Delta Air Lines, Inc.
US ˙ NYSE ˙ US2473617023

SecurityDAL / Delta Air Lines, Inc.
InstitutionHarbor Advisors LLC
Latest Disclosed Ownership4,602 shares
Latest Disclosed Value $ 305,941
Harbor Advisors LLC ownership in DAL / Delta Air Lines, Inc.

On May 7, 2026 - Harbor Advisors LLC filed a 13F-HR form disclosing ownership of 4,602 shares of Delta Air Lines, Inc. (US:DAL) valued at $305,941 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 30, 2026 disclosing 4,602 shares of Delta Air Lines, Inc.. This represents a change in shares of 0.00% during the quarter. The current value of the position is $362,546 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)
2026-05-07 2026-03-31 13F DELTA AIR LINES COM NEW 247361702 4,602 0 0.00 306 -4.39 0.0442
2026-01-30 2025-12-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 4,602 0 0.00 319 22.22 0.0480
2025-11-12 2025-09-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 4,602 0 0.00 261 15.49 0.0403
2025-08-13 2025-06-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 4,602 0 0.00 226 13.00 0.0370
2025-05-15 2025-03-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 4,602 0 0.00 201 -28.06 0.0348
2025-02-11 2024-12-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 4,602 0 0.00 278 19.31 0.0437
2024-11-14 2024-09-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 4,602 0 0.00 234 6.88 0.0391
2024-07-30 2024-06-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 4,602 0 0.00 218 -0.91 0.0400
2024-05-01 2024-03-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 4,602 4,602 220 0.0405
2023-11-07 2023-09-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 0 -4,602 -100.00 0 -100.00
2023-08-15 2023-06-30 13F/A-1 DELTA AIR LINES INC DEL COM NEW 247361702 4,602 4,602 219 0.0465
2023-08-01 2023-06-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 4,602 219
2022-05-16 2022-03-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 0 -14,602 -100.00 0 -100.00
2022-02-14 2021-12-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 571 -8.20 0.1062
2021-10-29 2021-09-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 622 -1.58 0.1244
2021-08-03 2021-06-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 632 -10.35 0.1250
2021-05-04 2021-03-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 705 20.10 0.1563
2021-02-11 2020-12-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 587 31.32 0.1314
2020-11-09 2020-09-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 447 9.02 0.1050
2020-08-03 2020-06-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 410 -1.68 0.1051
2020-05-21 2020-03-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 417 -51.17 0.1265
2020-02-13 2019-12-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 854 1.55 0.2314
2019-11-13 2019-09-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 841 1.45 0.2407
2019-08-14 2019-06-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 829 9.95 0.2478
2019-05-15 2019-03-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 754 3.43 0.2430
2019-02-15 2018-12-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 729 -13.63 0.2835
2018-11-14 2018-09-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 844 16.74 0.2621
2018-08-07 2018-06-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 723 -9.62 0.2328
2018-05-11 2018-03-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 800 -2.20 0.2694
2018-02-07 2017-12-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 0 0.00 818 16.19 0.2778
2017-10-26 2017-09-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 14,602 5,000 52.07 704 36.43 0.2578
2017-08-14 2017-06-30 13F DELTA AIR LINES INC DEL COM NEW 247361702 9,602 5,000 108.65 516 143.40 0.2041
2017-05-15 2017-03-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 4,602 0 0.00 212 -6.19 0.0903
2017-01-30 2016-12-31 13F DELTA AIR LINES INC DEL COM NEW 247361702 4,602 4,602 226 0.1084
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.