William Blair Investment Management
SAIA icon

William Blair Investment Management’s Saia SAIA Stock Holding History

William Blair Investment Management’s Portfolio SAIA Stock Details SAIA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$109M Buy
259,020
+88,875
+52% +$39.1M 0.33% 91
2026
Q1 		$59.8M Buy
+170,145
New +$62M 0.2% 123
2021
Q3 		– Sell
-4,126
Closed -$864K – 493
2021
Q2 		$864K Sell
4,126
-31,576
-88% -$7.16M ﹤0.01% 342
2021
Q1 		$8.23M Sell
35,702
-20,848
-37% -$4.25M 0.03% 309
2020
Q4 		$10.2M Sell
56,550
-29,527
-34% -$4.85M 0.03% 299
2020
Q3 		$10.9M Sell
86,077
-16,302
-16% -$2.08M 0.04% 261
2020
Q2 		$11.4M Buy
+102,379
New +$9.81M 0.05% 235
2019
Q2 		– Sell
-176,435
Closed -$10.8M – 413
2019
Q1 		$10.8M Sell
176,435
-19,727
-10% -$1.22M 0.05% 314
2018
Q4 		$10.9M Buy
196,162
+31,482
+19% +$1.91M 0.05% 294
2018
Q3 		$12.6M Sell
164,680
-12,420
-7% -$967K 0.04% 322
2018
Q2 		$14.3M Sell
177,100
-69,575
-28% -$5.37M 0.05% 295
2018
Q1 		$18.5M Buy
+246,675
New +$18.3M 0.07% 248

Other funds holding SAIA

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 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
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $32.2B AUM 10.98% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

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

William Blair Investment Management increased its Saia (SAIA) stake by 52% in Q2 2026, buying an estimated $39.1M and bringing the position to 259,020 shares worth $109M. The position accounts for 0.33% of the portfolio, ranked #91.

William Blair Investment Management first reported a position in SAIA in Q1 2018 and has held it in 12 quarters since. 520 funds tracked by Wall St. Rank hold SAIA as of Q2 2026.

  • William Blair Investment Management held 259,020 shares of Saia worth $109M as of Q2 2026.
  • William Blair Investment Management bought 88,875 Saia shares in Q2 2026, an estimated $39.1M.
  • Saia made up 0.33% of William Blair Investment Management's portfolio in Q2 2026, its #91 holding.
  • William Blair Investment Management first reported a position in Saia in Q1 2018 and has held it in 12 quarters since.
  • 520 funds tracked by Wall St. Rank held Saia as of Q2 2026.

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