Oberweis Asset Management’s Knowles KN Stock Holding History

Oberweis Asset Management’s Portfolio KN Stock Details KN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$12.2M	Buy	293,110 +58,910	+25%	+$2.04M	0.25%	122
2026 Q1	$6.01M	Buy	+234,200	New	+$5.93M	0.18%	138
2022 Q2	–	Sell	-12,500	Closed	-$269K	–	168
2022 Q1	$269K	Hold	12,500	–	–	0.05%	145
2021 Q4	$292K	Buy	+12,500	New	+$264K	0.05%	134
2020 Q1	–	Sell	-77,700	Closed	-$1.64M	–	187
2019 Q4	$1.64M	Buy	77,700 +2,400	+3%	+$51.6K	0.55%	33
2019 Q3	$1.53M	Buy	75,300 +8,600	+13%	+$169K	0.35%	45
2019 Q2	$1.22M	Sell	66,700 -40,600	-38%	-$716K	0.22%	59
2019 Q1	$1.89M	Sell	107,300 -4,000	-4%	-$61.9K	0.38%	43
2018 Q4	$1.48M	Buy	111,300 +34,200	+44%	+$501K	0.33%	49
2018 Q3	$1.28M	Buy	+77,100	New	+$1.3M	0.25%	71

Other funds holding KN

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return

Oberweis Asset Management's KN Position: Q2 2026 in Review

Oberweis Asset Management increased its Knowles (KN) stake by 25% in Q2 2026, buying an estimated $2.04M and bringing the position to 293,110 shares worth $12.2M. The position accounts for 0.25% of the portfolio, ranked #122.

Oberweis Asset Management first reported a position in KN in Q3 2018 and has held it in 10 quarters since. 340 funds tracked by Wall St. Rank hold KN as of Q2 2026.

Oberweis Asset Management held 293,110 shares of Knowles worth $12.2M as of Q2 2026.
Oberweis Asset Management bought 58,910 Knowles shares in Q2 2026, an estimated $2.04M.
Knowles made up 0.25% of Oberweis Asset Management's portfolio in Q2 2026, its #122 holding.
Oberweis Asset Management first reported a position in Knowles in Q3 2018 and has held it in 10 quarters since.
340 funds tracked by Wall St. Rank held Knowles as of Q2 2026.

Based on Oberweis Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.