BAMCO Inc
ONT

BAMCO Inc’s Onterris Inc ONT Stock Holding History

BAMCO Inc’s Portfolio ONT Stock Details ONT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$47.5M Buy
2,168,183
+7,584
+0.4% +$182K 0.14% 116
2025
Q4 		$53.6M Buy
2,160,599
+136
+0% +$3.59K 0.15% 126
2025
Q3 		$59.3M Sell
2,160,463
-603,932
-22% -$15.8M 0.16% 119
2025
Q2 		$60.5M Buy
2,764,395
+68,713
+3% +$1.23M 0.16% 114
2025
Q1 		$38.4M Buy
2,695,682
+403,052
+18% +$7.67M 0.11% 147
2024
Q4 		$42.5M Buy
2,292,630
+1,050,000
+84% +$22.1M 0.11% 148
2024
Q3 		$32.7M Buy
1,242,630
+86,000
+7% +$2.78M 0.09% 168
2024
Q2 		$51.5M Buy
1,156,630
+2,600
+0.2% +$117K 0.15% 128
2024
Q1 		$45.2M Buy
1,154,030
+102,536
+10% +$3.44M 0.12% 141
2023
Q4 		$33.8M Buy
1,051,494
+41,657
+4% +$1.2M 0.09% 164
2023
Q3 		$29.5M Hold
1,009,837
– – 0.09% 160
2023
Q2 		$42.5M Buy
1,009,837
+53,650
+6% +$1.93M 0.12% 139
2023
Q1 		$34.1M Buy
956,187
+249,850
+35% +$11.3M 0.1% 155
2022
Q4 		$31.4M Sell
706,337
-54,800
-7% -$2.32M 0.11% 144
2022
Q3 		$25.6M Hold
761,137
– – 0.08% 169
2022
Q2 		$25.7M Buy
761,137
+109,600
+17% +$4.58M 0.08% 182
2022
Q1 		$34.5M Hold
651,537
– – 0.08% 178
2021
Q4 		$45.9M Hold
651,537
– – 0.1% 170
2021
Q3 		$40.2M Buy
651,537
+51,895
+9% +$2.71M 0.09% 192
2021
Q2 		$32.2M Buy
599,642
+23,919
+4% +$1.26M 0.07% 209
2021
Q1 		$28.9M Buy
575,723
+25,723
+5% +$1.09M 0.07% 190
2020
Q4 		$17M Hold
550,000
– – 0.04% 230
2020
Q3 		$13.1M Buy
+550,000
New +$14M 0.04% 224

Other funds holding ONT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $58.4B AUM
UBS AM
UBS AM Chicago, Illinois $481B AUM 26.39% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
Amundi
Amundi Paris, France $367B AUM 31.23% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return

BAMCO Inc's ONT Position: Q1 2026 in Review

BAMCO Inc increased its Onterris Inc (ONT) stake by 0.35% in Q1 2026, buying an estimated $182K and bringing the position to 2,168,183 shares worth $47.5M. The position accounts for 0.14% of the portfolio, ranked #116.

BAMCO Inc first reported a position in ONT in Q3 2020 and has held it in 23 quarters since. The position peaked at $60.5M in Q2 2025. 171 funds tracked by Wall St. Rank hold ONT as of Q1 2026.

  • BAMCO Inc held 2,168,183 shares of Onterris Inc worth $47.5M as of Q1 2026.
  • BAMCO Inc bought 7,584 Onterris Inc shares in Q1 2026, an estimated $182K.
  • Onterris Inc made up 0.14% of BAMCO Inc's portfolio in Q1 2026, its #116 holding.
  • BAMCO Inc first reported a position in Onterris Inc in Q3 2020 and has held it in 23 quarters since.
  • BAMCO Inc's Onterris Inc position peaked at $60.5M in Q2 2025.
  • 171 funds tracked by Wall St. Rank held Onterris Inc as of Q1 2026.

Based on BAMCO Inc's 13F filing for Q1 2026, filed 15 May 2026.