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Mattern Capital Management’s Gartner IT Stock Holding History

Mattern Capital Management’s Portfolio IT Stock Details IT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.16M Buy
8,917
+171
+2% +$25.8K 0.13% 114
2026
Q1 		$1.38M Buy
+8,746
New +$1.61M 0.17% 102

Other funds holding IT

BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
IFP
Independent Franchise Partners London, United Kingdom $15.2B AUM 1.56% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Harris Associates
Harris Associates Chicago, Illinois $75.4B AUM 14.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Two Sigma Investments
Two Sigma Investments New York $138B AUM 41.87% 1-Year Est. Return

Mattern Capital Management's IT Position: Q2 2026 in Review

Mattern Capital Management increased its Gartner (IT) stake by 2% in Q2 2026, buying an estimated $25.8K and bringing the position to 8,917 shares worth $1.16M. The position accounts for 0.13% of the portfolio, ranked #114.

Mattern Capital Management first reported a position in IT in Q1 2026 and has held it in 2 quarters since. The position peaked at $1.38M in Q1 2026. 650 funds tracked by Wall St. Rank hold IT as of Q2 2026.

  • Mattern Capital Management held 8,917 shares of Gartner worth $1.16M as of Q2 2026.
  • Mattern Capital Management bought 171 Gartner shares in Q2 2026, an estimated $25.8K.
  • Gartner made up 0.13% of Mattern Capital Management's portfolio in Q2 2026, its #114 holding.
  • Mattern Capital Management first reported a position in Gartner in Q1 2026 and has held it in 2 quarters since.
  • Mattern Capital Management's Gartner position peaked at $1.38M in Q1 2026.
  • 650 funds tracked by Wall St. Rank held Gartner as of Q2 2026.

Based on Mattern Capital Management's 13F filing for Q2 2026, filed 24 Jul 2026.