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Onterris, Inc. · 13F filings

ONT Institutional Ownership

Holdings as of Jun 30, 2026From SEC Form 13FUpdated

Who owns Onterris, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 157 funds reported holding ONT at Jun 30, 2026, together owning 108.3% of the company.

← ONT stock page

Fund sentiment
Neutral
Strongly bearishNeutralStrongly bullish
  • ●88 buying vs 87 selling
  • ▲Held by funds +11.9 pts
  • ▼Funds holding -14
  • ●Superinvestors: 1 added, 1 cut
  • ●Put/call not meaningful

What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.

Funds holding157−14 vs Q1 2026
Held by funds108.3%+11.9 pts
Value held$772M38M shares
Put/call ratio1.10down from 3.33

Funds holding and ownership

8 quarters
Q3 2024: 180 fundsQ3 '24Q4 2024: 164 fundsQ4 '24Q1 2025: 165 fundsQ1 '25Q2 2025: 162 fundsQ2 '25Q3 2025: 187 fundsQ3 '25Q4 2025: 186 fundsQ4 '25Q1 2026: 171 fundsQ1 '26Q2 2026: 157 fundsQ2 '26108.3% owned
Funds holdingHeld by funds %

Quarter over quarter

all 13F filers
Q2 2026This quarterQ1 2026Change
Funds holding157171−8.2%
In funds' top 1000–
13F shares38M33.9M+12.4%
Held by funds108.3%96.4%+11.9 pts
New positions2418+33.3%
Increased6460+6.7%
Reduced4958−15.5%
Sold out3837+2.7%
Calls (shares)124K30K+312.7%
Puts (shares)136K100K+35.7%
Put/call ratio1.103.33−67.1%

Buyers vs sellers

adding or new vs cutting or sold out
Q4 2024: 93 buyingQ4 2024: 94 sellingQ4 '24Q1 2025: 86 buyingQ1 2025: 75 sellingQ1 '25Q2 2025: 94 buyingQ2 2025: 81 sellingQ2 '25Q3 2025: 103 buyingQ3 2025: 75 sellingQ3 '25Q4 2025: 92 buyingQ4 2025: 88 sellingQ4 '25Q1 2026: 78 buyingQ1 2026: 95 sellingQ1 '26Q2 2026: 88 buyingQ2 2026: 87 sellingQ2 '26
Buying 88Selling 87latest quarter

Superinvestors in ONT

All superinvestors →

Who owns ONT

share of fund held shares
  • Index and passive funds25.2%
  • Active managers and hedge funds49.2%
  • Banks and brokers25.2%
  • Pensions, insurers and other0.3%

The top 10 holders own 47.6% of all ONT shares that funds reported. Groups are our own grouping of filers by name.

Put/call ratio

funds' options, market makers left out
1.00Q4 2024: 0.77Q4 '24Q1 2025: 0.79Q1 '25Q2 2025: 0.45Q2 '25Q3 2025: 0.03Q3 '25Q4 2025: 0.02Q4 '25Q1 2026: 3.33Q1 '26Q2 2026: 1.10Q2 '261.10

Above 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.

Filed so far for Q3 2026

29 funds changed their position

🔒 Free account: see all 20.

Top holders

Q2 2026
#FundOf companySharesValueChange
1BlackRock, Inc.9.33%3.3M$66.2M+124K
2Bamco Inc /ny/6.09%2.1M$43.2M−31K
3Nomura Asset Management International Inc.5.97%2.1M$42.4M+566K
4Goldman Sachs Group Inc5.50%1.9M$39M−30K
5Corvex Management LP5.04%1.8M$35.8M+1.8M
6Alliancebernstein L.P.4.24%1.5M$32.6M+359K
7Vanguard Capital Management LLC4.14%1.5M$29.4M+17K
8Fmr LLC4.11%1.4M$29.2M+875K
9UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AME3.57%1.3M$25.3M−264K
10Nomura Holdings Inc3.56%1.2M$25.2M+1.2M
🔒 15 more top holders. Create a free account or sign in to see them.
Biggest buyers
Biggest sellers

ONT institutional ownership FAQ

Who owns the most ONT stock?

In Q2 2026 13F filings the largest holder of ONT was BlackRock, Inc., followed by Bamco Inc /ny/ and Nomura Asset Management International Inc.. Index fund managers are usually the biggest holders of large companies.

What percentage of ONT is owned by institutions?

Funds that file 13F reports held 108.3% of ONT's shares at Jun 30, 2026, compared with 96.4% a quarter earlier. That counts every manager with more than $100 million in US stocks.

Are hedge funds buying ONT?

In Q2 2026, 88 funds bought ONT (24 of them new positions) and 87 sold (38 sold out completely). Among well known investors, 1 added and 1 cut. Our fund sentiment for ONT is neutral.

What is ONT's institutional put/call ratio?

Funds reported $2.7M of ONT puts against $2.5M of calls, a put/call ratio of 1.10 (3.33 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.

How current is this ONT ownership data?

13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.