William Blair Investment Management
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William Blair Investment Management’s Inter&Co INTR Stock Holding History

William Blair Investment Management’s Portfolio INTR Stock Details INTR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$20M Sell
2,515,463
-3,079,733
-55% -$26.7M 0.07% 256
2025
Q4 		$47.4M Buy
5,595,196
+2,110,861
+61% +$18.7M 0.13% 143
2025
Q3 		$32.2M Buy
3,484,335
+1,816,322
+109% +$14.3M 0.08% 198
2025
Q2 		$12.4M Buy
+1,668,013
New +$11.1M 0.03% 320

Other funds holding INTR

SoftBank Group
SoftBank Group Tokyo, Japan $11.4B AUM 27.91% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
WCM Investment Management
WCM Investment Management Laguna Beach, California $43.8B AUM 42.28% 1-Year Est. Return
SC
Samlyn Capital New York $5.86B AUM 36.3% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
SI
Squadra Investments Rio De Janeiro, Brazil $894M AUM 33.04% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
SEI Investments
SEI Investments Oaks, Pennsylvania $108B AUM 26.14% 1-Year Est. Return

William Blair Investment Management's INTR Position: Q1 2026 in Review

William Blair Investment Management reduced its Inter&Co (INTR) stake by 55% in Q1 2026, selling an estimated $26.7M and leaving 2,515,463 shares worth $20M. The position accounts for 0.07% of the portfolio, ranked #256.

William Blair Investment Management first reported a position in INTR in Q2 2025 and has held it in 4 quarters since. The position peaked at $47.4M in Q4 2025. 128 funds tracked by Wall St. Rank hold INTR as of Q1 2026.

  • William Blair Investment Management held 2,515,463 shares of Inter&Co worth $20M as of Q1 2026.
  • William Blair Investment Management sold 3,079,733 Inter&Co shares in Q1 2026, an estimated $26.7M.
  • Inter&Co made up 0.07% of William Blair Investment Management's portfolio in Q1 2026, its #256 holding.
  • William Blair Investment Management first reported a position in Inter&Co in Q2 2025 and has held it in 4 quarters since.
  • William Blair Investment Management's Inter&Co position peaked at $47.4M in Q4 2025.
  • 128 funds tracked by Wall St. Rank held Inter&Co as of Q1 2026.

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