XT
ONT

XTX Topco’s Onterris Inc ONT Stock Holding History

XTX Topco’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
Q2 		$2.05M Buy
101,274
+64,512
+175% +$1.2M 0.03% 1084
2026
Q1 		$805K Buy
36,762
+21,218
+137% +$509K 0.01% 1608
2025
Q4 		$386K Buy
+15,544
New +$411K 0.01% 1844
2025
Q3 		– Sell
-26,808
Closed -$587K – 2991
2025
Q2 		$587K Buy
+26,808
New +$481K 0.02% 989
2025
Q1 		– Sell
-41,475
Closed -$769K – 2799
2024
Q4 		$769K Buy
41,475
+25,756
+164% +$542K 0.06% 451
2024
Q3 		$413K Buy
15,719
+7,048
+81% +$228K 0.03% 956
2024
Q2 		$386K Buy
+8,671
New +$390K 0.03% 804
2023
Q4 		– Sell
-7,122
Closed -$208K – 1894
2023
Q3 		$208K Buy
+7,122
New +$271K 0.04% 992

Other funds holding ONT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
BAMCO Inc
BAMCO Inc New York $66.6B AUM 7.35% 1-Year Est. Return
NAMI
Nomura Asset Management International Philadelphia, Pennsylvania $66.6B AUM
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
CM
Corvex Management New York $3.27B AUM 38.53% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return
Nomura Holdings
Nomura Holdings Tokyo, Japan $85.4B AUM 91.09% 1-Year Est. Return

XTX Topco's ONT Position: Q2 2026 in Review

XTX Topco increased its Onterris Inc (ONT) stake by 175% in Q2 2026, buying an estimated $1.2M and bringing the position to 101,274 shares worth $2.05M. The position accounts for 0.03% of the portfolio, ranked #1084.

XTX Topco first reported a position in ONT in Q3 2023 and has held it in 8 quarters since. 157 funds tracked by Wall St. Rank hold ONT as of Q2 2026.

  • XTX Topco held 101,274 shares of Onterris Inc worth $2.05M as of Q2 2026.
  • XTX Topco bought 64,512 Onterris Inc shares in Q2 2026, an estimated $1.2M.
  • Onterris Inc made up 0.03% of XTX Topco's portfolio in Q2 2026, its #1084 holding.
  • XTX Topco first reported a position in Onterris Inc in Q3 2023 and has held it in 8 quarters since.
  • 157 funds tracked by Wall St. Rank held Onterris Inc as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.