William Blair Investment Management
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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
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
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

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

William Blair Investment Management opened a new position in Saia (SAIA) in Q1 2026: 170,145 shares worth $59.8M. The stake represents 0.2% of the portfolio and ranks #123 among its holdings. This is a return to the name: William Blair Investment Management previously reported a position in SAIA as recently as Q2 2021.

William Blair Investment Management first reported a position in SAIA in Q1 2018 and has held it in 11 quarters since. 454 funds tracked by Wall St. Rank hold SAIA as of Q1 2026.

  • William Blair Investment Management held 170,145 shares of Saia worth $59.8M as of Q1 2026.
  • Saia was a new William Blair Investment Management position in Q1 2026.
  • Saia made up 0.2% of William Blair Investment Management's portfolio in Q1 2026, its #123 holding.
  • William Blair Investment Management first reported a position in Saia in Q1 2018 and has held it in 11 quarters since.
  • 454 funds tracked by Wall St. Rank held Saia as of Q1 2026.

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