Jane Street’s Onterris Inc ONT Stock Holding History

Jane Street’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	–	Sell	-145,401	Closed	-$3.18M	–	12516
2026 Q1	$3.18M	Buy	145,401 +73,038	+101%	+$1.75M	﹤0.01%	4241
2025 Q4	$1.8M	Sell	72,363 -331,015	-82%	-$8.74M	﹤0.01%	5015
2025 Q3	$11.1M	Buy	403,378 +354,753	+730%	+$9.27M	﹤0.01%	2292
2025 Q2	$1.06M	Buy	+48,625	New	+$872K	﹤0.01%	5497
2024 Q4	–	Sell	-57,574	Closed	-$1.21M	–	10104
2024 Q3	$1.51M	Sell	57,574 -127	-0.2%	-$4.11K	﹤0.01%	5026
2024 Q2	$2.57M	Buy	57,701 +27,893	+94%	+$1.26M	﹤0.01%	4069
2024 Q1	$1.17M	Sell	29,808 -43,364	-59%	-$1.45M	﹤0.01%	5116
2023 Q4	$2.35M	Buy	73,172 +37,397	+105%	+$1.07M	﹤0.01%	4044
2023 Q3	$1.05M	Buy	35,775 +23,132	+183%	+$879K	﹤0.01%	5113
2023 Q2	$533K	Buy	12,643 +6,312	+100%	+$227K	﹤0.01%	6227
2023 Q1	$226K	Buy	+6,331	New	+$287K	﹤0.01%	7658
2021 Q3	–	Sell	-7,798	Closed	-$408K	–	10410
2021 Q2	$419K	Buy	+7,798	New	+$410K	﹤0.01%	7565

Other funds holding ONT

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

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 New York $1.15T AUM 47.82% 1-Year Est. Return

Corvex Management New York $3.27B AUM 38.53% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return

Nomura Holdings Tokyo, Japan $85.4B AUM 91.09% 1-Year Est. Return

Jane Street's ONT Position: Q2 2026 in Review

Jane Street sold out of Onterris Inc (ONT) in Q2 2026, closing a stake of 145,401 shares — an estimated $3.18M sold.

Jane Street first reported a position in ONT in Q2 2021 and held it in 12 quarters. The position peaked at $11.1M in Q3 2025. 156 funds tracked by Wall St. Rank hold ONT as of Q2 2026.

Jane Street reported no remaining Onterris Inc position as of Q2 2026 after selling out during the quarter.
Jane Street sold 145,401 Onterris Inc shares in Q2 2026, an estimated $3.18M.
Jane Street first reported a position in Onterris Inc in Q2 2021 and held it in 12 quarters.
Jane Street's Onterris Inc position peaked at $11.1M in Q3 2025.
156 funds tracked by Wall St. Rank held Onterris Inc as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.