William Blair Investment Management
KN icon

William Blair Investment Management’s Knowles KN Stock Holding History

William Blair Investment 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 		$20.5M Sell
494,516
-780,184
-61% -$27.1M 0.06% 246
2026
Q1 		$32.7M Buy
1,274,700
+41,354
+3% +$1.05M 0.11% 174
2025
Q4 		$26.4M Sell
1,233,346
-312,949
-20% -$7.13M 0.07% 231
2025
Q3 		$36M Sell
1,546,295
-93,772
-6% -$1.92M 0.09% 174
2025
Q2 		$28.9M Sell
1,640,067
-132,884
-7% -$2.15M 0.08% 223
2025
Q1 		$26.9M Sell
1,772,951
-453,810
-20% -$8.12M 0.08% 242
2024
Q4 		$44.4M Buy
2,226,761
+54,404
+3% +$1.01M 0.11% 167
2024
Q3 		$39.2M Sell
2,172,357
-66,686
-3% -$1.18M 0.1% 173
2024
Q2 		$38.6M Sell
2,239,043
-4,172
-0.2% -$70K 0.1% 167
2024
Q1 		$36.1M Sell
2,243,215
-1,457
-0.1% -$23.9K 0.09% 204
2023
Q4 		$40.2M Sell
2,244,672
-43,364
-2% -$674K 0.12% 166
2023
Q3 		$33.9M Sell
2,288,036
-180,938
-7% -$2.97M 0.11% 175
2023
Q2 		$44.6M Buy
2,468,974
+45,736
+2% +$769K 0.14% 147
2023
Q1 		$41.2M Buy
2,423,238
+12,230
+0.5% +$213K 0.14% 147
2022
Q4 		$39.6M Buy
2,411,008
+207,677
+9% +$3.01M 0.15% 139
2022
Q3 		$26.8M Buy
2,203,331
+271,129
+14% +$4.34M 0.11% 214
2022
Q2 		$33.5M Sell
1,932,202
-51,557
-3% -$969K 0.12% 194
2022
Q1 		$42.7M Sell
1,983,759
-26,316
-1% -$576K 0.13% 177
2021
Q4 		$46.9M Buy
2,010,075
+29,646
+1% +$626K 0.13% 172
2021
Q3 		$37.1M Buy
1,980,429
+1,976,329
+48,203% +$38.7M 0.1% 230
2021
Q2 		$81K Sell
4,100
-1,443,522
-100% -$29.4M ﹤0.01% 418
2021
Q1 		$30.3M Buy
1,447,622
+122,290
+9% +$2.49M 0.1% 183
2020
Q4 		$24.4M Sell
1,325,332
-56,103
-4% -$938K 0.08% 186
2020
Q3 		$20.6M Buy
1,381,435
+44,240
+3% +$671K 0.08% 189
2020
Q2 		$20.4M Sell
1,337,195
-116,305
-8% -$1.73M 0.08% 187
2020
Q1 		$19.4M Buy
1,453,500
+306,930
+27% +$5.33M 0.09% 177
2019
Q4 		$24.3M Buy
1,146,570
+326,438
+40% +$7.01M 0.1% 178
2019
Q3 		$16.7M Buy
+820,132
New +$16.1M 0.07% 232

Other funds holding KN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return

William Blair Investment Management's KN Position: Q2 2026 in Review

William Blair Investment Management reduced its Knowles (KN) stake by 61% in Q2 2026, selling an estimated $27.1M and leaving 494,516 shares worth $20.5M. The position accounts for 0.06% of the portfolio, ranked #246.

William Blair Investment Management first reported a position in KN in Q3 2019 and has held it in 28 quarters since. The position peaked at $46.9M in Q4 2021. 342 funds tracked by Wall St. Rank hold KN as of Q2 2026.

  • William Blair Investment Management held 494,516 shares of Knowles worth $20.5M as of Q2 2026.
  • William Blair Investment Management sold 780,184 Knowles shares in Q2 2026, an estimated $27.1M.
  • Knowles made up 0.06% of William Blair Investment Management's portfolio in Q2 2026, its #246 holding.
  • William Blair Investment Management first reported a position in Knowles in Q3 2019 and has held it in 28 quarters since.
  • William Blair Investment Management's Knowles position peaked at $46.9M in Q4 2021.
  • 342 funds tracked by Wall St. Rank held Knowles as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.