William Blair Investment Management
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William Blair Investment Management’s Regal Rexnord RRX Stock Holding History

William Blair Investment Management’s Portfolio RRX Stock Details RRX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$212M Buy
891,139
+53,646
+6% +$11.2M 0.64% 33
2026
Q1 		$157M Buy
837,493
+78,210
+10% +$14.5M 0.52% 50
2025
Q4 		$107M Buy
759,283
+356,279
+88% +$50.7M 0.3% 95
2025
Q3 		$57.8M Buy
+403,004
New +$59.4M 0.15% 134
2025
Q2 		– Sell
-781,091
Closed -$88.9M – 452
2025
Q1 		$88.9M Sell
781,091
-66,750
-8% -$9.27M 0.25% 107
2024
Q4 		$132M Sell
847,841
-36,633
-4% -$6.19M 0.32% 98
2024
Q3 		$147M Buy
884,474
+309,073
+54% +$47.7M 0.36% 94
2024
Q2 		$77.8M Sell
575,401
-70,429
-11% -$11M 0.2% 121
2024
Q1 		$116M Buy
645,830
+162,147
+34% +$25.3M 0.3% 99
2023
Q4 		$71.6M Sell
483,683
-19,530
-4% -$2.46M 0.21% 125
2023
Q3 		$71.9M Buy
+503,213
New +$77.4M 0.24% 118
2022
Q4 		– Sell
-1,950
Closed -$274K – 414
2022
Q3 		$274K Sell
1,950
-616
-24% -$82.8K ﹤0.01% 361
2022
Q2 		$291K Sell
2,566
-1,393
-35% -$177K ﹤0.01% 366
2022
Q1 		$589K Buy
3,959
+272
+7% +$43.6K ﹤0.01% 383
2021
Q4 		$627K Sell
3,687
-316,669
-99% -$50.1M ﹤0.01% 372
2021
Q3 		$48.2M Buy
320,356
+319,456
+35,495% +$45.8M 0.14% 171
2021
Q2 		$120K Buy
+900
New +$127K ﹤0.01% 374

Other funds holding RRX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Victory Capital Management
Victory Capital Management San Antonio, Texas $178B AUM 37.23% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.1B AUM 21.36% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

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

William Blair Investment Management increased its Regal Rexnord (RRX) stake by 6.4% in Q2 2026, buying an estimated $11.2M and bringing the position to 891,139 shares worth $212M. The position accounts for 0.64% of the portfolio, ranked #33.

William Blair Investment Management first reported a position in RRX in Q2 2021 and has held it in 17 quarters since. 608 funds tracked by Wall St. Rank hold RRX as of Q2 2026.

  • William Blair Investment Management held 891,139 shares of Regal Rexnord worth $212M as of Q2 2026.
  • William Blair Investment Management bought 53,646 Regal Rexnord shares in Q2 2026, an estimated $11.2M.
  • Regal Rexnord made up 0.64% of William Blair Investment Management's portfolio in Q2 2026, its #33 holding.
  • William Blair Investment Management first reported a position in Regal Rexnord in Q2 2021 and has held it in 17 quarters since.
  • 608 funds tracked by Wall St. Rank held Regal Rexnord as of Q2 2026.

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