| Investor | Value | Of portfolio | Shares | Change | Quarter |
|---|---|---|---|---|---|
| Renaissance Technologies | $817.2K | 0.00% | 19.70K | −73% | Q2 2026 |
From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors
No member of Congress has disclosed a KN trade since 2025.
From House and Senate STOCK Act reports. Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 13.1 | 12.1 | -5.5 | 21.5 | 19.9 | 10.9 | -11.8 | -6.6 | 8.7 | -1.7 | +70.4% | ||
| 2025 | -5.0 | -12.4 | -8.4 | 3.6 | 4.3 | 7.4 | 15.3 | 5.1 | 9.2 | 1.3 | -4.8 | -4.7 | +7.5% |
| 2024 | -8.9 | 0.2 | -1.5 | -1.7 | 10.7 | -1.5 | 5.9 | 1.0 | -2.3 | -3.9 | 12.4 | 2.4 | +11.3% |
| 2023 | 17.1 | -11.7 | 0.1 | -0.7 | 6.5 | 0.4 | 1.2 | -12.3 | -7.6 | -12.3 | 22.2 | 12.9 | +9.1% |
| 2022 | -9.2 | 2.7 | -1.1 | -14.0 | 3.8 | -9.8 | 14.0 | -23.3 | -19.7 | 13.0 | 13.5 | 5.3 | −29.7% |
| 2021 | 4.7 | 7.8 | 0.6 | -0.1 | -1.7 | -3.9 | 1.5 | -0.2 | -6.3 | 11.2 | 4.2 | 7.5 | +26.7% |
| 2020 | -6.7 | -15.8 | -19.5 | 16.2 | -3.3 | 1.5 | 0.0 | -1.3 | -1.1 | -4.4 | 19.2 | 8.5 | −12.9% |
| 2019 | 17.2 | 4.4 | 8.3 | 7.1 | -16.7 | 16.4 | 11.1 | -0.3 | 0.3 | 6.1 | 1.5 | -3.4 | +58.9% |
| 2018 | 4.0 | -5.2 | -12.8 | 1.7 | 13.3 | 5.5 | 13.5 | 4.4 | -8.3 | -2.6 | -5.8 | -12.7 | −9.2% |
| 2017 | 7.8 | 5.0 | 0.1 | -6.4 | -3.4 | -1.2 | -10.5 | -3.2 | 4.1 | 8.4 | -4.6 | -7.2 | −12.3% |
| 2016 | 2.0 | -16.3 | 15.8 | 1.4 | 9.3 | -6.4 | -1.8 | 3.4 | 1.1 | 6.3 | 7.3 | 4.2 | +25.4% |
| 2015 | -9.9 | -9.7 | 0.6 | -0.5 | 0.9 | -6.5 | 5.2 | -14.5 | 13.2 | -9.6 | -1.1 | -19.1 | −43.4% |
| 2014 | -1.8 | -11.5 | 1.0 | 9.0 | -5.4 | 13.2 | -19.5 | -26.6 | 7.3 | 12.7 | −26.7% |
| Date | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Aug 16, 2026 | Shavers Cheryl LDirector | Sale at price 39.27 - 39.28 per share. | 6.6K | $259.89K |
| Aug 16, 2026 | Shavers Cheryl LDirector | Sale at price 39.27 - 39.28 per share. | 6.6K | $259.89K |
| Aug 13, 2026 | Niew Jeffrey SChief Executive Officer | Sale at price 38.00 - 39.07 per share. | 200K | $7.79M |
| Aug 12, 2026 | Anderson John SChief Financial Officer | Sale at price 38.84 - 39.07 per share. | 40K | $1.56M |
| Jul 26, 2026 | Cabrera Raymond DOfficer | Sale at price 36.28 per share. | 6.2K | $224.14K |
| May 26, 2026 | Giesecke Daniel JChief Operating Officer | Sale at price 37.31 - 37.33 per share. | 20.2K | $753.90K |
| May 12, 2026 | Cabrera Raymond DOfficer | Conversion of Exercise of derivative security at price 16.77 per share. | 25.2K | $422.77K |
| May 4, 2026 | Niew Jeffrey SChief Executive Officer | Sale at price 33.25 per share. | 142.9K | $4.75M |
| May 4, 2026 | Niew Jeffrey SChief Executive Officer | Conversion of Exercise of derivative security at price 16.77 per share. | 142.9K | $2.40M |
| Apr 29, 2026 | Bastarrica Air A. Jr.Officer | Sale at price 30.91 per share. | 3.6K | $111.99K |
| Apr 28, 2026 | Bastarrica Air A. Jr.Officer | Sale at price 29.96 - 30.68 per share. | 6.4K | $193.27K |
| Apr 27, 2026 | Li Ye JaneDirector | Stock Award(Grant) at price 30.33 per share. | 6.3K | $190.02K |
| Apr 27, 2026 | Angelini LauraDirector | Stock Award(Grant) at price 30.33 per share. | 6.3K | $190.02K |
| Apr 27, 2026 | Barnes Keith LDirector | Stock Award(Grant) at price 30.33 per share. | 6.3K | $190.02K |
| Apr 27, 2026 | Shavers Cheryl LDirector | Stock Award(Grant) at price 30.33 per share. | 6.3K | $190.02K |
| Apr 27, 2026 | Crowley Daniel JDirector | Stock Award(Grant) at price 30.33 per share. | 6.3K | $190.02K |
| Apr 27, 2026 | Cardew Jason MDirector | Stock Award(Grant) at price 30.33 per share. | 6.3K | $190.02K |
| Apr 27, 2026 | Wishart Michael SDirector | Stock Award(Grant) at price 30.33 per share. | 6.3K | $190.02K |
| Feb 25, 2026 | Perna Robert JGeneral Counsel | Sale at price 27.88 - 28.10 per share. | 16.6K | $465.64K |
| Feb 19, 2026 | Shavers Cheryl LDirector | Sale at price 27.40 per share. | 3.7K | $101.38K |
Buy / hold / sell counts
Knowles Corporation offers capacitors, radio frequency (RF) and microwave filters, balanced armature speakers, and medtech microphones in Asia, the United States, Europe, rest of Americas, and internationally. It operates in two segments, Precision Devices (PD) and Medtech & Specialty Audio (MSA). The PD segment focuses on the custom design and delivery of high performance capacitor products and RF solutions primarily serving the defense, industrial, medtech, and electrification/energy markets. The MSA segment designs and manufactures balanced armature speakers and microphones for the hearing health; and specialty audio applications that serve the medtech and industrial markets. The company manufactures and sells film, electrolytic, and mica capacitors that are used in medtech, defense, and industrial electrification applications. It serves the defense, medtech, electric vehicle, industrial, and communications markets through original equipment manufacturers, their contract manufacturers, suppliers, sales representatives, and distributors. Knowles Corporation was founded in 1946 and is headquartered in Itasca, Illinois.