MCM
O icon

Mattern Capital Management’s Realty Income O Stock Holding History

Mattern Capital Management’s Portfolio O Stock Details O Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.24M Sell
20,005
-71,831
-78% -$4.48M 0.14% 112
2026
Q1 		$5.62M Sell
91,836
-47,542
-34% -$2.98M 0.67% 76
2025
Q4 		$7.86M Buy
139,378
+4,619
+3% +$267K 0.93% 70
2025
Q3 		$8.19M Sell
134,759
-864
-0.6% -$50.3K 0.96% 55
2025
Q2 		$7.81M Buy
135,623
+1,900
+1% +$107K 0.94% 64
2025
Q1 		$7.76M Buy
133,723
+1,788
+1% +$99K 0.99% 64
2024
Q4 		$7.05M Buy
131,935
+1,847
+1% +$108K 0.92% 72
2024
Q3 		$8.25M Buy
130,088
+118
+0.1% +$7.02K 1.04% 58
2024
Q2 		$6.87M Buy
129,970
+442
+0.3% +$23.6K 0.95% 69
2024
Q1 		$7.01M Buy
129,528
+14,354
+12% +$777K 0.95% 70
2023
Q4 		$6.61M Buy
115,174
+11,971
+12% +$628K 0.96% 68
2023
Q3 		$5.15M Buy
103,203
+5,341
+5% +$307K 0.83% 76
2023
Q2 		$5.85M Buy
97,862
+4,539
+5% +$277K 0.95% 72
2023
Q1 		$5.91M Buy
93,323
+2,953
+3% +$191K 1.04% 63
2022
Q4 		$5.73M Buy
90,370
+3,905
+5% +$242K 1.06% 59
2022
Q3 		$5.03M Sell
86,465
-222
-0.3% -$15.3K 1.05% 60
2022
Q2 		$5.92M Sell
86,687
-124
-0.1% -$8.52K 1.17% 41
2022
Q1 		$6.02M Buy
86,811
+3,620
+4% +$246K 1.08% 50
2021
Q4 		$5.96M Buy
83,191
+4,182
+5% +$288K 1.04% 56
2021
Q3 		$4.97M Buy
79,009
+2,823
+4% +$191K 0.98% 65
2021
Q2 		$4.93M Buy
76,186
+4,207
+6% +$276K 0.97% 67
2021
Q1 		$4.43M Buy
71,979
+5,858
+9% +$347K 0.96% 72
2020
Q4 		$3.98M Buy
66,121
+2,853
+5% +$169K 0.94% 73
2020
Q3 		$3.72M Buy
63,268
+1,979
+3% +$117K 0.97% 71
2020
Q2 		$3.53M Buy
61,289
+4,531
+8% +$241K 1.03% 66
2020
Q1 		$2.74M Buy
56,758
+6,804
+14% +$474K 0.93% 73
2019
Q4 		$3.56M Buy
+49,954
New +$3.72M 0.99% 68

Other funds holding O

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
California State Teachers Retirement System (CalSTRS)
California State Teachers Retirement System (CalSTRS) West Sacramento, California $782B AUM 28.39% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

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

Mattern Capital Management reduced its Realty Income (O) stake by 78% in Q2 2026, selling an estimated $4.48M and leaving 20,005 shares worth $1.24M. The position accounts for 0.14% of the portfolio, ranked #112.

Mattern Capital Management first reported a position in O in Q4 2019 and has held it in 27 quarters since. The position peaked at $8.25M in Q3 2024. 1,453 funds tracked by Wall St. Rank hold O as of Q2 2026.

  • Mattern Capital Management held 20,005 shares of Realty Income worth $1.24M as of Q2 2026.
  • Mattern Capital Management sold 71,831 Realty Income shares in Q2 2026, an estimated $4.48M.
  • Realty Income made up 0.14% of Mattern Capital Management's portfolio in Q2 2026, its #112 holding.
  • Mattern Capital Management first reported a position in Realty Income in Q4 2019 and has held it in 27 quarters since.
  • Mattern Capital Management's Realty Income position peaked at $8.25M in Q3 2024.
  • 1,453 funds tracked by Wall St. Rank held Realty Income as of Q2 2026.

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