13F Filings History of BAMCO INC /NY/

Latest 13F report
Q3 2025 - 14 Nov 2025
Value $
$37,713,129,494
Signature - Title
Jane Liang - Chief Financial Officer
Location
New York, NY
Summary
This page shows a list of all the recent 13F filings made by BAMCO INC /NY/. Form 13F is required to be filed within 45 days of the end of a calendar quarter. BAMCO INC /NY/ reported 330 stock holdings with total value $37,713,129,494 as of Q3 2025. Top holdings included TSLA, ACGL, CSGP, MSCI, and IDXX.

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Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Filing Time
Q3 2025 330 $37,713,129,494 +$1,989,779,936 -$2,696,123,437 -$706,343,501 TSLA, ACGL, CSGP, MSCI, IDXX 13F-HR 14 Nov 2025, 11:29
Q2 2025 306 $36,887,667,358 +$1,796,783,527 -$2,228,884,012 -$432,100,485 TSLA, ACGL, CSGP, IT, GWRE 13F-HR 14 Aug 2025, 14:05
Q1 2025 314 $34,045,720,547 +$1,695,444,405 -$2,422,023,704 -$726,579,299 TSLA, ACGL, IT, CSGP, MSCI 13F-HR 15 May 2025, 13:52
Q4 2024 316 $38,685,244,143 +$1,172,389,179 -$2,028,322,929 -$855,933,750 TSLA, IT, ACGL, CSGP, MSCI 13F-HR 14 Feb 2025, 13:25
Q3 2024 328 $37,697,860,592 +$1,153,972,514 -$2,315,702,833 -$1,161,730,319 TSLA, ACGL, IT, CSGP, MSCI 13F-HR 14 Nov 2024, 13:06
Q2 2024 329 $34,917,811,760 +$1,410,337,413 -$2,022,420,299 -$612,082,886 TSLA, ACGL, IT, CSGP, FDS 13F-HR 14 Aug 2024, 14:37
Q1 2024 332 $37,521,423,335 +$1,056,087,576 -$2,332,470,944 -$1,276,383,368 TSLA, IT, ACGL, CSGP, MSCI 13F-HR 15 May 2024, 14:53
Q4 2023 330 $37,549,030,209 +$1,098,698,878 -$1,423,242,443 -$324,543,565 TSLA, IT, CSGP, ACGL, FDS 13F-HR 14 Feb 2024, 14:01
Q3 2023 355 $34,416,560,037 +$1,037,048,415 -$1,107,837,858 -$70,789,443 TSLA, ACGL, IT, CSGP, FDS 13F-HR 14 Nov 2023, 14:11
Q2 2023 365 $36,113,523,148 +$1,041,300,950 -$632,051,608 +$409,249,342 TSLA, CSGP, IT, ACGL, IDXX 13F-HR 14 Aug 2023, 15:10
Q1 2023 354 $33,283,832,195 +$1,277,629,748 -$1,076,143,320 +$201,486,428 TSLA, IT, ACGL, CSGP, MSCI 13F-HR 15 May 2023, 14:04
Q4 2022 370 $29,765,022,022 +$1,056,414,659 -$1,284,049,819 -$227,635,160 TSLA, IT, CSGP, ACGL, MTN 13F-HR 14 Feb 2023, 14:08
Q3 2022 362 $30,910,121,000 +$3,875,671,892 -$853,981,865 +$3,021,690,027 TSLA, IT, CSGP, FDS, MTN 13F-HR 14 Nov 2022, 12:44
Q2 2022 365 $31,105,122,000 +$1,850,028,932 -$1,212,646,786 +$637,382,146 TSLA, IT, CSGP, FDS, MTN 13F-HR 15 Aug 2022, 14:19
Q1 2022 381 $40,630,599,000 +$1,601,125,701 -$1,668,968,628 -$67,842,927 TSLA, IT, IDXX, CSGP, MTN 13F-HR 13 May 2022, 13:29
Q4 2021 400 $47,084,618,000 +$2,783,253,805 -$1,793,595,456 +$989,658,349 TSLA, IT, IDXX, CSGP, MTN 13F-HR 14 Feb 2022, 15:02
Q3 2021 396 $44,070,631,000 +$2,101,764,767 -$1,897,176,114 +$204,588,653 TSLA, IT, IDXX, CSGP, MTN 13F-HR 12 Nov 2021, 15:06
Q2 2021 394 $43,398,315,000 +$3,612,924,966 -$2,005,180,730 +$1,607,744,236 TSLA, IDXX, CSGP, MTN, IT 13F-HR 13 Aug 2021, 12:14
Q1 2021 392 $40,547,329,000 +$2,203,611,308 -$1,804,411,004 +$399,200,304 TSLA, CSGP, IDXX, MTN, PENN 13F-HR 19 May 2021, 08:06
Q4 2020 372 $40,284,847,000 +$2,222,411,754 -$1,418,834,345 +$803,577,409 TSLA, CSGP, IDXX, MTN, MSCI 13F-HR 12 Feb 2021, 16:30
Q3 2020 355 $32,579,856,000 +$3,888,654,474 -$821,623,851 +$3,067,030,623 TSLA, CSGP, IDXX, MTN, FDS 13F-HR 13 Nov 2020, 12:14
Q2 2020 341 $27,662,929,000 +$1,649,238,704 -$840,540,611 +$808,698,093 TSLA, CSGP, IDXX, FDS, MTN 13F-HR 14 Aug 2020, 15:02
Q1 2020 336 $20,406,124,000 +$789,256,886 -$914,524,247 -$125,267,361 CSGP, IDXX, TSLA, FDS, MTN 13F-HR 15 May 2020, 13:42
Q4 2019 352 $26,189,052,000 +$616,295,828 -$912,155,306 -$295,859,478 CSGP, MTN, IT, IDXX, ACGL 13F-HR 18 Feb 2020, 15:00
Q3 2019 349 $24,308,957,000 +$976,544,692 -$653,812,762 +$322,731,930 CSGP, MTN, IDXX, IT, ACGL 13F-HR 14 Nov 2019, 09:05
Q2 2019 359 $24,939,171,000 +$1,006,237,282 -$693,490,644 +$312,746,638 CSGP, IDXX, MTN, IT, FDS 13F-HR 15 Aug 2019, 15:58
Q1 2019 355 $23,583,802,000 +$994,093,805 -$882,116,869 +$111,976,936 CSGP, MTN, IT, IDXX, ACGL 13F-HR 15 May 2019, 16:24
Q4 2018 367 $19,755,373,000 +$871,546,965 -$535,965,479 +$335,581,486 MTN, IT, CSGP, IDXX, ACGL 13F-HR 14 Feb 2019, 14:54
Q3 2018 369 $24,134,683,000 +$873,490,973 -$670,837,243 +$202,653,730 MTN, IT, CSGP, IDXX, ACGL 13F-HR 14 Nov 2018, 14:41
Q2 2018 360 $22,870,431,000 +$1,217,711,818 -$784,157,122 +$433,554,696 MTN, CSGP, IDXX, IT, ACGL 13F-HR 14 Aug 2018, 15:56
Q1 2018 351 $21,732,646,000 +$1,047,213,717 -$1,035,411,575 +$11,802,142 MTN, CSGP, IDXX, IT, ACGL 13F-HR 09 May 2018, 11:39
Q4 2017 317 $21,556,219,000 +$875,009,353 -$894,612,514 -$19,603,161 MTN, IT, CSGP, ACGL, IDXX 13F-HR 14 Feb 2018, 08:10
Q3 2017 315 $20,952,124,000 +$1,326,942,858 -$292,268,833 +$1,034,674,025 MTN, IT, ACGL, CSGP, IDXX 13F-HR 15 Nov 2017, 11:24
Q2 2017 337 $19,447,488,000 +$814,279,755 -$1,106,754,665 -$292,474,910 MTN, IT, ACGL, CSGP, IDXX 13F-HR 14 Aug 2017, 11:41
Q1 2017 321 $18,771,845,000 +$643,570,482 -$1,277,917,579 -$634,347,097 MTN, ACGL, IDXX, IT, CSGP 13F-HR 15 May 2017, 15:46
Q4 2016 317 $17,601,408,609 +$676,067,225 -$1,360,948,984 -$684,881,759 MTN, IT, ACGL, IDXX, CSGP 13F-HR 14 Feb 2017, 09:50
Q3 2016 307 $18,863,724,000 +$678,523,346 -$890,630,626 -$212,107,280 MTN, IDXX, ACGL, IT, CSGP Restatement 15 Nov 2016, 08:14
Q2 2016 300 $18,810,040,000 +$1,112,422,623 -$1,141,432,075 -$29,009,452 IT, MTN, CSGP, ACGL, IDXX 13F-HR 15 Aug 2016, 16:39
Q1 2016 295 $18,897,662,000 +$847,233,809 -$2,096,093,520 -$1,248,859,711 IT, MTN, ACGL, CSGP, FDS 13F-HR 16 May 2016, 16:19
Q4 2015 312 $21,570,628,000 +$832,662,562 -$1,496,111,373 -$663,448,811 IT, MTN, ACGL, CSGP, FDS 13F-HR 16 Feb 2016, 14:48
Q3 2015 342 $22,146,595,000 +$737,076,612 -$1,004,021,815 -$266,945,203 IT, ACGL, FDS, MTN, IDXX 13F-HR 16 Nov 2015, 14:59
Q2 2015 354 $25,410,824,000 +$1,476,743,788 -$1,097,536,787 +$379,207,001 IT, ACGL, FDS, CSGP, MTN 13F-HR 14 Aug 2015, 12:07
Q1 2015 355 $25,820,338,000 +$1,378,923,548 -$1,079,060,669 +$299,862,879 IT, FDS, CSGP, IDXX, ACGL 13F-HR 15 May 2015, 16:10
Q4 2014 361 $24,949,210,000 +$1,011,763,440 -$1,194,976,594 -$183,213,154 IT, ITC, IDXX, ACGL, CSGP Restatement 18 Feb 2015, 10:55
Q3 2014 357 $24,141,008,000 +$1,138,864,883 -$854,715,331 +$284,149,552 IT, ITC, ACGL, MTN, FDS 13F-HR 13 Nov 2014, 13:26
Q2 2014 359 $25,186,320,000 +$1,810,561,144 -$1,016,805,747 +$793,755,397 IT, ITC, ACGL, IDXX, FDS 13F-HR 14 Aug 2014, 17:18
Q1 2014 357 $24,544,044,000 +$1,867,487,816 -$818,175,072 +$1,049,312,744 IT, ITC, ACGL, DKS, IDXX 13F-HR 15 May 2014, 15:27
Q4 2013 347 $24,118,401,000 $0 IT, ACGL, DKS, ITC, GLPI Restatement 15 May 2014, 15:21