RTX Corporation
US ˙ NYSE ˙ US75513E1010

SecurityRTX / RTX Corporation
InstitutionFlagship Harbor Advisors, Llc
Latest Disclosed Ownership24,712 shares
Latest Disclosed Value $ 4,766,946
Flagship Harbor Advisors, Llc ownership in RTX / RTX Corporation

On April 28, 2026 - Flagship Harbor Advisors, Llc filed a 13F-HR form disclosing ownership of 24,712 shares of RTX Corporation (US:RTX) valued at $4,766,945 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 21, 2026 disclosing 23,854 shares of RTX Corporation. This represents a change in shares of 3.60% during the quarter. The current value of the position is $4,264,056 USD.

Flagship Harbor Advisors, Llc has a history of taking positions in derivatives of the underlying security (RTX) in the form of stock options. The firm currently holds call 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.

RTX / RTX Corporation 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)
2026-04-28 2026-03-31 13F RTX COM 75513E101 24,712 858 3.60 4,767 8.96 0.2096
2026-01-21 2025-12-31 13F RTX Common Stock 75513E101 23,854 -453 -1.86 4,375 7.55 0.2065
2025-11-05 2025-09-30 13F RTX COM 75513E101 24,307 440 1.84 4,067 16.70 0.1770
2025-08-04 2025-06-30 13F RTX COM 75513E101 23,867 146 0.62 3,485 10.92 0.1651
2025-04-22 2025-03-31 13F RTX COM 75513E101 23,721 -746 -3.05 3,142 10.99 0.1652
2025-01-21 2024-12-31 13F RTX COM 75513E101 24,467 -104 -0.42 2,831 -4.87 0.1487
2024-10-21 2024-09-30 13F RTX COM 75513E101 24,571 336 1.39 2,977 22.37 0.1635
2025-12-02 2024-06-30 13F RTX COM 75513E101 24,235 2,146 9.72 2,433 12.91 0.1462
2024-04-16 2024-03-31 13F RTX COM 75513E101 22,089 -495 -2.19 2,154 13.37 0.1384
2024-01-10 2023-12-31 13F RTX COM 75513E101 22,584 646 2.94 1,900 20.41 0.1382
2023-10-17 2023-09-30 13F RTX COM 75513E101 21,938 3,181 16.96 1,579 -14.10 0.1313
2023-07-11 2023-06-30 13F RAYTHEON TECHNOLOGIES COM 75513E101 18,757 -49 -0.26 1,837 -0.22 0.1518
2023-04-12 2023-03-31 13F RAYTHEON TECHNOLOGIES COM 75513E101 18,806 944 5.28 1,842 2.16 0.1735
2023-01-13 2022-12-31 13F RAYTHEON TECHNOLOGIES COM 75513E101 17,862 -655 -3.54 1,803 18.87 0.1848
2022-10-13 2022-09-30 13F RAYTHEON TECHNOLOGIES COM 75513E101 18,517 -348 -1.84 1,516 -16.38 0.1758
2022-07-13 2022-06-30 13F RAYTHEON TECHNOLOGIES COM 75513E101 18,865 -1,139 -5.69 1,813 -8.53 0.2036
2022-04-13 2022-03-31 13F RAYTHEON TECHNOLOGIES COM 75513E101 20,004 312 1.58 1,982 16.93 0.1910
2022-02-17 2021-12-31 13F/A-1 RAYTHEON TECHNOLOGIES COM 75513E101 19,692 4,051 25.90 1,695 27.06 0.1604
2022-02-10 2021-12-31 13F RAYTHEON TECHNOLOGIES COM 75513E101 19,692 4,051 1,695 0.1604
2021-11-01 2021-09-30 13F RAYTHEON TECHNOLOGIES COM 75513E101 15,641 0 0.00 1,334 0.00 0.1433
2021-07-26 2021-06-30 13F RAYTHEON TECHNOLOGIES COM 75513E101 15,641 -1,162 -6.92 1,334 2.77 0.1431
2021-05-03 2021-03-31 13F RAYTHEON TECHNOLOGIES COM 75513E101 16,803 832 5.21 1,298 13.66 0.1474
2021-02-08 2020-12-31 13F RAYTHEON TECHNOLOGIES COM 75513E101 15,971 -1,038 -6.10 1,142 16.77 0.1416
2020-10-13 2020-09-30 13F RAYTHEON TECHNOLOGIES Common Stock 75513E101 17,009 -4,373 -20.45 978 -25.74 0.1321
2020-07-31 2020-06-30 13F RAYTHEON TECHNOLOGIES Common Stock 75513E101 21,382 14,376 205.20 1,317 99.24 0.1934
2020-05-12 2020-03-31 13F UNITED TECHNOLOGIES Common Stock 913017109 7,006 -215 -2.98 661 -38.85 0.1322
2020-02-14 2019-12-31 13F UNITED TECHNOLOGIES Common Stock 913017109 7,221 1,178 19.49 1,081 31.03 0.1893
2019-10-22 2019-09-30 13F UNITED TECHNOLOGIES Common Stock 913017109 6,043 -121 -1.96 825 2.87 0.1617
2019-07-22 2019-06-30 13F UNITED TECHNOLOGIES Common Stock 913017109 6,164 203 3.41 802 4.43 0.1664
2019-04-15 2019-03-31 13F UNITED TECHNOLOGIES Common Stock 913017109 5,961 1,248 26.48 768 53.29 0.1578
2019-01-26 2018-12-31 13F UNITED TECHNOLOGIES COM 913017109 4,713 9 0.19 501 -24.43 0.1218
2018-11-05 2018-09-30 13F UNITED TECHNOLOGIES Common Stock 913017109 4,704 -307 -6.13 663 5.91 0.1229
2018-08-14 2018-06-30 13F UNITED TECHNOLOGIES Common Stock 913017109 5,011 942 23.15 626 25.45 0.1253
2018-04-23 2018-03-31 13F UNITED TECHNOLOGIES COM 913017109 4,069 -172 -4.06 499 -11.21 0.1484
2018-01-24 2017-12-31 13F UNITED TECHNOLOGIES COM 913017109 4,241 230 5.73 562 18.07 0.1615
2017-10-23 2017-09-30 13F UNITED TECHNOLOGIES COM 913017109 4,011 -480 -10.69 476 -13.30 0.1544
2017-08-09 2017-06-30 13F UNITED TECHNOLOGIES COM 913017109 4,491 406 9.94 549 20.13 0.1906
2017-05-16 2017-03-31 13F UNITED TECHNOLOGIES COM 913017109 4,085 496 13.82 457 13.68 0.1746
2017-05-15 2016-12-31 13F UNITED TECHNOLOGIES COM 913017109 3,589 3,589 402 0.1735
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
(%)
2020-02-14 2019-12-31 13F UNITED TECHNOLOG Listed Options Call 0 -100.00 0 -100.00 n/a n/a n/a
2019-10-22 2019-09-30 13F UNITED TECHNOLOG Listed Options Call 2 1 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.