Mattern Capital Management
IT icon

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
Q3 		$1.57M Sell
8,418
-499
-6% -$85.1K 0.18% 104
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

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Diamond Hill Capital Management
Diamond Hill Capital Management Columbus, Ohio $9.18B AUM 10.37% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Black Creek Investment Management
Black Creek Investment Management Toronto, Ontario, Canada $1.8B AUM 5.03% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Amundi
Amundi Paris, France $496B AUM 35.36% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return
Citigroup
Citigroup New York $308B AUM 40.94% 1-Year Est. Return
Connor, Clark & Lunn Investment Management (CC&L)
Connor, Clark & Lunn Investment Management (CC&L) Vancouver, British Columbia, Canada $57.2B AUM 42.49% 1-Year Est. Return

Mattern Capital Management's IT Position: Q3 2026 in Review

Mattern Capital Management reduced its Gartner (IT) stake by 5.6% in Q3 2026, selling an estimated $85.1K and leaving 8,418 shares worth $1.57M. The position accounts for 0.18% of the portfolio, ranked #104.

Mattern Capital Management first reported a position in IT in Q1 2026 and has held it in 3 quarters since. 399 funds tracked by Wall St. Rank hold IT as of Q3 2026.

  • Mattern Capital Management held 8,418 shares of Gartner worth $1.57M as of Q3 2026.
  • Mattern Capital Management sold 499 Gartner shares in Q3 2026, an estimated $85.1K.
  • Gartner made up 0.18% of Mattern Capital Management's portfolio in Q3 2026, its #104 holding.
  • Mattern Capital Management first reported a position in Gartner in Q1 2026 and has held it in 3 quarters since.
  • 399 funds tracked by Wall St. Rank held Gartner as of Q3 2026.

Based on Mattern Capital Management's 13F filing for Q3 2026, filed 2 Nov 2026.