.1M shares available to trade
- Short interest
- 4.55% 1.1M shares short
- Days to cover
- 4.71 short interest up 20.1% vs prior month
- Institutions 99.98%
- Insiders 2.08%
CTS top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 15.76% | 4.5M | $247.4M | +97,271 (+2.2%) | June 30, 2026 |
| 2 | Wasatch Advisors LP | 12.61% | 3.6M | $197.8M | +1.6M (+80.5%) | June 30, 2026 |
| 3 | Earnest Partners LLC | 5.78% | 1.7M | $90.8M | −63,290 (−3.7%) | June 30, 2026 |
| 4 | Vanguard Portfolio Management, LLC | 4.42% | 1.3M | $69.3M | +48,078 (+4.0%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 4.26% | 1.2M | $66.9M | −21,839 (−1.8%) | June 30, 2026 |
| 6 | Dimensional Fund Advisors, Inc. | 4.18% | 1.2M | $65.6M | −36,247 (−2.9%) | June 30, 2026 |
| 7 | State Street Corp | 4.12% | 1.2M | $64.7M | +25,805 (+2.2%) | June 30, 2026 |
| 8 | Gamco Investors, Inc. Et Al | 4.10% | 1.2M | $64.3M | −28,269 (−2.4%) | June 30, 2026 |
| 9 | Brown Advisory Holdings Inc | 3.44% | 982K | $54.0M | −39,832 (−3.9%) | June 30, 2026 |
| 10 | Geode Capital Management, LLC | 2.66% | 761K | $41.8M | +20,851 (+2.8%) | June 30, 2026 |
| 11 | Harvey Partners LLC | 1.91% | 545K | $30.0M | −49,169 (−8.3%) | June 30, 2026 |
| 12 | London Company of Virginia | 1.80% | 513K | $28.2M | −23,256 (−4.3%) | June 30, 2026 |
| 13 | Gabelli Funds LLC | 1.58% | 450K | $24.7M | −19,950 (−4.2%) | June 30, 2026 |
| 14 | Charles Schwab Investment Management Inc | 1.43% | 410K | $22.5M | −15,896 (−3.7%) | June 30, 2026 |
| 15 | Qube Research & Technologies | 1.16% | 331K | $18.2M | +48,842 (+17.3%) | June 30, 2026 |
| 16 | Morgan Stanley - Brokerage Accounts | 1.14% | 327K | $18.0M | −7,962 (−2.4%) | June 30, 2026 |
| 17 | Northern Trust Corp | 1.11% | 317K | $17.4M | +20,945 (+7.1%) | June 30, 2026 |
| 18 | Renaissance Technologies Corp | 1.09% | 311K | $17.1M | −77,042 (−19.8%) | June 30, 2026 |
| 19 | Two Sigma Investments LLC | 1.09% | 311K | $17.1M | +120,942 (+63.6%) | June 30, 2026 |
| 20 | Royce & Associates, LP | 1.04% | 298K | $16.4M | +11,161 (+3.9%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 9 holders added 2.0M shares and 11 cut 383K.
CTS top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.95% | 1.7M | $93.4M | +432 (+0.0%) | September 30, 2026 |
| 2 | 1290 VT GAMCO Small Company Value IB | 3.17% | 906K | $49.8M | −5,200 (−0.6%) | August 31, 2026 |
| 3 | Vanguard MStar Total Stk Mkt Idx Invest | 3.03% | 865K | $47.5M | −1,811 (−0.2%) | August 31, 2026 |
| 4 | Wasatch Core Growth | 3.01% | 860K | $47.2M | +859,696 (0.0%) | June 30, 2026 |
| 5 | iShares Russell 2000 ETF | 2.59% | 739K | $40.6M | −8,512 (−1.1%) | September 30, 2026 |
| 6 | Wasatch Small Cap Value | 2.51% | 716K | $39.4M | +7,079 (+1.0%) | June 30, 2026 |
| 7 | Vanguard Information Technology ETF | 2.51% | 716K | $39.3M | +1,639 (+0.2%) | September 30, 2026 |
| 8 | Harbor Small Cap Value Instl | 2.18% | 623K | $34.3M | −12,058 (−1.9%) | September 30, 2026 |
| 9 | Brown Advisory Small-Cap Fdmtl Val Inv | 1.57% | 447K | $24.6M | −5,702 (−1.3%) | September 30, 2026 |
| 10 | Gabelli Small Cap Growth AAA | 1.28% | 365K | $20.1M | −15,500 (−4.1%) | June 30, 2026 |
| 11 | Fidelity Small Cap Index | 1.09% | 313K | $17.2M | +2,949 (+1.0%) | July 31, 2026 |
| 12 | State Street SPDR Port S&P 600 Sm CpETF | 0.90% | 258K | $14.2M | — | September 30, 2026 |
| 13 | DFA US Targeted Value I | 0.74% | 211K | $11.6M | +6,801 (+3.3%) | August 31, 2026 |
| 14 | Vanguard Tax-Managed Small Cap Adm | 0.73% | 207K | $11.4M | — | September 30, 2026 |
| 15 | iShares Russell 2000 Growth ETF | 0.69% | 196K | $10.8M | −249 (−0.1%) | September 30, 2026 |
| 16 | Dimensional US Targeted Value ETF | 0.65% | 186K | $10.2M | +29 (+0.0%) | September 30, 2026 |
| 17 | Vanguard Russell 2000 ETF | 0.58% | 166K | $9.1M | +1,875 (+1.1%) | September 30, 2026 |
| 18 | Wasatch Micro Cap Value | 0.56% | 161K | $8.8M | — | June 30, 2026 |
| 19 | Invesco S&P SmallCap Momentum ETF | 0.55% | 156K | $8.6M | — | September 30, 2026 |
| 20 | Schwab US Small-Cap ETF™ | 0.53% | 150K | $8.3M | +99 (+0.1%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
CTS insider transactions
latest 15| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-08-21 | Michael T. McCaul | Sell | $41.49 | — | — |
| 2024-12-09 | Kieran M O'sullivan | Sell | $55.83 | 6,690 | $373,503 |
| 2024-12-06 | Kieran M O'sullivan | Sell | $54.50 | 8,494 | $462,923 |
| 2024-12-04 | Kieran M O'sullivan | Sell | $55.50 | 12,794 | $710,067 |
| 2024-12-02 | Kieran M O'sullivan | Sell | $55.81 | 31,978 | $1.8M |
| 2024-05-24 | Martin Baumeister | Sell | $52.39 | 5,733 | $300,352 |
| 2024-05-01 | Ashish Agrawal | Sell | $47.03 | 4,495 | $211,400 |
| 2024-05-01 | Kieran M O'sullivan | Sell | $47.11 | 27,905 | $1.3M |
| 2024-04-29 | Ashish Agrawal | Sell | $47.00 | 1,604 | $75,388 |
| 2024-04-29 | Kieran M O'sullivan | Sell | $47.00 | 6,179 | $290,413 |
| 2024-04-11 | Ashish Agrawal | Sell | $47.00 | 800 | $37,600 |
| 2024-04-11 | Kieran M O'sullivan | Sell | $47.00 | 2,064 | $97,008 |
| 2024-04-01 | Kieran M O'sullivan | Sell | $47.00 | 75 | $3,525 |
| 2024-03-28 | Ashish Agrawal | Sell | $47.10 | 4,504 | $212,138 |
| 2024-03-28 | Kieran M O'sullivan | Sell | $47.13 | 14,976 | $705,819 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
CTS shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns CTS
Institutional investors own 100.0% of CTS's shares and insiders 2.08%. The largest holder is BlackRock Inc with 15.76% of the shares (4.5M), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 11 reduced their stake in the latest filings. Short interest is 4.55% of the float, or 4.71 days of average trading volume. The share count fell 13.7% since 2014.
Related: CTS analyst forecast, CTS key metrics, CTS dividend history. See the CTS stock overview for the latest quote and news.
CTS ownership FAQ
Who owns the most CTS stock?
The largest shareholders of CTS are BlackRock Inc (15.76%), Wasatch Advisors LP (12.61%), Earnest Partners LLC (5.78%), Vanguard Portfolio Management, LLC (4.42%), Vanguard Capital Management, LLC (4.26%).
What percentage of CTS is owned by institutions?
Institutions hold 100.0% of CTS's shares outstanding; insiders hold 2.08%.
Which funds own CTS?
The largest fund holders of CTS are iShares Core S&P Small-Cap ETF (5.95%), 1290 VT GAMCO Small Company Value IB (3.17%), Vanguard MStar Total Stk Mkt Idx Invest (3.03%), Wasatch Core Growth (3.01%), iShares Russell 2000 ETF (2.59%).
What is CTS's short interest?
1.1M shares of CTS were sold short, 4.55% of the float; at the average daily volume it would take 4.71 days to cover.
Are insiders buying or selling CTS?
Of the latest 15 reported insider transactions in CTS (since March 28, 2024), 0 were purchases and 15 were sales.
How many shares of CTS are outstanding?
CTS has 28.6M shares outstanding, of which 28.1M are in the public float.