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Headlands Technologies’s Iron Mountain IRM Stock Holding History

Headlands Technologies’s Portfolio IRM Stock Details IRM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		– Sell
-1,122
Closed -$115K – 944
2025
Q2 		$115K Buy
+1,122
New +$106K 0.01% 596
2024
Q2 		– Sell
-471
Closed -$37.8K – 1364
2024
Q1 		$37.8K Buy
+471
New +$34.1K 0.01% 776

Other funds holding IRM

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Headlands Technologies's IRM Position: Q3 2025 in Review

Headlands Technologies sold out of Iron Mountain (IRM) in Q3 2025, closing a stake of 1,122 shares — an estimated $115K sold.

Headlands Technologies first reported a position in IRM in Q1 2024 and held it in 2 quarters. The position peaked at $115K in Q2 2025. 1,015 funds tracked by Wall St. Rank hold IRM as of Q3 2025.

  • Headlands Technologies reported no remaining Iron Mountain position as of Q3 2025 after selling out during the quarter.
  • Headlands Technologies sold 1,122 Iron Mountain shares in Q3 2025, an estimated $115K.
  • Headlands Technologies first reported a position in Iron Mountain in Q1 2024 and held it in 2 quarters.
  • Headlands Technologies's Iron Mountain position peaked at $115K in Q2 2025.
  • 1,015 funds tracked by Wall St. Rank held Iron Mountain as of Q3 2025.

Based on Headlands Technologies's 13F filing for Q3 2025, filed 12 Nov 2025.