William Blair & Company
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William Blair & Company’s Coherent COHR Stock Holding History

William Blair & Company’s Portfolio COHR Stock Details COHR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$4.9M Buy
12,424
+4,411
+55% +$1.56M 0.01% 526
2026
Q1 		$1.91M Buy
8,013
+877
+12% +$201K 0.01% 741
2025
Q4 		$1.32M Buy
7,136
+2,336
+49% +$349K ﹤0.01% 864
2025
Q3 		$517K Buy
4,800
+26
+0.5% +$2.59K ﹤0.01% 1105
2025
Q2 		$426K Buy
4,774
+24
+0.5% +$1.73K ﹤0.01% 1141
2025
Q1 		$308K Sell
4,750
-80
-2% -$6.63K ﹤0.01% 1249
2024
Q4 		$458K Buy
4,830
+1,670
+53% +$167K ﹤0.01% 1127
2024
Q3 		$281K Buy
+3,160
New +$236K ﹤0.01% 1310
2022
Q3 		– Sell
-450
Closed -$23K – 1833
2022
Q2 		$23K Buy
450
+128
+40% +$7.8K ﹤0.01% 1704
2022
Q1 		$23K Sell
322
-486
-60% -$33.1K ﹤0.01% 1776
2021
Q4 		$55K Buy
808
+40
+5% +$2.52K ﹤0.01% 1764
2021
Q3 		$46K Buy
768
+50
+7% +$3.26K ﹤0.01% 1693
2021
Q2 		$52K Buy
718
+100
+16% +$7.04K ﹤0.01% 1690
2021
Q1 		$42K Sell
618
-463
-43% -$38K ﹤0.01% 1680
2020
Q4 		$82K Buy
1,081
+799
+283% +$47.3K ﹤0.01% 1572
2020
Q3 		$11K Hold
282
– – ﹤0.01% 1624
2020
Q2 		$13K Buy
282
+1
+0.4% +$40 ﹤0.01% 1570
2020
Q1 		$8K Hold
281
– – ﹤0.01% 1570
2019
Q4 		$9K Buy
+281
New +$8.96K ﹤0.01% 1637
2018
Q4 		– Sell
-14,558
Closed -$689K – 1677
2018
Q3 		$689K Buy
14,558
+2,353
+19% +$107K ﹤0.01% 851
2018
Q2 		$530K Buy
+12,205
New +$539K ﹤0.01% 925

Other funds holding COHR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
NC
Nvidia Corp Santa Clara, California $63.4B AUM 136.76% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

William Blair & Company's COHR Position: Q2 2026 in Review

William Blair & Company increased its Coherent (COHR) stake by 55% in Q2 2026, buying an estimated $1.56M and bringing the position to 12,424 shares worth $4.9M. The position accounts for 0.01% of the portfolio, ranked #526.

William Blair & Company first reported a position in COHR in Q2 2018 and has held it in 21 quarters since. 1,310 funds tracked by Wall St. Rank hold COHR as of Q2 2026.

  • William Blair & Company held 12,424 shares of Coherent worth $4.9M as of Q2 2026.
  • William Blair & Company bought 4,411 Coherent shares in Q2 2026, an estimated $1.56M.
  • Coherent made up 0.01% of William Blair & Company's portfolio in Q2 2026, its #526 holding.
  • William Blair & Company first reported a position in Coherent in Q2 2018 and has held it in 21 quarters since.
  • 1,310 funds tracked by Wall St. Rank held Coherent as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.