William Blair Investment Management
GHM icon

William Blair Investment Management’s Graham Corp GHM Stock Holding History

William Blair Investment Management’s Portfolio GHM Stock Details GHM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$45.2M Buy
364,800
+50,499
+16% +$5.01M 0.14% 160
2026
Q1 		$24.8M Buy
314,301
+16,281
+5% +$1.28M 0.08% 227
2025
Q4 		$19.1M Buy
298,020
+24,005
+9% +$1.45M 0.05% 276
2025
Q3 		$15M Buy
+274,015
New +$14M 0.04% 298

Other funds holding GHM

BIP
Brandes Investment Partners La Jolla, California $14.3B AUM 23.11% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
GI
GAMCO Investors Greenwich, Connecticut $11.1B AUM 41.79% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

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

William Blair Investment Management increased its Graham Corp (GHM) stake by 16% in Q2 2026, buying an estimated $5.01M and bringing the position to 364,800 shares worth $45.2M. The position accounts for 0.14% of the portfolio, ranked #160.

William Blair Investment Management first reported a position in GHM in Q3 2025 and has held it in 4 quarters since. 221 funds tracked by Wall St. Rank hold GHM as of Q2 2026.

  • William Blair Investment Management held 364,800 shares of Graham Corp worth $45.2M as of Q2 2026.
  • William Blair Investment Management bought 50,499 Graham Corp shares in Q2 2026, an estimated $5.01M.
  • Graham Corp made up 0.14% of William Blair Investment Management's portfolio in Q2 2026, its #160 holding.
  • William Blair Investment Management first reported a position in Graham Corp in Q3 2025 and has held it in 4 quarters since.
  • 221 funds tracked by Wall St. Rank held Graham Corp as of Q2 2026.

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