William Blair & Company
CBT icon

William Blair & Company’s Cabot Corp CBT Stock Holding History

William Blair & Company’s Portfolio CBT Stock Details CBT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$240K Buy
3,186
+148
+5% +$10.7K ﹤0.01% 1411
2025
Q4 		$201K Buy
3,038
+67
+2% +$4.46K ﹤0.01% 1466
2025
Q3 		$226K Buy
+2,971
New +$232K ﹤0.01% 1418

Other funds holding CBT

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BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
EARNEST Partners
EARNEST Partners Atlanta, Georgia $24.3B AUM 34.41% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

William Blair & Company's CBT Position: Q1 2026 in Review

William Blair & Company increased its Cabot Corp (CBT) stake by 4.9% in Q1 2026, buying an estimated $10.7K and bringing the position to 3,186 shares worth $240K. The position accounts for ﹤0.01% of the portfolio, ranked #1411.

William Blair & Company first reported a position in CBT in Q3 2025 and has held it in 3 quarters since. 374 funds tracked by Wall St. Rank hold CBT as of Q1 2026.

  • William Blair & Company held 3,186 shares of Cabot Corp worth $240K as of Q1 2026.
  • William Blair & Company bought 148 Cabot Corp shares in Q1 2026, an estimated $10.7K.
  • Cabot Corp made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #1411 holding.
  • William Blair & Company first reported a position in Cabot Corp in Q3 2025 and has held it in 3 quarters since.
  • 374 funds tracked by Wall St. Rank held Cabot Corp as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.