Onterris, Inc.
DE ˙ MUN ˙ US6151111019
14,10 € ↑0,70 (5,22%)
2026-06-03
DEL PRIS
SecurityDE:5MO / Onterris, Inc.
InstitutionUBS Group AG
Latest Disclosed Ownership221,778 shares
Latest Disclosed Value $ 4,854,721
UBS Group AG ownership in 5MO / Onterris, Inc.

On May 5, 2026 - UBS Group AG filed a 13F-HR form disclosing ownership of 221,778 shares of Onterris, Inc. (DE:5MO) valued at $4,169,426 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 29, 2026 disclosing 63,244 shares of Onterris, Inc.. This represents a change in shares of 250.67% during the quarter. The current value of the position is $3,127,070 USD.

UBS Group AG has a history of taking positions in derivatives of the underlying security (5MO) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD and put options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

DE:5MO / Onterris, Inc. Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-05 2026-03-31 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 221,778 158,534 250.67 4,855 209.17 0.0001
2026-01-29 2025-12-31 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 63,244 -250,144 -79.82 1,570 -81.75 0.0003
2025-11-13 2025-09-30 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 313,388 -195,003 -38.36 8,606 -22.67 0.0013
2025-08-14 2025-06-30 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 508,391 -8,225 -1.59 11,129 51.07 0.0019
2025-05-13 2025-03-31 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 516,616 -38,375 -6.91 7,367 -28.45 0.0014
2025-02-14 2024-12-31 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 554,991 492,437 787.22 10,295 525.84 0.0019
2024-11-14 2024-09-30 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 62,554 4,079 6.98 1,645 -36.85 0.0004
2024-08-14 2024-06-30 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 58,475 -15,079 -20.50 2,606 -9.58 0.0006
2024-05-13 2024-03-31 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 73,554 -9,646 -11.59 2,881 7.78 0.0007
2024-02-09 2023-12-31 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 83,200 14,727 21.51 2,673 33.45 0.0008
2023-11-09 2023-09-30 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 68,473 -399 -0.58 2,004 -30.93 0.0007
2023-08-11 2023-06-30 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 68,872 3,884 5.98 2,901 25.11 0.0010
2023-05-12 2023-03-31 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 64,988 5,417 9.09 2,318 -12.33 0.0008
2023-02-08 2022-12-31 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 59,571 6,801 12.89 2,644 48.87 0.0010
2022-11-10 2022-09-30 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 52,770 -211 -0.40 1,776 -0.67 0.0008
2022-08-10 2022-06-30 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 52,981 20,761 64.44 1,788 4.87 0.0007
2022-05-16 2022-03-31 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 32,220 -146,227 -81.94 1,705 -86.45 0.0006
2022-02-14 2021-12-31 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 178,447 18,411 11.50 12,582 27.34 0.0036
2021-11-15 2021-09-30 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 160,036 691 0.43 9,881 15.57 0.0031
2021-08-13 2021-06-30 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 159,345 139,361 697.36 8,550 752.44 0.0028
2021-05-12 2021-03-31 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 19,984 2,370 13.46 1,003 84.04 0.0003
2021-02-11 2020-12-31 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 17,614 -28,501 -61.80 545 -50.36 0.0002
2020-11-12 2020-09-30 13F MONTROSE ENVIRONMENTAL GROUP COM 615111101 46,115 46,115 1,098 0.0004
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2023-05-12 2023-03-31 13F MONTROSE ENVIRONMENTAL GROUP COM Call 0 -100.00 0 -100.00 n/a n/a n/a
2023-02-08 2022-12-31 13F MONTROSE ENVIRONMENTAL GROUP COM Call 9,000 0.00 400 31.68 n/a n/a n/a
2022-11-10 2022-09-30 13F MONTROSE ENVIRONMENTAL GROUP COM Call 9,000 -82.00 303 -82.05 n/a n/a n/a
2022-08-10 2022-06-30 13F MONTROSE ENVIRONMENTAL GROUP COM Call 50,000 1,688 n/a n/a n/a
Disclosed Put Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share Price Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2023-05-12 2023-03-31 13F MONTROSE ENVIRONMENTAL GROUP COM Put 0 -100.00 0 -100.00 n/a n/a n/a
2023-02-08 2022-12-31 13F MONTROSE ENVIRONMENTAL GROUP COM Put 25,000 0.00 1,110 31.87 n/a n/a n/a
2022-11-10 2022-09-30 13F MONTROSE ENVIRONMENTAL GROUP COM Put 25,000 0.00 841 -0.36 n/a n/a n/a
2022-08-10 2022-06-30 13F MONTROSE ENVIRONMENTAL GROUP COM Put 25,000 844 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.