| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | $200,719,162 | 2,821,467 | BlackRock, Inc. | 31 Mar 2025 | |||
| MAIRS & POWER INC | 7.6% | $101,269,213 | 1,423,520 | Mairs and Power, Inc. | 31 Mar 2025 |
As of 30 Sep 2025, 256 institutional investors reported holding 17,554,966 shares of TENNANT CO - Common Stock, par value $0.375 per share (TNC). This represents 93% of the company’s total 18,804,756 outstanding shares.
The largest institutional shareholders of TENNANT CO - Common Stock, par value $0.375 per share (TNC) together control 72% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | 2,764,614 | -2.4% | 0% | $224,099,648 |
| VANGUARD GROUP INC | 12% | 2,172,191 | -4.1% | 0% | $176,077,803 |
| MAIRS & POWER INC | 7.1% | 1,329,688 | -1.7% | 1% | $107,784,509 |
| STATE STREET CORP | 3.7% | 693,897 | -0.04% | 0% | $56,247,291 |
| DIMENSIONAL FUND ADVISORS LP | 3.1% | 578,262 | -1.9% | 0.01% | $46,872,456 |
| BROWN ADVISORY INC | 2.7% | 516,427 | -3% | 0.05% | $41,861,579 |
| GAMCO INVESTORS, INC. ET AL | 2.7% | 499,795 | +0.32% | 0.39% | $40,513,383 |
| P2 Capital Partners, LLC | 2.6% | 484,950 | -4% | 8.1% | $39,310,047 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 442,593 | -0.13% | 0% | $35,882,119 |
| AMERICAN CENTURY COMPANIES INC | 2.3% | 434,996 | +27% | 0.02% | $35,260,775 |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | 2.2% | 406,044 | +55% | 0.29% | $32,913,927 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 2.1% | 399,216 | +73% | 0.21% | $32,360,693 |
| Invenomic Capital Management LP | 1.8% | 329,915 | -5.9% | 1.4% | $26,742,910 |
| Vision One Management Partners, LP | 1.5% | 283,764 | +59% | 14% | $23,001,910 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.4% | 271,395 | +1.4% | 0% | $21,999,279 |
| MILLENNIUM MANAGEMENT LLC | 1.4% | 267,841 | -24% | 0.02% | $21,711,191 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 1.4% | 254,966 | -40% | 0.07% | $20,667,505 |
| River Road Asset Management, LLC | 1.3% | 241,707 | +0.64% | 0.22% | $19,592,769 |
| FIRST TRUST ADVISORS LP | 1.3% | 235,471 | -0.49% | 0.01% | $19,087,279 |
| NORTHERN TRUST CORP | 1.1% | 214,489 | -2.4% | 0% | $17,386,478 |
| MORGAN STANLEY | 0.96% | 180,537 | -10% | 0% | $14,634,424 |
| GABELLI FUNDS LLC | 0.92% | 172,987 | 0% | 0.09% | $14,022,326 |
| Bank of New York Mellon Corp | 0.87% | 163,940 | -2.1% | 0% | $13,288,998 |
| Ceredex Value Advisors LLC | 0.78% | 145,750 | +2% | 0.27% | $11,814,495 |
| Lightrock Netherlands B.V. | 0.74% | 138,526 | +4% | 2.5% | $9,556,526 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 150,208 | $11,086,358 | +$2,185,783 | $73.70 | 7 |
| 2025 Q3 | 17,554,966 | $1,421,331,694 | -$24,842,205 | $81.06 | 256 |
| 2025 Q2 | 17,860,735 | $1,383,603,954 | +$6,551,218 | $77.48 | 246 |
| 2025 Q1 | 17,783,210 | $1,418,181,615 | -$9,989,331 | $79.75 | 246 |
| 2024 Q4 | 17,899,853 | $1,459,616,189 | +$22,848,309 | $81.53 | 259 |
| 2024 Q3 | 17,494,492 | $1,679,633,290 | -$34,118,617 | $96.04 | 255 |
| 2024 Q2 | 17,810,134 | $1,753,251,340 | +$19,808,164 | $98.44 | 251 |
| 2024 Q1 | 17,559,485 | $2,135,305,279 | +$79,542,619 | $121.61 | 248 |
| 2023 Q4 | 38,871 | $3,602,952 | +$1,209,789 | $92.69 | 2 |
| 2023 Q3 | 17,511,155 | $1,298,486,740 | +$39,697,288 | $74.15 | 214 |
| 2023 Q2 | 16,742,716 | $1,356,187,073 | -$33,798,512 | $81.11 | 184 |
| 2023 Q1 | 17,423,032 | $1,194,229,497 | +$504,910 | $68.53 | 172 |
| 2022 Q4 | 17,420,408 | $1,072,769,061 | +$43,085,083 | $61.57 | 151 |
| 2022 Q3 | 16,596,360 | $938,751,895 | +$832,745 | $56.56 | 143 |
| 2022 Q2 | 16,691,487 | $989,013,907 | +$8,556,663 | $59.25 | 142 |
| 2022 Q1 | 16,598,653 | $1,308,139,906 | +$20,856,413 | $78.80 | 162 |
| 2021 Q4 | 16,319,682 | $1,322,269,038 | -$1,572,324 | $81.04 | 167 |
| 2021 Q3 | 16,367,706 | $1,210,605,850 | -$2,666,526 | $73.95 | 180 |
| 2021 Q2 | 16,278,420 | $1,299,676,115 | -$7,311,607 | $79.85 | 189 |
| 2021 Q1 | 16,381,517 | $1,308,927,608 | +$10,324,110 | $79.89 | 169 |
| 2020 Q4 | 16,034,780 | $1,125,398,760 | -$3,626,004 | $70.17 | 165 |
| 2020 Q3 | 16,167,559 | $976,072,919 | -$62,214,297 | $60.36 | 158 |
| 2020 Q2 | 17,383,476 | $1,129,415,745 | +$66,626,806 | $65.01 | 158 |
| 2020 Q1 | 16,393,235 | $949,908,885 | +$5,517,324 | $57.95 | 153 |
| 2019 Q4 | 16,275,063 | $1,268,696,264 | +$14,940,224 | $77.92 | 160 |
| 2019 Q3 | 15,988,482 | $1,129,937,106 | +$31,955,870 | $70.70 | 149 |
| 2019 Q2 | 15,374,638 | $941,003,741 | +$9,255,032 | $61.20 | 137 |
| 2019 Q1 | 15,489,115 | $961,748,851 | -$2,646,970 | $62.09 | 149 |
| 2018 Q4 | 15,481,993 | $806,754,344 | -$29,301,532 | $52.11 | 138 |
| 2018 Q3 | 15,701,843 | $1,192,252,079 | +$11,871,587 | $75.95 | 151 |
| 2018 Q2 | 15,506,266 | $1,225,009,670 | -$112,190 | $79.00 | 141 |
| 2018 Q1 | 15,939,183 | $1,079,128,583 | -$25,648,819 | $67.70 | 136 |
| 2017 Q4 | 16,227,654 | $1,178,909,583 | -$20,627,179 | $72.65 | 146 |
| 2017 Q3 | 16,581,264 | $1,097,724,074 | +$50,606,083 | $66.20 | 138 |
| 2017 Q2 | 15,802,048 | $1,166,309,910 | +$2,994,700 | $73.80 | 141 |
| 2017 Q1 | 15,770,807 | $1,145,781,393 | +$153,623,326 | $72.65 | 143 |
| 2016 Q4 | 15,615,056 | $1,111,525,735 | +$10,220,854 | $71.20 | 150 |
| 2016 Q3 | 15,485,631 | $1,002,497,797 | +$11,386,290 | $64.80 | 138 |
| 2016 Q2 | 15,310,374 | $824,729,270 | -$1,811,848 | $53.87 | 133 |
| 2016 Q1 | 15,374,308 | $791,479,925 | +$16,061,923 | $51.48 | 136 |
| 2015 Q4 | 15,099,419 | $849,270,342 | -$18,121,973 | $56.26 | 140 |
| 2015 Q3 | 15,429,253 | $866,873,608 | -$27,561,248 | $56.18 | 143 |
| 2015 Q2 | 15,638,920 | $1,021,833,100 | +$3,001,261 | $65.34 | 142 |
| 2015 Q1 | 15,593,247 | $1,019,744,896 | -$2,585,350 | $65.37 | 143 |
| 2014 Q4 | 15,369,007 | $1,109,046,761 | +$3,317,112 | $72.17 | 139 |
| 2014 Q3 | 15,585,227 | $1,045,627,100 | -$15,974,557 | $67.09 | 149 |
| 2014 Q2 | 16,021,649 | $1,222,744,319 | -$14,438,500 | $76.32 | 138 |
| 2014 Q1 | 15,844,967 | $1,039,639,000 | -$1,630,721 | $65.62 | 132 |