Booking Holdings Inc.
MX ˙ BMV ˙ US09857L1089
SecurityMX:BKNG / Booking Holdings Inc.
InstitutionFlagship Harbor Advisors, Llc
Latest Disclosed Ownership341 shares
Latest Disclosed Value $ 1,434,277
Flagship Harbor Advisors, Llc reports 14.81% increase in ownership of BKNG / Booking Holdings Inc.

On April 28, 2026 - Flagship Harbor Advisors, Llc filed a 13F-HR form disclosing ownership of 341 shares of Booking Holdings Inc. (MX:BKNG) valued at $1,434,277 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 21, 2026 disclosing 297 shares of Booking Holdings Inc.. This represents a change in shares of 14.81% during the quarter.

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)
2026-04-28 2026-03-31 13F BOOKING HOLDINGS COM 09857L108 341 44 14.81 1,434 -9.98 0.0631
2026-01-21 2025-12-31 13F BOOKING HOLDINGS Common Stock 09857L108 297 -105 -26.12 1,593 -26.62 0.0752
2025-11-05 2025-09-30 13F BOOKING HOLDINGS COM 09857L108 402 3 0.75 2,172 -5.98 0.0945
2025-08-04 2025-06-30 13F BOOKING HOLDINGS COM 09857L108 399 -1 -0.25 2,310 25.42 0.1094
2025-04-22 2025-03-31 13F BOOKING HOLDINGS COM 09857L108 400 -2 -0.50 1,842 -7.90 0.0968
2025-01-21 2024-12-31 13F BOOKING HOLDINGS COM 09857L108 402 2 0.50 2,000 18.64 0.1050
2024-10-21 2024-09-30 13F BOOKING HOLDINGS COM 09857L108 400 23 6.10 1,686 13.01 0.0926
2025-12-02 2024-06-30 13F BOOKING HOLDINGS COM 09857L108 377 29 8.33 1,491 18.05 0.0897
2024-04-16 2024-03-31 13F BOOKING HOLDINGS COM 09857L108 348 -30 -7.94 1,263 -5.75 0.0812
2024-01-10 2023-12-31 13F BOOKING HOLDINGS COM 09857L108 378 55 17.03 1,341 34.54 0.0975
2023-10-17 2023-09-30 13F BOOKING HOLDINGS COM 09857L108 323 15 4.87 996 19.86 0.0828
2023-07-11 2023-06-30 13F BOOKING HOLDINGS COM 09857L108 308 -22 -6.67 832 -4.81 0.0687
2023-04-12 2023-03-31 13F BOOKING HOLDINGS COM 09857L108 330 22 7.14 874 41.03 0.0823
2023-01-13 2022-12-31 13F BOOKING HOLDINGS COM 09857L108 308 -3 -0.96 620 21.14 0.0635
2022-10-13 2022-09-30 13F BOOKING HOLDINGS COM 09857L108 311 -7 -2.20 511 -8.09 0.0593
2022-07-13 2022-06-30 13F BOOKING HOLDINGS COM 09857L108 318 33 11.58 556 -16.89 0.0625
2022-04-13 2022-03-31 13F BOOKING HOLDINGS COM 09857L108 285 27 10.47 669 8.08 0.0645
2022-02-17 2021-12-31 13F/A-1 BOOKING HOLDINGS COM 09857L108 258 25 10.73 619 21.37 0.0586
2022-02-10 2021-12-31 13F BOOKING HOLDINGS COM 09857L108 258 25 619 0.0586
2021-11-01 2021-09-30 13F BOOKING HOLDINGS COM 09857L108 233 0 0.00 510 0.00 0.0548
2021-07-26 2021-06-30 13F BOOKING HOLDINGS COM 09857L108 233 65 38.69 510 30.43 0.0547
2021-05-03 2021-03-31 13F BOOKING HOLDINGS COM 09857L108 168 12 7.69 391 12.68 0.0444
2021-02-08 2020-12-31 13F BOOKING HOLDINGS COM 09857L108 156 -10 -6.02 347 22.61 0.0430
2020-10-13 2020-09-30 13F BOOKING HOLDINGS Common Stock 09857L108 166 -6 -3.49 283 3.66 0.0382
2020-07-31 2020-06-30 13F BOOKING HOLDINGS Common Stock 09857L108 172 2 1.18 273 19.21 0.0401
2020-05-12 2020-03-31 13F BOOKING HOLDINGS Common Stock 09857L108 170 16 10.39 229 -27.53 0.0458
2020-02-14 2019-12-31 13F BOOKING HOLDINGS Common Stock 09857L108 154 -12 -7.23 316 -2.77 0.0553
2019-10-22 2019-09-30 13F BOOKING HOLDINGS Common Stock 09857L108 166 -30 -15.31 325 -11.44 0.0637
2019-07-22 2019-06-30 13F BOOKING HOLDINGS Common Stock 09857L108 196 -34 -14.78 367 -8.48 0.0762
2019-04-15 2019-03-31 13F BOOKING HOLDINGS Common Stock 09857L108 230 -15 -6.12 401 -4.75 0.0824
2019-01-26 2018-12-31 13F BOOKING HOLDINGS COM 09857L108 245 0 0.00 421 -13.55 0.1023
2018-11-05 2018-09-30 13F BOOKING HOLDINGS Common Stock 09857L108 245 -5 -2.00 487 -3.75 0.0903
2018-08-14 2018-06-30 13F BOOKING HOLDINGS Common Stock 09857L108 250 15 6.38 506 6.53 0.1013
2018-04-23 2018-03-31 13F BOOKING HLDGS COM 09857L108 235 235 475 0.1412
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.