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Portolan Capital Management’s Graham Corp GHM Stock Holding History

Portolan Capital 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
Q1 		$8.17M Buy
+103,556
New +$8.11M 0.44% 69

Other funds holding GHM

BIP
Brandes Investment Partners La Jolla, California $14.1B AUM 25.52% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
GI
GAMCO Investors Greenwich, Connecticut $10.2B AUM 30.27% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Portolan Capital Management's GHM Position: Q1 2026 in Review

Portolan Capital Management opened a new position in Graham Corp (GHM) in Q1 2026: 103,556 shares worth $8.17M. The stake represents 0.44% of the portfolio and ranks #69 among its holdings.

179 funds tracked by Wall St. Rank hold GHM as of Q1 2026.

  • Portolan Capital Management held 103,556 shares of Graham Corp worth $8.17M as of Q1 2026.
  • Graham Corp was a new Portolan Capital Management position in Q1 2026.
  • Graham Corp made up 0.44% of Portolan Capital Management's portfolio in Q1 2026, its #69 holding.
  • 179 funds tracked by Wall St. Rank held Graham Corp as of Q1 2026.

Based on Portolan Capital Management's 13F filing for Q1 2026, filed 15 May 2026.