Baron Capital (BAMCO)

Q2 2026Q1 2026Q4 2025Q3 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024

In its 13F for Q2 2025 (holdings as of June 30, 2025, filed August 14, 2025), Ron Baron's Baron Capital (BAMCO) reported 306 stock positions worth $36.9 billion. Its top holding was Tesla (TSLA) at 11.2% of the portfolio, followed by Arch Capital (ACGL, 4.9%) and Costar (CSGP, 4.3%). Compared with Q1 2025, it opened 20 new positions, sold out of 28, added to 130 and reduced 116. The biggest buy was Spotify Technology (SPOT, shares +6%) and the biggest sale Arch Capital (ACGL, shares −1%).

Most Recent 13F: Q2 2026
Notable People: Ron Baron
Location: NEW YORK, NY
CIK: 0001017918
Portfolio Value: $36.9B (Q2 2025)
SEC Filing: 0001017918-25-000041 ↗ filed Aug 14, 2025

Holdings Value

Holdings 306 stocks · $36.9B


TSLA Tesla Inc.	11.21%	13,018,798	$4.1B	Reduce -8.4%
ACGL Arch Capital Group Ltd.	4.87%	19,727,230	$1.8B	Reduce -1.2%
CSGP Costar Group Inc.	4.29%	19,679,935	$1.6B	Add +3.4%
IT Gartner Inc.	4.00%	3,652,761	$1.5B	Reduce -3.1%
GWRE Guidewire Software Inc.	3.57%	5,589,520	$1.3B	Reduce -1.4%
MSCI MSCI Inc.	3.39%	2,170,333	$1.3B	Add +4.8%
IDXX Idexx Laboratories Inc.	2.96%	2,032,620	$1.1B	Reduce -1.3%
FDS Factset Research Systems Inc.	2.71%	2,231,916	$998.3M	Reduce -0.7%
MTN Vail Resorts Inc.	2.33%	5,475,549	$860.4M	Add +3.6%
KNSL Kinsale Capital Group Inc.	2.31%	1,763,794	$853.5M	Add +1.4%
H Hyatt Hotels Corp. Class A	2.25%	5,955,212	$831.6M	Add +2.9%
SPOT Spotify Technology SA	1.95%	937,323	$719.2M	Add +5.6%
SCHW Schwab (charles) Corp.	1.74%	7,051,368	$643.4M	Reduce -2.4%
RRR Red Rock Resorts Inc. Class A	1.73%	12,269,004	$638.4M	Add +5.8%
CHH Choice Hotels Intl Inc.	1.72%	4,990,652	$633.2M	Add +6.8%
NVDA Nvidia Corp.	1.24%	2,889,282	$456.5M	Add +0.6%
PRI Primerica Inc.	1.18%	1,588,874	$434.8M	Reduce -0.9%
MORN Morningstar Inc.	1.10%	1,295,326	$406.6M	Reduce -0.3%
VRSK Verisk Analytics Inc.	1.03%	1,214,330	$378.3M	Add +0.1%
GLPI Gaming and Leisure Propertie	0.93%	7,365,805	$343.8M	Reduce -3.0%
FIGS Figs Inc. Class A	0.92%	59,974,407	$338.3M	Add +2.2%
VRT Vertiv Holdings Co. Class A	0.89%	2,570,600	$330.1M	Reduce -13.3%
SHOP Shopify Inc. Class A	0.83%	2,664,940	$307.4M	Add +5.8%
MTD Mettler-Toledo International	0.76%	238,933	$280.7M	Reduce -14.9%
IRDM Iridium Communications Inc.	0.69%	8,377,907	$252.8M	Reduce -9.6%
AMZN Amazon.com Inc.	0.64%	1,078,330	$236.6M	Reduce -0.2%
SITE Siteone Landscape Supply Inc.	0.64%	1,941,817	$234.8M	Add +14.2%
IBKR Interactive Brokers Gro Class A	0.63%	4,198,424	$232.6M	Add +14.8%
BIRK Birkenstock Holding PLC	0.60%	4,477,403	$220.2M	Add +11.3%
ONON On Holding AG Class A filed as ON HLDG AG	0.58%	4,139,974	$215.5M	Add +3.3%
HLI Houlihan Lokey Inc.	0.56%	1,146,143	$206.2M	Add +0.2%
META Meta Platforms Inc. Class A	0.55%	273,059	$201.5M	Reduce -2.9%
CBRE CBRE Group Inc. Class A	0.53%	1,401,833	$196.4M	Add +2.9%
KTOS Kratos Defense & Security	0.51%	4,084,269	$189.7M	Reduce -11.4%
WELL Welltower Inc.	0.51%	1,228,446	$188.8M	Reduce -7.1%
APH Amphenol Corp. Class A	0.51%	1,889,030	$186.5M	Add +1.9%
MSFT Microsoft Corp.	0.45%	334,758	$166.5M	Reduce -8.0%
MELI MercadoLibre Inc.	0.44%	61,514	$160.8M	Reduce -5.9%
DKNG Draftkings Inc. Class A	0.43%	3,670,460	$157.4M	Add +33.9%
BN Brookfield Corp.	0.42%	2,510,075	$155.2M	Add +24.4%
BFAM Bright Horizons Family Solut	0.42%	1,241,174	$153.4M	Reduce -0.7%
EQIX Equinix Inc.	0.41%	192,418	$153.1M	Add +38.1%
TTD Trade Desk Inc./the Class A filed as THE TRADE DESK INC	0.41%	2,088,350	$150.3M	Add +11.6%
FICO Fair Isaac Corp.	0.40%	80,910	$147.9M	Reduce -6.2%
AVGO Broadcom Inc.	0.40%	529,935	$146.1M	Add +3.5%
GTLS Chart Industries Inc.	0.40%	885,306	$145.8M	Reduce -6.9%
CNS Cohen & Steers Inc.	0.39%	1,928,299	$145.3M	Reduce -0.8%
TECH Bio-Techne Corp.	0.39%	2,795,147	$143.8M	Reduce -14.7%
ROP Roper Technologies Inc.	0.39%	253,672	$143.8M	Add +0.1%
CPNG Coupang Inc.	0.38%	4,684,350	$140.3M	Reduce -15.0%
INTA Intapp Inc.	0.38%	2,699,877	$139.4M	Add +7.5%
DAY Dayforce Inc.	0.36%	2,430,492	$134.6M	Reduce -22.6%
PWR Quanta Services Inc.	0.36%	354,475	$134.0M	Add +8.8%
CWAN Clearwater Analytics HDS-A	0.36%	6,094,715	$133.7M	Add +12.3%
TDG Transdigm Group Inc.	0.36%	87,844	$133.6M	Reduce -18.6%
JLL Jones Lang Lasalle Inc.	0.36%	518,364	$132.6M	Add +9.9%
TSM Taiwan Semiconductor-SP ADR	0.36%	579,204	$131.2M	Reduce -9.9%
TOL Toll Brothers Inc.	0.35%	1,134,680	$129.5M	Add +116.9%
BWIN Baldwin Insurance Group Inc./ filed as THE BALDWIN INSURANCE GRP IN	0.35%	3,010,000	$128.9M	No change
RBC RBC Bearings Inc.	0.34%	327,035	$125.8M	Add +1.6%
AMT American Tower Corp.	0.34%	567,767	$125.5M	Reduce -18.9%
PLNT Planet Fitness Inc. Class A	0.34%	1,150,000	$125.4M	No change
WYNN WYNN Resorts Ltd.	0.34%	1,337,236	$125.3M	Add +56.5%
KRMN Karman Holdings Inc.	0.33%	2,415,134	$121.7M	Add +0.6%
PAR Par Technology Corp.	0.33%	1,751,387	$121.5M	Add +8.5%
LLYVK Liberty Media Corp.-Liberty-C	0.31%	1,417,398	$115.0M	Add +19.2%
IOT Samsara Inc. Class A	0.29%	2,731,429	$108.7M	Add +148.6%
BABA Alibaba Group Holding-SP ADR	0.29%	948,015	$107.5M	Reduce -37.8%
FWONK Liberty Media Corp. Class C	0.28%	1,000,000	$104.5M	No change
VEEV Veeva Systems Inc. Class A	0.28%	358,291	$103.2M	Reduce -2.7%
HEI.A Heico Corp. Class A	0.28%	391,992	$101.4M	Add +13.1%
CYBR Cyberark Software Ltd./Israel	0.27%	248,101	$100.9M	Add +4.5%
ICLR Icon PLC	0.27%	690,623	$100.5M	Reduce -2.0%
TTAN Servicetitan Inc. Class A	0.27%	935,388	$100.3M	Add +5.2%
ARGX Argenx SE - ADR	0.27%	180,733	$99.6M	Reduce -15.3%
NET Cloudflare Inc. Class A	0.27%	506,473	$99.2M	Reduce -39.3%
EXAS Exact Sciences Corp.	0.27%	1,861,341	$98.9M	Add +26.4%
GDS GDS Holdings Ltd. - ADR filed as GDS HLDGS LTD	0.26%	3,153,908	$96.4M	Add +2.8%
YMM Full Truck Alliance -SPN ADR	0.26%	8,000,606	$94.5M	Reduce -13.2%
CAKE The Cheesecake Factory Inc.	0.25%	1,500,000	$94.0M	Reduce -16.7%
ODD Oddity Tech Ltd. Class A	0.25%	1,237,433	$93.4M	Reduce -13.3%
INDI Indie Semiconductor Inc. Class A	0.24%	25,294,776	$90.0M	Add +23.5%
DRVN Driven Brands Holdings Inc.	0.24%	5,000,000	$87.8M	No change
PCOR Procore Technologies Inc.	0.24%	1,273,871	$87.2M	Add +24.4%
IBP Installed Building Products	0.24%	481,039	$86.7M	Add +8.5%
BX Blackstone Inc.	0.23%	573,985	$85.9M	Add +12.6%
TREX Trex Company Inc.	0.23%	1,578,464	$85.8M	Reduce -2.0%
BAP Credicorp Ltd.	0.23%	378,732	$84.7M	Reduce -1.3%
JBTM JBT Marel Corp.	0.23%	700,000	$84.2M	No change
LPLA LPL Financial Holdings Inc.	0.23%	222,479	$83.4M	Add +34.6%
PLD Prologis Inc.	0.23%	792,634	$83.3M	Add +0.0%
DDOG Datadog Inc. Class A	0.23%	618,233	$83.0M	Add +6.8%
SNOW Snowflake Inc.	0.22%	368,163	$82.4M	Reduce -11.3%
HQY Healthequity Inc.	0.22%	780,000	$81.7M	Reduce -0.6%
FND Floor & Decor Holdings Inc. Class A	0.22%	1,073,912	$81.6M	Reduce -4.7%
ROL Rollins Inc.	0.21%	1,379,912	$77.9M	Reduce -3.2%
LLY Eli Lilly & Co.	0.21%	98,639	$76.9M	Add +200.3%
TRU Transunion	0.21%	872,483	$76.8M	Add +0.1%
CG The Carlyle Group Inc.	0.21%	1,492,785	$76.7M	Reduce -5.9%
CRH CRH PLC	0.21%	824,165	$75.7M	Add +45.4%

Show all 306 holdings

Portfolio Sells Q1 2025 → Q2 2025


ACGL Arch Capital Group Ltd.	Reduce -1.2%	4.87%	−0.77
IT Gartner Inc.	Reduce -3.1%	4.00%	−0.65
ANSS Ansys Inc.	Reduce -77.2%	0.19%	−0.61
BABA Alibaba Group Holding-SP ADR	Reduce -37.8%	0.29%	−0.30
FDS Factset Research Systems Inc.	Reduce -0.7%	2.71%	−0.30
MTD Mettler-Toledo International	Reduce -14.9%	0.76%	−0.21
GLPI Gaming and Leisure Propertie	Reduce -3.0%	0.93%	−0.20
AAPL Apple Inc.	Reduce -96.1%	0.01%	−0.20
TECH Bio-Techne Corp.	Reduce -14.7%	0.39%	−0.17
DAY Dayforce Inc.	Reduce -22.6%	0.36%	−0.17
PRI Primerica Inc.	Reduce -0.9%	1.18%	−0.16
UTZ Utz Brands Inc.	Sold out	0.00%	−0.13
AMH American Homes 4 Rent- A	Reduce -45.2%	0.10%	−0.11
AMT American Tower Corp.	Reduce -18.9%	0.34%	−0.11
JD Jd.com Inc.-ADR	Sold out	0.00%	−0.11
AVB Avalonbay Communities Inc.	Sold out	0.00%	−0.10
NEOG Neogen Corp.	Reduce -9.2%	0.09%	−0.10
ARGX Argenx SE - ADR	Reduce -15.3%	0.27%	−0.10
VMRK Vivmark Residential	Reduce -39.7%	0.11%	−0.10
WST West Pharmaceutical Services	Reduce -26.1%	0.18%	−0.09
ICLR Icon PLC	Reduce -2.0%	0.27%	−0.09
YMM Full Truck Alliance -SPN ADR	Reduce -13.2%	0.26%	−0.09
UNH Unitedhealth Group Inc.	Sold out	0.00%	−0.09
IRT Independence Realty Trust Inc.	Reduce -27.3%	0.11%	−0.09
EXR Extra Space Storage Inc.	Sold out	0.00%	−0.08
WELL Welltower Inc.	Reduce -7.1%	0.51%	−0.08
LVS Las Vegas Sands Corp.	Reduce -37.6%	0.14%	−0.08
TDG Transdigm Group Inc.	Reduce -18.6%	0.36%	−0.08
CHDN Churchill Downs Inc.	Sold out	0.00%	−0.07
FICO Fair Isaac Corp.	Reduce -6.2%	0.40%	−0.07
BASE Couchbase Inc.	Sold out	0.00%	−0.06
CNS Cohen & Steers Inc.	Reduce -0.8%	0.39%	−0.06
KRC Kilroy Realty Corp.	Sold out	0.00%	−0.06
LEN Lennar Corp. Class A	Sold out	0.00%	−0.06
GFI Gold Fields Ltd.-Spons ADR	Reduce -62.4%	0.04%	−0.06
IRDM Iridium Communications Inc.	Reduce -9.6%	0.69%	−0.06
EXPE Expedia Group Inc.	Sold out	0.00%	−0.05
DNUT Krispy Kreme Inc.	Sold out	0.00%	−0.05
BFAM Bright Horizons Family Solut	Reduce -0.7%	0.42%	−0.05
AVNT Avient Corp.	Reduce -20.0%	0.09%	−0.05
MAC The Macerich Co.	Reduce -19.7%	0.11%	−0.05
ISRG Intuitive Surgical Inc.	Reduce -24.5%	0.15%	−0.05
FND Floor & Decor Holdings Inc. Class A	Reduce -4.7%	0.22%	−0.05
ZLAB Zai Lab Ltd.-ADR	Reduce -13.2%	0.15%	−0.04
HUBS HubSpot Inc.	Reduce -72.6%	0.01%	−0.04
MORN Morningstar Inc.	Reduce -0.3%	1.10%	−0.04
TREX Trex Company Inc.	Reduce -2.0%	0.23%	−0.04
ANET Arista Networks Inc.	Sold out	0.00%	−0.04
JBI Janus International Group Inc.	Reduce -43.2%	0.06%	−0.04
LI Li Auto Inc. - ADR	Reduce -60.7%	0.03%	−0.04

Portfolio Buys Q1 2025 → Q2 2025


SPOT Spotify Technology SA	Add +5.6%	1.95%	+0.52
NVDA Nvidia Corp.	Add +0.6%	1.24%	+0.32
RRR Red Rock Resorts Inc. Class A	Add +5.8%	1.73%	+0.25
TOL Toll Brothers Inc.	Add +116.9%	0.35%	+0.19
IBKR Interactive Brokers Gro Class A	Add +14.8%	0.63%	+0.19
H Hyatt Hotels Corp. Class A	Add +2.9%	2.25%	+0.17
IOT Samsara Inc. Class A	Add +148.6%	0.29%	+0.17
DKNG Draftkings Inc. Class A	Add +33.9%	0.43%	+0.16
APH Amphenol Corp. Class A	Add +1.9%	0.51%	+0.15
AVGO Broadcom Inc.	Add +3.5%	0.40%	+0.14
HNGE Hinge Health Inc. Class A	New	0.13%	+0.13
ABNB Airbnb Inc. Class A	Add +272.0%	0.18%	+0.13
WYNN WYNN Resorts Ltd.	Add +56.5%	0.34%	+0.13
LLY Eli Lilly & Co.	Add +200.3%	0.21%	+0.13
SHOP Shopify Inc. Class A	Add +5.8%	0.83%	+0.13
FIGS Figs Inc. Class A	Add +2.2%	0.92%	+0.13
INDI Indie Semiconductor Inc. Class A	Add +23.5%	0.24%	+0.12
PWR Quanta Services Inc.	Add +8.8%	0.36%	+0.12
BN Brookfield Corp.	Add +24.4%	0.42%	+0.11
TTD Trade Desk Inc./the Class A	Add +11.6%	0.41%	+0.11
BXP BXP Inc.	New	0.10%	+0.10
KRMN Karman Holdings Inc.	Add +0.6%	0.33%	+0.09
LOAR Loar Holdings Inc.	Add +100.9%	0.16%	+0.09
EQIX Equinix Inc.	Add +38.1%	0.41%	+0.08
EXAS Exact Sciences Corp.	Add +26.4%	0.27%	+0.08
BXMT Blackstone Mortgage Tru Class A	Add +1498.1%	0.08%	+0.08
SPG Simon Property Group Inc.	Add +307.4%	0.10%	+0.08
LLYVK Liberty Media Corp.-Liberty-C	Add +19.2%	0.31%	+0.07
DLR Digital Realty Trust Inc.	Add +63.6%	0.16%	+0.07
NOVT Novanta Inc.	Add +202.3%	0.11%	+0.07
LPLA LPL Financial Holdings Inc.	Add +34.6%	0.23%	+0.07
ONON On Holding AG Class A	Add +3.3%	0.58%	+0.07
DT Dynatrace Inc.	Add +65.6%	0.15%	+0.07
PONY Pony AI Inc.	New	0.06%	+0.06
HEI.A Heico Corp. Class A	Add +13.1%	0.28%	+0.06
CRH CRH PLC	Add +45.4%	0.21%	+0.06
DDOG Datadog Inc. Class A	Add +6.8%	0.23%	+0.06
BIRK Birkenstock Holding PLC	Add +11.3%	0.60%	+0.06
ZS Zscaler Inc.	Add +5.0%	0.16%	+0.05
ALKT Alkami Technology Inc.	Add +80.6%	0.11%	+0.05
ONT Onterris Inc.	Add +2.5%	0.16%	+0.05
WING Wingstop Inc.	Add +4.4%	0.14%	+0.04
FROG Jfrog Ltd.	Add +14.9%	0.14%	+0.04
PAR Par Technology Corp.	Add +8.5%	0.33%	+0.04
NPO Enpro Inc.	Add +23.0%	0.15%	+0.04
CYBR Cyberark Software Ltd./Israel	Add +4.5%	0.27%	+0.04
PCOR Procore Technologies Inc.	Add +24.4%	0.24%	+0.04
ASIC Ategrity Specialty Holdings	New	0.04%	+0.04
XP XP Inc. Class A	Add +14.9%	0.10%	+0.04
RBC RBC Bearings Inc.	Add +1.6%	0.34%	+0.04

All Filings

Quarter	Positions	13F Reported Value	Top Holdings
Q2 2026	345	$66.6B	SPCX, TSLA, MSCI, ACGL, H
Q1 2026	326	$33.1B	TSLA, ACGL, MSCI, GWRE, IT
Q4 2025	327	$36.9B	TSLA, ACGL, MSCI, CSGP, IDXX
Q3 2025	330	$37.7B	TSLA, ACGL, CSGP, MSCI, IDXX
Q2 2025	306	$36.9B	TSLA, ACGL, CSGP, IT, GWRE
Q1 2025	314	$34.0B	TSLA, ACGL, IT, CSGP, MSCI
Q4 2024	316	$38.7B	TSLA, IT, ACGL, CSGP, MSCI
Q3 2024	328	$37.7B	TSLA, ACGL, IT, CSGP, MSCI
Q2 2024	329	$34.9B	TSLA, ACGL, IT, CSGP, FDS
Q1 2024	332	$37.5B	TSLA, IT, ACGL, CSGP, MSCI