BAMCO INC /NY/ - Stock Holdings in 13F Filings (SEC)

Updated on March 15, 2026.

Based on 13F Filings filed with the SEC on February 17, 2026, for the 2025 Q4 period, BAMCO INC /NY/ held in its portfolio 327 assets valued at $36,910,805,474 (i.e. $36.91B).

The most valuable assets in the portfolio included: TESLA INC ($5.36B), ARCH CAP GROUP LTD ($1.73B), and MSCI INC ($1.58B).

The chart below shows the top 10 valuable assets, and the table below shows the top 327 valuable assets.

You can see similar for other investment managers.

Related Topics: SEC Topic List.
Data Source: SEC.
Top Valuable Stocks in BAMCO INC /NY/ Portfolio
TESLA INC
ARCH CAP GROUP LTD
MSCI INC
COSTAR GROUP INC
IDEXX LABS INC
GARTNER INC
GUIDEWIRE SOFTWARE INC
HYATT HOTELS CORP
FACTSET RESH SYS INC
RED ROCK RESORTS INC
BAMCO INC /NY/ - Stock Holdings in 13F Filings (SEC)
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Name of Issuer No. of Shares Value ($) Class
TESLA INC 11927475 5364024057 COM
ARCH CAP GROUP LTD 17987505 1725361480 ORD
MSCI INC 2755747 1581054726 COM
COSTAR GROUP INC 19498099 1311052177 COM
IDEXX LABS INC 1798041 1216428678 COM
GARTNER INC 4212957 1062844792 COM
GUIDEWIRE SOFTWARE INC 5147550 1034709025 COM
HYATT HOTELS CORP 6106485 978991675 COM CL A
FACTSET RESH SYS INC 2888845 838313931 COM
RED ROCK RESORTS INC 12519892 775607309 CL A
SCHWAB CHARLES CORP 7060309 705395472 COM
CHOICE HOTELS INTL INC 7386575 703645134 COM
KINSALE CAP GROUP INC 1781201 696663335 COM
FIGS INC 59959449 681139341 CL A
VAIL RESORTS INC 4809928 638758438 COM
SPOTIFY TECHNOLOGY S A 997291 579136857 SHS
NVIDIA CORPORATION 2988943 557437869 COM
SHOPIFY INC 2288270 368342822 CL A SUB VTG SHS
BIRKENSTOCK HOLDING PLC 7966037 325810913 COM SHS
INTERACTIVE BROKERS GROUP IN 4643376 298615511 COM CL A
PRIMERICA INC 1132544 292604068 COM
VERISK ANALYTICS INC 1302611 291381055 COM
AMAZON COM INC 1225159 282791200 COM
MORNINGSTAR INC 1241794 269854254 COM
SITEONE LANDSCAPE SUPPLY INC 2028366 252653269 COM
ON HLDG AG 5405486 251246989 NAMEN AKT A
VERTIV HOLDINGS CO 1545572 250398120 COM CL A
WELLTOWER INC 1277492 237115290 COM
AMPHENOL CORP 1710742 231189674 CL A
CBRE GROUP INC 1359332 218566992 CL A
METTLER TOLEDO INTERNATIONAL 146334 204017399 COM
HOULIHAN LOKEY INC 1123951 195781025 CL A
TAIWAN SEMICONDUCTOR MFG LTD 634652 192864396 SPONSORED ADS
JONES LANG LASALLE INC 564297 189869012 COM
CLEARWATER ANALYTICS HLDGS I 7816447 188532702 CL A
BROADCOM INC 537840 186146424 COM
META PLATFORMS INC 270126 178307471 CL A
BROOKFIELD CORP 3635917 166852231 CL A LTD VT SH
MICROSOFT CORP 341758 165281004 COM
DRAFTKINGS INC 4674455 161081719 COM CL A
TOLL BROTHERS INC 1166270 157703029 COM
ALIBABA GROUP HLDG LTD 1071647 157082017 SPONSORED ADS
INTAPP INC 3327989 152488456 COM
WYNN RESORTS LTD 1219590 146753265 COM
SAMSARA INC 4120031 146055099 COM CL A
LOAR HOLDINGS INC 2119505 144126340 COM SHS
PROLOGIS INC. 1109127 141591153 COM
KARMAN HLDGS INC 1914221 140063551 COMMON STOCK
QUANTA SVCS INC 328010 138439901 COM
RBC BEARINGS INC 303110 135923617 COM
LIBERTY LIVE HOLDINGS INC 1613666 134192465 COM SHS SER C
GDS HLDGS LTD 3784848 132091195 SPONSORED ADS
ARGENX SE 153719 129269993 SPONSORED ADR
MERCADOLIBRE INC 61964 124811607 COM
PLANET FITNESS INC 1150028 124743537 CL A
AIRBNB INC 880076 119443915 COM CL A
SERVICETITAN INC 1096931 116823151 SHS CL A
FAIR ISAAC CORP 68651 116062754 COM
NOVANTA INC 936962 111489108 COM
EQUINIX INC 145429 111421883 COM
PROCORE TECHNOLOGIES INC 1515982 110272531 COM
INSTALLED BLDG PRODS INC 423182 109769179 COM
HEICO CORP 434342 109640951 CL A
JBT MAREL CORPORATION 700040 105475027 COM
CRH PLC 844634 105410323 ORD
TRANSDIGM GROUP INC 77799 103461000 COM
BRIGHT HORIZONS FAM SOL IN D 1013488 102767683 COM
COUPANG INC 4274350 100831916 CL A
LAS VEGAS SANDS CORP 1497892 97497790 COM
ICON PLC 534248 97350671 SHS
EXACT SCIENCES CORP 954547 96943793 COM
VENTAS INC 1219483 94363595 COM
JFROG LTD 1493518 93285134 ORD SHS
ELI LILLY & CO 86476 92934028 COM
ROPER TECHNOLOGIES INC 207437 92336432 COM
KRATOS DEFENSE & SEC SOLUTIO 1209773 91833868 COM
BLACKSTONE INC 580010 89402741 COM
REPLIGEN CORP 544779 89267487 COM
LIBERTY MEDIA CORP DEL 900000 88659000 COM LBTY ONE S C
SNOWFLAKE INC 381878 83768758 COM SHS
GAMING & LEISURE PPTYS INC 1858796 83069593 COM
FLOOR & DECOR HLDGS INC 1354401 82469477 CL A
CREDICORP LTD 285044 81807628 COM
CLOUDFLARE INC 409604 80753429 CL A COM
HILTON WORLDWIDE HLDGS INC 267703 76897687 COM
INDIE SEMICONDUCTOR INC 21705742 76621269 CLASS A COM
DRIVEN BRANDS HLDGS INC 5000261 74103868 COM
ROLLINS INC 1208539 72536511 COM
WEST PHARMACEUTICAL SVSC INC 263189 72413821 COM
THE BALDWIN INSURANCE GRP IN 3010428 72340585 COM CL A
BIO-TECHNE CORP 1207499 71013016 COM
ESTABLISHMENT LABS HLDGS INC 961226 70054151 COM
TRANSUNION 813353 69745020 COM
HEALTHEQUITY INC 756025 69259450 COM
ALKAMI TECHNOLOGY INC 2983065 68819310 COM
COGNEX CORP 1900166 68367973 COM
HEARTFLOW INC 2303877 67158015 COM
DATADOG INC 490582 66714246 CL A COM
DYNATRACE INC 1499500 64988330 COM
VULCAN MATLS CO 225132 64212149 COM
ENPRO INC 298850 63992750 COM
ASGN INC 1310800 63141236 COM
CHEESECAKE FACTORY INC 1250037 63101868 COM
ADVANCED ENERGY INDS 299141 62631151 COM
LPL FINL HLDGS INC 175245 62592257 COM
VISA INC 177148 62127575 COM CL A
FULL TRUCK ALLIANCE CO LTD 5772623 61940245 SPONSORED ADS
CHAMPION HOMES INC 725542 61308299 COM
MERCURY SYS INC 835823 61023437 COM
MACERICH CO 3286261 60664378 COM
AXON ENTERPRISE INC 106441 60451037 COM
LEGENCE CORP 1395682 60070153 CL A
CAREDX INC 3155180 59443591 COM
MONOLITHIC PWR SYS INC 65227 59119144 COM
VEEVA SYS INC 262070 58501886 CL A COM
RADNET INC 810066 57798209 COM
HEICO CORP 177633 57480262 COM
AAON INC 738016 56273720 COM PAR $0.004
NU HLDGS LTD 3335290 55832755 ORD SHS CL A
INTUITIVE SURGICAL INC 97334 55126084 COM
FIRST ADVANTAGE CORP 3750173 54490014 COM
LOUISIANA PAC CORP 674577 54478839 COM
COOPER COS INC 664491 54461682 COM
ODDITY TECH LTD 1353715 54392269 SHS CL A
NCINO INC 2102737 53914177 COM
MONTROSE ENVIRONMENTAL GROUP 2160599 53647673 COM
GITLAB INC 1426527 53537558 CLASS A COM
LOWES COS INC 221833 53497246 COM
BADGER METER INC 300046 52331023 COM
NETSKOPE INC 2981743 52299772 CL A
TEXAS ROADHOUSE INC 314886 52271076 COM
MADISON SQUARE GRDN SPRT COR 200015 51733880 CL A
BROOKFIELD ASSET MANAGMT LTD 984871 51597392 CL A LMT VTG SHS
WINGSTOP INC 215231 51330441 COM
NOVA LTD 154511 50739867 COM
SS&C TECHNOLOGIES HOLDINGS INC 578673 50587594 COM
ALPHABET INC 157498 49296874 CAP STK CL A
MASIMO CORP 373899 48629304 COM
AMERICAN TOWER CORP 267813 47019928 COM
STEPSTONE GROUP INC 730557 46879843 COM CL A
SIMON PPTY GROUP INC 252790 46793957 COM
HINGE HEALTH INC 999570 46430026 CL A
MASTERCARD INCORPORATED 79958 45646423 CL A
WAYSTAR HLDG CORP 1393634 45641513 COM
CASELLA WASTE SYS INC 446242 43704941 CL A
ZSCALER INC 190968 42952523 COM
ADVANCED DRAIN SYS INC DEL 294678 42678215 COM
EQUITY RESIDENTIAL 675281 42569714 SH BEN INT
SITIME CORP 116493 41144163 COM
TRADEWEB MKTS INC 381337 41008981 CL A
STEVANATO GROUP S P A 2001724 40274687 ORD SHS
VARONIS SYS INC 1226240 40220672 COM
STUBHUB HLDGS INC 2953213 39956972 CL A
ARCELLX INC 609697 39752244 COMMON STOCK
BOOZ ALLEN HAMILTON HLDG COR 469264 39587111 CL A
LIVE NATION ENTERTAINMENT IN 277801 39586642 COM
FORTUNE BRANDS INNOVATIONS I 773799 38705426 COM
SOCIEDAD QUIMICA Y MINERA DE 562105 38672824 SPON ADR SER B
NEOGEN CORP 5509659 38512516 COM
BLACKSTONE MTG TR INC 2000621 38271880 COM CL A
SENTINELONE INC 2536596 38048940 CL A
PONY AI INC 2586581 37505424 SPONSORED ADS
JEFFERIES FINL GROUP INC 596528 36966840 COM
ALPHABET INC 117784 36960619 CAP STK CL C
PRIMO BRANDS CORPORATION 2252512 36828571 CLASS A COM SHS
PAR TECHNOLOGY CORP 1004536 36444566 COM
TENCENT MUSIC ENTMT GROUP 2068105 36253881 SPON ADS
ATLASSIAN CORPORATION 219283 35554546 CL A
MOELIS & CO 513197 35277162 CL A
WASTE CONNECTIONS INC 200000 35072000 COM
SERVICENOW INC 224966 34462542 COM
CROWDSTRIKE HLDGS INC 71721 33619936 CL A
EXPONENT INC 470868 32706491 COM
CDW CORP 231243 31495297 COM
KKR & CO INC 246351 31404825 COM
AVIENT CORPORATION 1000000 31240000 COM
INSPIRE MED SYS INC 337486 31126334 COM
ILLUMINA INC 219566 28798277 COM
WILLIS TOWERS WATSON PLC LTD 86388 28387097 SHS
CODERE ONLINE LUXEMBOURG S A 3503284 28131370 ORDINARY SHARES
FIGMA INC 750000 28027500 CLASS A COM STK
LIBERTY MEDIA CORP DEL 311588 27849735 COM LBTY ONE S A
TWFG INC 954463 27459901 COM CL A
VERACYTE INC 645621 27180644 COM
GRID DYNAMICS HLDGS INC 3000322 27092908 CL A
ROCKET COS INC 1398360 27072250 COM CL A
ASML HOLDING N V 24431 26137750 N Y REGISTRY SHS
AFYA LTD 1688274 26016302 CL A COM
GCI LIBERTY INC 681440 25356382 COM SER C
ZAI LAB LTD 1418005 25013608 ADR
GCM GROSVENOR INC 2200349 24907951 COM CL A
CUSHMAN AND WAKEFIELD LTD 1481285 23982004 COMMON SHARES
TAYLOR MORRISON HOME CORP 400419 23572667 COM
BLOCK INC 360345 23454856 CL A
CAVCO INDS INC DEL 37078 21903458 COM
DIGITAL RLTY TR INC 138178 21377518 COM
TEMPUS AI INC 355446 20989086 CL A
NEPTUNE INS HLDGS INC 708728 20666508 CL A
S&P GLOBAL INC 38907 20332409 COM
ACCELERANT HOLDINGS 1209114 19769014 CL A
XP INC 1195477 19569958 CL A
XPENG INC 940642 19076220 ADS
THE TRADE DESK INC 500036 18981367 COM CL A
MOODYS CORP 35709 18241943 COM
SAILPOINT INC 898793 18182582 COM
APOLLO GLOBAL MGMT INC 124814 18068075 COM
DEXCOM INC 257500 17090275 COM
ENERPAC TOOL GROUP CORP 446217 17063338 CL A COM
THERMO FISHER SCIENTIFIC INC 28820 16699749 COM
MIRION TECHNOLOGIES INC 650000 15223000 COM CL A
WIX COM LTD 146216 15190380 SHS
EASTGROUP PPTYS INC 84614 15073138 COM
VIA TRANSN INC 519380 15067214 COM CL A
ARS PHARMACEUTICALS INC 1268532 14778398 COM
ARCUTIS BIOTHERAPEUTICS INC 504700 14656488 COM
AGILYSYS INC 120846 14361339 COM
ATEGRITY SPECIALTY IN CO HO 669792 14072330 COM
CME GROUP INC 51437 14046416 COM
BILLIONTOONE INC 170000 13912800 CL A
DANAHER CORPORATION 60709 13897504 COM
BXP INC 202984 13697360 COM
INTUIT 20463 13555100 COM
HOLLEY INC 3250000 13422500 COM
ANDERSEN GROUP INC 500000 12965000 CL A
IDEX CORP 71314 12689613 COM
ASTRAZENECA PLC 135025 12412848 SPONSORED ADR
TRANSCAT INC 203477 11543250 COM
SYNOPSYS INC 23255 10923339 COM
AMERICAN HEALTHCARE REIT INC 226459 10657161 COM SHS
COHEN & STEERS INC 165076 10363471 COM
ARISTA NETWORKS INC 77982 10217981 COM SHS
CARLYLE GROUP INC 157000 9280270 COM
WEYERHAEUSER CO MTN BE 378848 8974909 COM
EXTRA SPACE STORAGE INC 64735 8429792 COM
DEUTSCHE BANK A G 202402 7804621 NAMEN AKT
HOST HOTELS & RESORTS INC 420544 7456245 COM
REPAY HLDGS CORP 2000000 7300000 COM CL A
PDD HOLDINGS INC 62386 7073949 SPONSORED ADS
VERISIGN INC 28090 6824465 COM
AMERICAN HOMES 4 RENT 212379 6817366 CL A
BOYD GAMING CORP 79700 6793628 COM
FIVERR INTL LTD 342344 6764717 ORD SHS
MITSUBISHI UFJ FINL GROUP IN 422964 6708209 SPONSORED ADS
INSMED INC 38200 6648328 COM PAR $.01
SUNSTONE HOTEL INVS INC 686050 6133287 COM
ABBVIE INC 24800 5666552 COM
COSTCO WHSL CORP 6349 5474997 COM
COHERENT CORP 29482 5441493 COM
KILROY RLTY CORP 142997 5343798 COM
AGREE RLTY CORP 74128 5339440 COM
AGILENT TECHNOLOGIES INC 38777 5276386 COM
LUMENTUM HLDGS INC 13930 5134459 COM
HILTON GRAND VACATIONS INC 110200 4931450 COM
ESSEX PPTY TR INC 18525 4847622 COM
LAM RESEARCH CORP 28029 4798004 COM
BOSTON SCIENTIFIC CORP 47000 4481450 COM
VIKING THERAPEUTICS INC 125827 4426594 COM
PENUMBRA INC 13926 4329733 COM
WYNDHAM HOTELS & RESORTS INC 56080 4237405 COM
MCKESSON CORP 5000 4101450 COM
HDFC BANK LTD 111871 4087766 SPONSORED ADS
TERRENO RLTY CORP 67525 3964393 COM
ISHARES TR 51896 3889086 RUSEL 2500 ETF
APPLE INC 14293 3885695 COM
POOL CORP 16621 3802153 COM
TEVA PHARMACEUTICAL INDS LTD 120000 3745200 SPONSORED ADS
CYBERARK SOFTWARE LTD 8105 3615316 SHS
IRIDIUM COMMUNICATIONS INC 200000 3476000 COM
ABIVAX SA 25000 3371375 SPONSORED ADS
GILEAD SCIENCES INC 26500 3252610 COM
VOYAGER TECHNOLOGIES INC 120000 3136800 COM CL A
EDWARDS LIFESCIENCES CORP 34125 2909156 COM
IONIS PHARMACEUTICALS INC 36000 2847960 COM
STRYKER CORPORATION 8000 2811760 COM
ROIVANT SCIENCES LTD 125000 2712500 SHS
AGNICO EAGLE MINES LTD 14922 2529727 COM
HUBSPOT INC 6122 2456759 COM
MARRIOTT VACATIONS WORLDWIDE 41800 2411442 COM
VERTEX PHARMACEUTICALS INC 5200 2357472 COM
INSULET CORP 7886 2241517 COM
VANGUARD WORLD FD 2682 2021638 INF TECH ETF
UNITEDHEALTH GROUP INC 6000 1980660 COM
ENCOMPASS HEALTH CORP 17500 1857450 COM
MICRON TECHNOLOGY INC 6351 1812540 COM
ELANCO ANIMAL HEALTH INC 80000 1810400 COM
ROBINHOOD MKTS INC 15950 1803945 COM CL A
ROBERT HALF INC. 57600 1564416 COM
KYMERA THERAPEUTICS INC 20000 1556200 COM
CAPITAL ONE FINL CORP 6135 1486879 COM
MADRIGAL PHARMACEUTICALS INC 2500 1455850 COM
NOVO-NORDISK A S 27426 1395435 ADR
ALNYLAM PHARMACEUTICALS INC 3500 1391775 COM
DOUGLAS EMMETT INC 124363 1366749 COM
XENON PHARMACEUTICALS INC 30000 1344600 COM
ASCENDIS PHARMA A/S 5600 1194144 SPONSORED ADR
MORGAN STANLEY 6600 1171698 COM
BLACKROCK INC 1052 1125998 COM
VICTORY CAP HLDGS INC 16596 1047042 COM CL A
HENRY JACK & ASSOC INC 5110 932473 COM
PROGRESSIVE CORP 3580 815238 COM
BERKSHIRE HATHAWAY INC DEL 1 754800 CL A
JOHNSON & JOHNSON 3600 745020 COM
PROTAGONIST THERAPEUTICS INC 8300 724922 COM
GOLDMAN SACHS GROUP INC 800 703200 COM
TENET HEALTHCARE CORP 3500 695520 COM
HOME DEPOT INC 2000 688200 COM
QUALCOMM INC 4000 684200 COM
GRAIL INC 7713 660156 COM
EQUIFAX INC 2865 621648 COM
CARMAX INC 10875 420210 COM
PRICE T ROWE GROUP INC 4000 409520 COM
FLUTTER ENTMT PLC 1852 398254 SHS
NATERA INC 1652 378457 COM
RUBRIK INC. 4752 363433 CL A
CHIPOTLE MEXICAN GRILL INC 8912 329744 COM
HAMILTON LANE INC 2113 283797 CL A
LATTICE SEMICONDUCTOR CORP 3827 281591 COM
MANHATTAN ASSOCS INC 1550 268630 COM
RYAN SPECIALTY HOLDINGS INC 4621 238582 CL A
REDDIT INC 793 182287 CL A
BWX TECHNOLOGIES INC 859 148470 COM
SBA COMMUNICATIONS CORP 600 116058 CL A
BIONTECH SE 776 73875 SPONSORED ADS
FERRARI N V 98 36217 COM
WATSCO INC 103 34706 COM
ORACLE CORP 19 3703 COM
IMPINJ INC 19 3306 COM