Southwest Airlines Co.
DE ˙ XTRA ˙ US8447411088
35,00 € ↓ -1,12 (-3,10%)
2026-06-04
DEL PRIS
SecurityDE:SWN / Southwest Airlines Co.
InstitutionAdvisory Services Network, LLC
Latest Disclosed Ownership7,289 shares
Latest Disclosed Value $ 273,852
Advisory Services Network, LLC reports 4.48% decrease in ownership of SWN / Southwest Airlines Co.

On May 15, 2026 - Advisory Services Network, LLC filed a 13F-HR form disclosing ownership of 7,289 shares of Southwest Airlines Co. (DE:SWN) valued at $235,362 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 7,631 shares of Southwest Airlines Co.. This represents a change in shares of -4.48% during the quarter. The current value of the position is $255,115 USD.

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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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)
2026-05-15 2026-03-31 13F SOUTHWEST AIRLS CO COM Stock 844741108 7,289 -342 -4.48 274 -13.33 0.0025
2026-02-17 2025-12-31 13F SOUTHWEST AIRLS CO COM Stock 844741108 7,631 -132 -1.70 315 27.53 0.0045
2025-11-18 2025-09-30 13F SOUTHWEST AIRLS Stock 844741108 7,763 7,763 248 0.0036
2025-08-19 2025-06-30 13F SOUTHWEST AIRLS Stock 844741108 0 -7,851 -100.00 0 -100.00
2025-05-15 2025-03-31 13F SOUTHWEST AIRLS Stock 844741108 7,851 -7,087 -47.44 264 -47.61 0.0051
2025-02-13 2024-12-31 13F SOUTHWEST AIRLS Stock 844741108 14,938 135 0.91 502 18.68 0.0094
2024-11-14 2024-09-30 13F SOUTHWEST AIRLS Stock 844741108 14,803 0 0.00 424 0.00 0.0088
2024-08-13 2024-06-30 13F SOUTHWEST AIRLS Stock 844741108 14,803 3,862 35.30 424 32.60 0.0088
2024-05-06 2024-03-31 13F SOUTHWEST AIRLS Stock 844741108 10,941 -1,008 -8.44 319 -7.54 0.0071
2024-02-09 2023-12-31 13F SOUTHWEST AIRLS Stock 844741108 11,949 2,016 20.30 345 28.73 0.0084
2023-11-14 2023-09-30 13F SOUTHWEST AIRLS Stock 844741108 9,933 -20 -0.20 269 -25.56 0.0072
2023-08-09 2023-06-30 13F SOUTHWEST AIRLS Stock 844741108 9,953 -1,914 -16.13 360 -6.74 0.0096
2023-05-17 2023-03-31 13F SOUTHWEST AIRLS Stock 844741108 11,867 2,043 20.80 386 16.97 0.0107
2023-02-13 2022-12-31 13F SOUTHWEST AIRLS Stock 844741108 9,824 -12,894 -56.76 331 -52.86 0.0101
2022-11-14 2022-09-30 13F SOUTHWEST AIRLS Stock 844741108 22,718 -2,386 -9.50 700 -22.82 0.0247
2022-08-02 2022-06-30 13F SOUTHWEST AIRLS Stock 844741108 25,104 -1,706 -6.36 907 -26.14 0.0310
2022-05-23 2022-03-31 13F SOUTHWEST AIRLS Stock 844741108 26,810 -12,260 -31.38 1,228 -26.64 0.0361
2022-02-14 2021-12-31 13F SOUTHWEST AIRLS Stock 844741108 39,070 1,495 3.98 1,674 -13.35 0.0482
2021-11-05 2021-09-30 13F SOUTHWEST AIRLS Stock 844741108 37,575 -10,524 -21.88 1,932 -24.32 0.0614
2021-08-12 2021-06-30 13F SOUTHWEST AIRLS Stock 844741108 48,099 17,246 55.90 2,553 35.58 0.0805
2021-05-24 2021-03-31 13F SOUTHWEST AIRLS Stock 844741108 30,853 -2,874 -8.52 1,883 19.78 0.0700
2021-02-09 2020-12-31 13F SOUTHWEST AIRLS Stock 844741108 33,727 -9,320 -21.65 1,572 -2.60 0.0631
2020-11-16 2020-09-30 13F SOUTHWEST AIRLS Stock 844741108 43,047 -8,168 -15.95 1,614 -7.77 0.0760
2020-08-10 2020-06-30 13F SOUTHWEST AIRLINES Stock 844741108 51,215 39,012 319.69 1,750 302.30 0.0960
2020-05-15 2020-03-31 13F SOUTHWEST AIRLS Stock 844741108 12,203 -1,208 -9.01 435 -39.92 0.0285
2020-02-04 2019-12-31 13F SOUTHWEST AIRLS Stock 844741108 13,411 -3,461 -20.51 724 -15.52 0.0381
2019-11-04 2019-09-30 13F SOUTHWEST AIRLS Stock 844741108 16,872 0 0.00 857 0.00 0.0525
2019-08-01 2019-06-30 13F SOUTHWEST AIRLS Stock 844741108 16,872 -1,945 -10.34 857 -12.28 0.0525
2019-05-20 2019-03-31 13F SOUTHWEST AIRLS Stock 844741108 18,817 15,303 435.49 977 499.39 0.0686
2019-02-15 2018-12-31 13F SOUTHWEST AIRLS Stock 844741108 3,514 -457 -11.51 163 -34.27 0.0142
2018-11-02 2018-09-30 13F SOUTHWEST AIRLS Stock 844741108 3,971 -7,119 -64.19 248 -60.57 0.0181
2018-07-27 2018-06-30 13F SOUTHWEST AIRLS Stock 844741108 11,090 -5,597 -33.54 629 -34.21 0.0479
2018-04-23 2018-03-31 13F SOUTHWEST AIRLS Stock 844741108 16,687 -544 -3.16 956 -15.25 0.0764
2018-02-08 2017-12-31 13F SOUTHWEST AIRLS Stock 844741108 17,231 3,981 30.05 1,128 52.02 0.0983
2017-10-12 2017-09-30 13F SOUTHWEST AIRLS Stock 844741108 13,250 -466 -3.40 742 -12.91 0.0849
2017-08-17 2017-06-30 13F SOUTHWEST AIRLS CO COM Stock 844741108 13,716 132 0.97 852 16.71 0.1110
2017-04-28 2017-03-31 13F SOUTHWEST AIRLS CO COM Stock 844741108 13,584 -4,453 -24.69 730 4.14 0.1060
2016-10-07 2016-09-30 13F SOUTHWEST AIRLS Stock 844741108 18,037 1,776 10.92 701 9.87 0.1318
2016-07-27 2016-06-30 13F SOUTHWEST AIRLS Stock 844741108 16,261 71 0.44 638 -12.00 0.1450
2016-04-21 2016-03-31 13F SOUTHWEST AIRLS Stock 844741108 16,190 -1,382 -7.86 725 -4.23 0.1980
2016-01-27 2015-12-31 13F SOUTHWEST AIRLS CO COM Stock 844741108 17,572 -8,066 -31.46 757 -22.36 0.2434
2015-10-01 2015-09-30 13F SOUTHWEST AIRLS CO COM Stock 844741108 25,638 11,077 76.07 975 105.26 0.2944
2015-07-02 2015-06-30 13F SOUTHWEST AIRLS CO COM Stock 844741108 14,561 472 3.35 475 -18.10 0.1401
2015-04-08 2015-03-31 13F SOUTHWEST AIRLS CO COM Stock 844741108 14,089 1,882 15.42 580 16.47 0.1602
2015-01-23 2014-12-31 13F SOUTHWEST AIRLINES Stock 844741108 12,207 1,260 11.51 498 34.59 0.1557
2014-10-07 2014-09-30 13F SOUTHWEST AIRLINES Stock 844741108 10,947 2,293 26.50 370 59.48 0.1353
2014-07-10 2014-06-30 13F SOUTHWEST AIRLINES Stock 844741108 8,654 8,654 232 0.0982
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.