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LOOMIS SAYLES & CO L P

CIK
312348
City
BOSTON
State / Country
MA

Top Portfolio Positions

633 positions · $73,174,355,341 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio Open

Portfolio Trend

25 quarters · across all stocks

Holdings in SEIC

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Shares Held

Position Value (USD)

30 quarters on record
Report Date Value (USD) Shares
2026-03-31 $677,108,134 8,628,879
2026-03-31 $681,395,735 8,683,519
2025-12-31 $722,501,466 8,808,845
2025-12-31 $717,234,880 8,744,634
2025-09-30 $761,623,951 8,976,122
2025-09-30 $761,617,756 8,976,049
2025-06-30 $794,474,635 8,841,249
2025-06-30 $798,564,882 8,886,767
2025-03-31 $676,937,558 8,720,051
2024-12-31 $728,901,081 8,837,307
2024-12-31 $730,950,132 8,862,150
2024-09-30 $632,945,206 9,147,929
2024-06-30 $610,829,178 9,442,405
2024-03-31 $673,509,157 9,367,304
2023-12-31 $603,168,746 9,491,247
2023-09-30 $579,001,469 9,613,174
2023-06-30 $592,660,180 9,940,627
2023-03-31 $588,382,509 10,223,849
2022-12-31 $611,647,045 10,491,373
2022-09-30 $546,470,757 11,141,096
2022-06-30 $624,094,788 11,553,032
2022-03-31 $766,062,486 12,723,177
2021-12-31 $802,661,276 13,171,337
2021-09-30 $823,228,572 13,882,438
2021-06-30 $859,885,061 13,875,828
2021-03-31 $881,358,785 14,465,104
2020-12-31 $854,476,257 14,868,214
2020-09-30 $798,143,867 15,736,275
2020-06-30 $874,614,747 15,907,871
2020-03-31 $726,845,263 15,685,051