Baron Capital (BAMCO)

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), Ron Baron's Baron Capital (BAMCO) reported 345 stock positions worth $66.6 billion. Its top holding was Space Exploration Techn Class A (SPCX) at 37.4% of the portfolio, followed by Tesla (TSLA, 7.9%) and MSCI (MSCI, 2.7%). Compared with Q1 2026, it opened 53 new positions, sold out of 34, added to 117 and reduced 155. The biggest buy was a new position in Space Exploration Techn Class A (SPCX) and the biggest sale Arch Capital (ACGL, shares −5%).

Most Recent 13F
Q2 2026
Notable People
Ron Baron
Location
NEW YORK, NY
CIK
0001017918
Portfolio Value
$66.6B (Q2 2026)
SEC Filing
0001017918-26-000067 ↗ filed Aug 14, 2026

Holdings Value

0$20.0B$40.0B$60.0B$80.0B Q1 2024: $37.5B Q1 2024 Q2 2024: $34.9B Q2 2024 Q3 2024: $37.7B Q3 2024 Q4 2024: $38.7B Q4 2024 Q1 2025: $34.0B Q1 2025 Q2 2025: $36.9B Q2 2025 Q3 2025: $37.7B Q3 2025 Q4 2025: $36.9B Q4 2025 Q1 2026: $33.1B Q1 2026 Q2 2026: $66.6B $66.6B Q2 2026

Holdings 345 stocks · $66.6B
SPCX Space Exploration Techn Class A 37.38% 145,775,147 $24.9B New
TSLA Tesla Inc. 7.90% 12,524,752 $5.3B Add +5.0%
MSCI MSCI Inc. 2.70% 3,211,753 $1.8B Add +19.0%
ACGL Arch Capital Group Ltd. 2.31% 15,872,450 $1.5B Reduce -5.0%
H Hyatt Hotels Corp. Class A 2.12% 7,279,087 $1.4B Add +14.8%
SHOP Shopify Inc. Class A 1.91% 11,155,546 $1.3B Add +136.4%
SPOT Spotify Technology SA 1.68% 2,433,114 $1.1B Add +84.4%
GWRE Guidewire Software Inc. 1.66% 8,994,456 $1.1B Add +36.3%
SCHW Schwab (charles) Corp. 1.61% 11,655,694 $1.1B Add +56.1%
RRR Red Rock Resorts Inc. Class A 1.60% 16,391,131 $1.1B Add +22.2%
IDXX Idexx Laboratories Inc. 1.56% 1,976,778 $1.0B Add +21.0%
CHH Choice Hotels Intl Inc. 1.54% 9,328,354 $1.0B Add +21.3%
IT Gartner Inc. 1.48% 7,601,009 $985.2M Add +28.4%
FDS Factset Research Systems Inc. 1.45% 4,200,856 $966.5M Add +11.8%
MTN Vail Resorts Inc. 1.34% 6,536,697 $890.0M Add +29.6%
KNSL Kinsale Capital Group Inc. 1.32% 2,663,958 $878.6M Add +31.4%
VRSK Verisk Analytics Inc. 1.27% 4,702,605 $844.3M Add +87.2%
BIRK Birkenstock Holding PLC 0.95% 14,739,609 $634.2M Add +57.4%
FIGS Figs Inc. Class A 0.92% 59,959,449 $613.4M No change
CSGP Costar Group Inc. 0.92% 21,626,763 $612.5M Add +32.6%
ONON On Holding AG Class A filed as ON HLDG AG 0.90% 16,929,770 $599.7M Add +74.3%
NVDA Nvidia Corp. 0.89% 2,965,306 $593.3M Add +1.6%
MORN Morningstar Inc. 0.82% 3,499,146 $545.9M Add +360.7%
AMZN Amazon.com Inc. 0.70% 1,956,523 $466.3M Add +51.1%
IBKR Interactive Brokers Gro Class A 0.63% 4,807,214 $418.4M Add +18.8%
VRT Vertiv Holdings Co. Class A 0.49% 979,821 $328.1M Reduce -17.0%
TSM Taiwan Semiconductor-SP ADR 0.48% 667,698 $318.9M Add +4.9%
APH Amphenol Corp. Class A 0.42% 1,598,059 $281.8M Reduce -3.7%
WELL Welltower Inc. 0.42% 1,232,060 $279.6M Reduce -8.4%
IOT Samsara Inc. Class A 0.38% 7,881,752 $255.6M Add +54.0%
ABNB Airbnb Inc. Class A 0.38% 1,758,065 $251.6M Add +22.0%
SITE Siteone Landscape Supply Inc. 0.35% 2,028,799 $232.1M Reduce -1.5%
FPS Forgent Power Solutions Class A 0.34% 4,072,575 $227.5M Reduce -12.9%
PWR Quanta Services Inc. 0.34% 315,789 $227.4M Reduce -3.1%
EQIX Equinix Inc. 0.31% 195,637 $203.9M Reduce -19.8%
LOAR Loar Holdings Inc. 0.31% 2,523,332 $203.4M Add +6.6%
GOOGL Alphabet Inc. Class A 0.29% 546,232 $195.2M Add +42.8%
AVGO Broadcom Inc. 0.29% 514,536 $194.4M Reduce -1.7%
GOOG Alphabet Inc. Class C 0.29% 541,579 $191.4M Add +289.6%
PRI Primerica Inc. 0.29% 671,453 $190.8M Reduce -21.9%
MTD Mettler-Toledo International 0.27% 138,464 $176.9M Add +3.6%
LVS Las Vegas Sands Corp. 0.26% 3,784,278 $174.8M Add +208.6%
LLY Eli Lilly & Co. 0.25% 140,540 $168.6M Add +65.2%
TOL Toll Brothers Inc. 0.25% 1,009,102 $166.2M Add +8.3%
BXDC Blackstone Digital Infrastru 0.25% 7,620,555 $164.8M New
NPO Enpro Inc. 0.23% 399,482 $150.6M Add +2.0%
HEI.A Heico Corp. Class A 0.22% 562,662 $145.1M Add +34.2%
MRNA Moderna Inc. 0.21% 1,989,386 $139.3M New
NOVT Novanta Inc. 0.21% 850,494 $138.0M Reduce -7.1%
DDOG Datadog Inc. Class A 0.20% 508,356 $132.4M Reduce -13.4%
CBRE CBRE Group Inc. Class A 0.20% 978,961 $131.9M Reduce -8.9%
META Meta Platforms Inc. Class A 0.20% 233,313 $131.4M Reduce -9.1%
LLYVK Liberty Live Holdings Class C 0.20% 1,240,273 $131.0M Reduce -18.7%
GDS GDS Holdings Ltd. - ADR filed as GDS HLDGS LTD 0.19% 4,245,033 $127.5M Reduce -7.7%
ARGX Argenx SE - ADR 0.19% 136,654 $126.8M Reduce -1.4%
MAC The Macerich Co. 0.19% 4,999,756 $125.9M Add +22.4%
HLI Houlihan Lokey Inc. 0.17% 869,544 $116.6M Reduce -18.1%
NET Cloudflare Inc. Class A 0.17% 471,598 $115.7M Add +3.1%
MTH Meritage Homes Corp. 0.17% 1,341,653 $112.5M New
PLD Prologis Inc. 0.16% 790,347 $107.1M Reduce -25.8%
JEF Jefferies Financial Group Inc. 0.16% 2,141,744 $107.0M Add +40.0%
WMS Advanced Drainage Systems Inc. 0.16% 680,431 $106.8M Add +133.7%
TDG Transdigm Group Inc. 0.16% 78,501 $104.6M Reduce -0.2%
INDI Indie Semiconductor Inc. Class A 0.15% 23,012,611 $103.3M Reduce -1.4%
RGEN Repligen Corp. 0.15% 748,466 $102.1M Add +36.5%
CRWD CrowdStrike Holdings Inc. Class A 0.14% 126,394 $96.5M Add +14.3%
HLT Hilton Worldwide Holdings Inc. 0.14% 291,397 $96.3M Add +9.8%
RBC RBC Bearings Inc. 0.14% 149,226 $96.1M Reduce -17.8%
JBTM JBT Marel Corp. 0.14% 660,557 $95.8M Add +0.1%
DKNG Draftkings Inc. Class A 0.14% 3,768,624 $95.2M Reduce -10.7%
HTFL Heartflow Inc. 0.14% 3,225,133 $94.6M Reduce -15.7%
CWST Casella Waste Systems Inc. Class A 0.14% 965,239 $93.6M Add +34.4%
HNGE Hinge Health Inc. Class A 0.14% 1,117,678 $92.8M Reduce -1.1%
BN Brookfield Corp. 0.14% 2,132,011 $90.8M Reduce -26.6%
CGNX Cognex Corp. 0.14% 1,251,099 $90.6M Reduce -28.1%
RBRK Rubrik Inc. Class A 0.13% 1,115,395 $89.5M Add +301.9%
BLLN Billiontoone Inc. Class A 0.13% 742,093 $89.0M Add +0.1%
SNOW Snowflake Inc. 0.13% 341,931 $87.0M Reduce -14.2%
AXON Axon Enterprise Inc. 0.13% 153,615 $86.1M Add +30.3%
GLPI Gaming and Leisure Propertie 0.12% 1,844,141 $82.1M Reduce -0.1%
MPWR Monolithic Power Systems Inc. 0.12% 58,604 $81.0M Reduce -7.0%
MELI MercadoLibre Inc. 0.12% 46,955 $79.7M Add +9.7%
HEI Heico Corp. 0.12% 218,976 $78.0M Add +30.4%
RDNT Radnet Inc. 0.12% 1,260,992 $77.8M Add +55.7%
FIG Figma Inc. Class A 0.12% 4,264,145 $77.1M Add +107.8%
PSA Public Storage 0.12% 241,020 $76.7M Reduce -9.7%
FWONK Liberty Media Corp. Class C 0.11% 800,000 $76.1M No change
BFAM Bright Horizons Family Solut 0.11% 1,055,150 $74.8M Reduce -4.3%
NU Nu Holdings Ltd./Cayman Isl-A filed as NU HLDGS LTD 0.11% 5,597,914 $74.8M Add +58.6%
WING Wingstop Inc. 0.11% 430,165 $74.6M Add +106.8%
MRCY Mercury Systems Inc. 0.11% 606,919 $74.2M Reduce -5.9%
KRMN Karman Holdings Inc. 0.11% 1,450,878 $72.4M Add +13.4%
ASML ASML Holding NV-NY Reg SHS filed as ASML HLDG NV 0.11% 36,286 $72.2M Add +1.9%
BWIN Baldwin Insurance Group Inc./ filed as THE BALDWIN INSURANCE GRP IN 0.11% 2,712,386 $72.1M Add +0.1%
BABA Alibaba Group Holding-SP ADR 0.11% 740,460 $71.1M Add +16.5%
MIR Mirion Technologies Inc. 0.11% 3,906,083 $70.0M Add +221.8%
BX Blackstone Inc. 0.10% 591,248 $69.6M Add +525.0%
CRH CRH PLC 0.10% 649,916 $69.5M Reduce -12.1%
AAON Aaon Inc. 0.10% 544,402 $69.1M Reduce -35.5%
DT Dynatrace Inc. 0.10% 1,569,714 $68.9M Reduce -27.3%

Show all 345 holdings

Portfolio Sells Q1 2026 → Q2 2026
ACGL Arch Capital Group Ltd. Reduce -5.0% 2.31% −2.53
SITE Siteone Landscape Supply Inc. Reduce -1.5% 0.35% −0.48
WYNN WYNN Resorts Ltd. Reduce -60.1% 0.10% −0.43
EQIX Equinix Inc. Reduce -19.8% 0.31% −0.42
VRT Vertiv Holdings Co. Class A Reduce -17.0% 0.49% −0.40
WELL Welltower Inc. Reduce -8.4% 0.42% −0.38
GDS GDS Holdings Ltd. - ADR Reduce -7.7% 0.19% −0.37
PRI Primerica Inc. Reduce -21.9% 0.29% −0.36
HLI Houlihan Lokey Inc. Reduce -18.1% 0.17% −0.29
PLD Prologis Inc. Reduce -25.8% 0.16% −0.26
META Meta Platforms Inc. Class A Reduce -9.1% 0.20% −0.25
CBRE CBRE Group Inc. Class A Reduce -8.9% 0.20% −0.24
LLYVK Liberty Live Holdings Class C Reduce -18.7% 0.20% −0.24
BN Brookfield Corp. Reduce -26.6% 0.14% −0.22
APH Amphenol Corp. Class A Reduce -3.7% 0.42% −0.21
VTR Ventas Inc. Reduce -71.8% 0.04% −0.21
PWR Quanta Services Inc. Reduce -3.1% 0.34% −0.20
AVGO Broadcom Inc. Reduce -1.7% 0.29% −0.20
FND Floor & Decor Holdings Inc. Class A Reduce -99.9% 0.00% −0.20
DLR Digital Realty Trust Inc. Reduce -46.1% 0.07% −0.19
PLNT Planet Fitness Inc. Class A Reduce -10.4% 0.08% −0.19
AEIS Advanced Energy Industries Reduce -48.1% 0.08% −0.18
BFAM Bright Horizons Family Solut Reduce -4.3% 0.11% −0.16
RBC RBC Bearings Inc. Reduce -17.8% 0.14% −0.15
BAP Credicorp Ltd. Reduce -42.0% 0.08% −0.15
LGN Legence Corp. Class A Reduce -61.8% 0.06% −0.15
JLL Jones Lang Lasalle Inc. Reduce -37.4% 0.07% −0.15
BMI Badger Meter Inc. Sold out 0.00% −0.14
HTFL Heartflow Inc. Reduce -15.7% 0.14% −0.14
TTAN Servicetitan Inc. Class A Reduce -36.7% 0.07% −0.14
DT Dynatrace Inc. Reduce -27.3% 0.10% −0.14
FICO Fair Isaac Corp. Reduce -48.6% 0.05% −0.13
DKNG Draftkings Inc. Class A Reduce -10.7% 0.14% −0.13
CRH CRH PLC Reduce -12.1% 0.10% −0.13
ESTA Establishment Labs Holdings Reduce -70.3% 0.04% −0.13
GLPI Gaming and Leisure Propertie Reduce -0.1% 0.12% −0.12
CGNX Cognex Corp. Reduce -28.1% 0.14% −0.12
NOVT Novanta Inc. Reduce -7.1% 0.21% −0.12
TDG Transdigm Group Inc. Reduce -0.2% 0.16% −0.12
ARGX Argenx SE - ADR Reduce -1.4% 0.19% −0.12
WAY Waystar Holding Corp. Reduce -23.1% 0.06% −0.11
CAKE The Cheesecake Factory Inc. Reduce -55.0% 0.05% −0.11
ROP Roper Technologies Inc. Reduce -6.6% 0.09% −0.11
ALKT Alkami Technology Inc. Sold out 0.00% −0.11
SQM Quimica Y Minera Chil-SP ADR Reduce -54.2% 0.03% −0.11
AAON Aaon Inc. Reduce -35.5% 0.10% −0.11
SKY Champion Homes Inc. Sold out 0.00% −0.11
IRM Iron Mountain Inc. Reduce -40.9% 0.06% −0.10
PSA Public Storage Reduce -9.7% 0.12% −0.10
EFOR Everforth Inc. Reduce -14.1% 0.02% −0.10

Portfolio Buys Q1 2026 → Q2 2026
SPCX Space Exploration Techn Class A New 37.38% +37.38
MORN Morningstar Inc. Add +360.7% 0.82% +0.43
BXDC Blackstone Digital Infrastru New 0.25% +0.25
SHOP Shopify Inc. Class A Add +136.4% 1.91% +0.22
MRNA Moderna Inc. New 0.21% +0.21
MTH Meritage Homes Corp. New 0.17% +0.17
GOOG Alphabet Inc. Class C Add +289.6% 0.29% +0.17
CBRS Cerebras Systems Inc. Class A New 0.10% +0.10
FBIN Fortune Brands Innovations I New 0.10% +0.10
RBRK Rubrik Inc. Class A Add +301.9% 0.13% +0.09
SHAK Shake Shack Inc. Class A New 0.09% +0.09
HD Home Depot Inc. Add +8155.2% 0.09% +0.09
DPC DPC Holdings PLC New 0.08% +0.08
AADX Applied Aerospace & Defense New 0.07% +0.07
BX Blackstone Inc. Add +525.0% 0.10% +0.07
MU Micron Technology Inc. Add +1194.7% 0.08% +0.07
MAIR Madison Air Solutions Corp. Class A New 0.07% +0.07
ARXS Arxis Inc. Class A New 0.07% +0.07
PHM Pultegroup Inc. New 0.07% +0.07
LVS Las Vegas Sands Corp. Add +208.6% 0.26% +0.06
KBH KB Home New 0.06% +0.06
LCLN Lincoln International Inc. New 0.05% +0.05
HROW Harrow Inc. New 0.05% +0.05
JHX James Hardie Ind PLC New 0.05% +0.05
BYD Boyd Gaming Corp. Add +485.0% 0.06% +0.04
WMS Advanced Drainage Systems Inc. Add +133.7% 0.16% +0.04
MP MP Materials Corp. Add +18444.1% 0.04% +0.04
MIR Mirion Technologies Inc. Add +221.8% 0.11% +0.04
DFTX Definium Therapeutics Inc. New 0.04% +0.04
FRVO Fervo Energy Co. Class A New 0.03% +0.03
MHK Mohawk Industries Inc. New 0.03% +0.03
CWK Cushman & Wakefield Ltd. New 0.03% +0.03
BXP BXP Inc. New 0.03% +0.03
MANE Veradermics Inc. Add +284.8% 0.04% +0.03
ARE Alexandria Real Estate Equit New 0.03% +0.03
NBIS Nebius Group NV Add +81.0% 0.04% +0.02
EW Edwards Lifesciences Corp. Add +457.6% 0.03% +0.02
HAWK Hawkeye 360 Inc. New 0.02% +0.02
XPEV Xpeng Inc. - ADR New 0.02% +0.02
XE X-Energy Inc. New 0.02% +0.02
LLY Eli Lilly & Co. Add +65.2% 0.25% +0.02
BIPC Brookfield Infrastructure-A New 0.02% +0.02
WING Wingstop Inc. Add +106.8% 0.11% +0.01
CRWD CrowdStrike Holdings Inc. Class A Add +14.3% 0.14% +0.01
IEMG iShares Core MSCI Emerging New 0.01% +0.01
SAIL Sailpoint Inc. Add +271.5% 0.02% +0.01
AMD Advanced Micro Devices New 0.01% +0.01
INIO Innio NV New 0.01% +0.01
FLIN Franklin Ftse India ETF New 0.01% +0.01
LRCX Lam Research Corp. Add +10.8% 0.08% +0.01

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 345$66.6BSPCX, TSLA, MSCI, ACGL, H
Q1 2026 326$33.1BTSLA, ACGL, MSCI, GWRE, IT
Q4 2025 327$36.9BTSLA, ACGL, MSCI, CSGP, IDXX
Q3 2025 330$37.7BTSLA, ACGL, CSGP, MSCI, IDXX
Q2 2025 306$36.9BTSLA, ACGL, CSGP, IT, GWRE
Q1 2025 314$34.0BTSLA, ACGL, IT, CSGP, MSCI
Q4 2024 316$38.7BTSLA, IT, ACGL, CSGP, MSCI
Q3 2024 328$37.7BTSLA, ACGL, IT, CSGP, MSCI
Q2 2024 329$34.9BTSLA, ACGL, IT, CSGP, FDS
Q1 2024 332$37.5BTSLA, IT, ACGL, CSGP, MSCI