East West Bancorp, Inc.
US ˙ NasdaqGS ˙ US27579R1041

SecurityEWBC / East West Bancorp, Inc.
InstitutionRhumbline Advisers
Latest Disclosed Ownership380,411 shares
Latest Disclosed Value $ 40,612,624
Rhumbline Advisers reports 4.12% increase in ownership of EWBC / East West Bancorp, Inc.

On May 12, 2026 - Rhumbline Advisers filed a 13F-HR form disclosing ownership of 380,411 shares of East West Bancorp, Inc. (US:EWBC) valued at $40,612,678 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 365,361 shares of East West Bancorp, Inc.. This represents a change in shares of 4.12% during the quarter. The current value of the position is $47,908,961 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.

Upgrade to unlock premium data and export to Excel .

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)
2026-05-12 2026-03-31 13F EAST WEST BANCORP INC COM COM 27579R104 380,411 15,050 4.12 40,613 -1.10 0.0347
2026-02-13 2025-12-31 13F EAST WEST BANCORP INC COM COM 27579R104 365,361 -3,647 -0.99 41,063 4.54 0.0332
2025-11-06 2025-09-30 13F EAST WEST BANCORP INC COM COM 27579R104 369,008 -22,713 -5.80 39,281 -0.70 0.0315
2025-08-12 2025-06-30 13F EAST WEST BANCORP INC COM COM 27579R104 391,721 -1,629 -0.41 39,556 12.03 0.0339
2025-05-29 2025-03-31 13F/A-1 EAST WEST BANCORP INC COM COM 27579R104 393,350 -2,209 -0.56 35,307 -6.79 0.0330
2025-04-08 2025-03-31 13F EAST WEST BANCORP INC COM COM 27579R104 393,350 -2,209 35,307 0.0330
2025-05-29 2024-12-31 13F/A-1 EAST WEST BANCORP INC COM COM 27579R104 395,559 -4,950 -1.24 37,879 14.30 0.0339
2025-01-30 2024-12-31 13F EAST WEST BANCORP INC COM COM 27579R104 395,559 -4,950 37,879 0.0339
2024-11-12 2024-09-30 13F EAST WEST BANCORP INC COM COM 27579R104 400,509 -6,793 -1.67 33,138 11.10 0.0299
2024-08-01 2024-06-30 13F EAST WEST BANCORP INC COM COM 27579R104 407,302 -29,288 -6.71 29,827 -13.64 0.0280
2024-05-09 2024-03-31 13F EAST WEST BANCORP INC COM COM 27579R104 436,590 -26,014 -5.62 34,539 3.77 0.0332
2024-02-08 2023-12-31 13F EAST WEST BANCORP INC COM COM 27579R104 462,604 5,636 1.23 33,284 38.19 0.0349
2023-11-09 2023-09-30 13F EAST WEST BANCORP INC COM COM 27579R104 456,968 2,667 0.59 24,087 0.43 0.0280
2023-08-08 2023-06-30 13F EAST WEST BANCORP INC COM COM 27579R104 454,301 14,864 3.38 23,983 99,825.00 0.0269
2023-05-11 2023-03-31 13F EAST WEST BANCORP INC COM COM 27579R104 439,437 -5,603 -1.26 24 -99.92 0.0301
2023-02-14 2022-12-31 13F EAST WEST BANCORP INC COM COM 27579R104 445,040 18,518 4.34 29,328 2.41 0.0394
2022-11-10 2022-09-30 13F EAST WEST BANCORP INC COM COM 27579R104 426,522 38,574 9.94 28,637 13.91 0.0427
2022-08-11 2022-06-30 13F EAST WEST BANCORP INC COM COM 27579R104 387,948 36,323 10.33 25,139 -9.52 0.0367
2022-05-12 2022-03-31 13F EAST WEST BANCORP INC COM COM 27579R104 351,625 -8,251 -2.29 27,785 -1.87 0.0358
2022-02-10 2021-12-31 13F EAST WEST BANCORP INC COM COM 27579R104 359,876 -4,072 -1.12 28,315 0.33 0.0347
2021-11-12 2021-09-30 13F EAST WEST BANCORP INC COM COM 27579R104 363,948 -13,538 -3.59 28,221 4.28 0.0382
2021-08-05 2021-06-30 13F EAST WEST BANCORP INC COM COM 27579R104 377,486 -7,567 -1.97 27,062 -4.77 0.0355
2021-05-06 2021-03-31 13F EAST WEST BANCORP INC COM COM 27579R104 385,053 -3,950 -1.02 28,417 44.06 0.0386
2021-02-10 2020-12-31 13F EAST WEST BANCORP INC COM COM 27579R104 389,003 22,426 6.12 19,726 64.36 0.0272
2020-11-12 2020-09-30 13F EAST WEST BANCORP INC COM COM 27579R104 366,577 -9,946 -2.64 12,002 -12.04 0.0188
2020-08-13 2020-06-30 13F EAST WEST BANCORP INC COM COM 27579R104 376,523 -4,873 -1.28 13,645 38.99 0.0228
2020-05-06 2020-03-31 13F EAST WEST BANCORP INC COM COM 27579R104 381,396 34,400 9.91 9,817 -41.91 0.0206
2020-02-05 2019-12-31 13F EAST WEST BANCORP INC COM COM 27579R104 346,996 -10,698 -2.99 16,899 6.67 0.0283
2019-10-23 2019-09-30 13F EAST WEST BANCORP INC COM COM 27579R104 357,694 -3,012 -0.84 15,842 -6.09 0.0289
2019-08-14 2019-06-30 13F EAST WEST BANCORP INC COM COM 27579R104 360,706 -3,189 -0.88 16,870 -3.36 0.0317
2019-05-01 2019-03-31 13F EAST WEST BANCORP INC COM COM 27579R104 363,895 -11,730 -3.12 17,456 6.76 0.0338
2019-01-31 2018-12-31 13F EAST WEST BANCORP INC COM COM 27579R104 375,625 101,908 37.23 16,351 -1.05 0.0356
2018-11-07 2018-09-30 13F EAST WEST BANCORP INC COM COM 27579R104 273,717 -6,613 -2.36 16,524 -9.60 0.0319
2018-08-06 2018-06-30 13F EAST WEST BANCORP INC COM COM 27579R104 280,330 -2,736 -0.97 18,278 3.25 0.0369
2018-05-02 2018-03-31 13F EAST WEST BANCORP INC COM COM 27579R104 283,066 -16,315 -5.45 17,703 -2.79 0.0370
2018-02-09 2017-12-31 13F EAST WEST BANCORP INC COM COM 27579R104 299,381 12,796 4.46 18,211 6.30 0.0370
2017-11-06 2017-09-30 13F EAST WEST BANCORP INC COM COM 27579R104 286,585 -639 -0.22 17,132 1.82 0.0373
2017-08-02 2017-06-30 13F EAST WEST BANCORP INC COM COM 27579R104 287,224 -3,472 -1.19 16,826 12.15 0.0384
2017-05-02 2017-03-31 13F EAST WEST BANCORP INC COM COM 27579R104 290,696 427 0.15 15,003 1.69 0.0350
2017-01-27 2016-12-31 13F EAST WEST BANCORP INC COM COM 27579R104 290,269 19,427 7.17 14,754 48.39 0.0374
2016-11-08 2016-09-30 13F EAST WEST BANCORP INC COM COM 27579R104 270,842 7,601 2.89 9,943 10.50 0.0274
2016-08-11 2016-06-30 13F EAST WEST BANCORP INC COM COM 27579R104 263,241 8,306 3.26 8,998 8.67 0.0267
2016-05-02 2016-03-31 13F EAST WEST BANCORP INC COMMON S COM 27579R104 254,935 44,850 21.35 8,280 -5.17 0.0257
2016-02-03 2015-12-31 13F EAST WEST BANCORP INC COMMON S COM 27579R104 210,085 5,682 2.78 8,731 11.18 0.0281
2015-11-04 2015-09-30 13F EAST WEST BANCORP INC COMMON S COM 27579R104 204,403 10,746 5.55 7,853 -9.53 0.0267
2015-08-04 2015-06-30 13F EAST WEST BANCORP INC COMMON S COM 27579R104 193,657 -836 -0.43 8,680 10.31 0.0277
2015-05-12 2015-03-31 13F EAST WEST BANCORP INC COMMON S COM 27579R104 194,493 15,890 8.90 7,869 13.81 0.0227
2015-02-06 2014-12-31 13F EAST WEST BANCORP INC COMMON S COM 27579R104 178,603 4,320 2.48 6,914 16.67 0.0201
2014-11-12 2014-09-30 13F EAST WEST BANCORP INC COMMON S COM 27579R104 174,283 2,188 1.27 5,926 -1.59 0.0178
2014-08-06 2014-06-30 13F EAST WEST BANCORP INC COMMON S COM 27579R104 172,095 -22,754 -11.68 6,022 -15.33 0.0177
2014-05-06 2014-03-31 13F EAST WEST BANCORP INC COMMON S COM 27579R104 194,849 4,728 2.49 7,112 6.96 0.0211
2014-02-03 2013-12-31 13F EAST WEST BANCORP INC COMMON S COM 27579R104 190,121 -18,366 -8.81 6,649 -0.18 0.0196
2013-11-05 2013-09-30 13F EAST WEST BANCORP INC COMMON S COM 27579R104 208,487 -805 -0.38 6,661 15.72 0.0206
2013-08-07 2013-06-30 13F EAST WEST BANCORP INC COMMON S COM 27579R104 209,292 209,292 5,756 0.0185
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.