Baron Capital (BAMCO)

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

In its 13F for Q4 2024 (holdings as of December 31, 2024, filed February 14, 2025), Ron Baron's Baron Capital (BAMCO) reported 316 stock positions worth $38.7 billion. Its top holding was Tesla (TSLA) at 15.2% of the portfolio, followed by Gartner (IT, 4.9%) and Arch Capital (ACGL, 4.9%). Compared with Q3 2024, it opened 16 new positions, sold out of 28, added to 94 and reduced 151. The biggest buy was a new position in Expedia (EXPE) 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: $38.7B (Q4 2024)
SEC Filing: 0001017918-25-000019 ↗ filed Feb 14, 2025

Holdings Value

Holdings 316 stocks · $38.7B


TSLA Tesla Inc.	15.22%	14,578,809	$5.9B	Reduce -2.3%
IT Gartner Inc.	4.90%	3,916,203	$1.9B	Reduce -2.6%
ACGL Arch Capital Group Ltd.	4.88%	20,462,724	$1.9B	Reduce -1.3%
CSGP Costar Group Inc.	3.55%	19,203,564	$1.4B	Add +2.2%
MSCI MSCI Inc.	3.31%	2,131,931	$1.3B	Reduce -1.2%
FDS Factset Research Systems Inc.	2.92%	2,355,611	$1.1B	Reduce -4.9%
GWRE Guidewire Software Inc.	2.58%	5,915,183	$997.2M	Reduce -1.6%
MTN Vail Resorts Inc.	2.56%	5,290,546	$991.7M	Add +2.0%
H Hyatt Hotels Corp. Class A	2.25%	5,550,789	$871.4M	Add +1.2%
IDXX Idexx Laboratories Inc.	2.14%	2,005,522	$829.2M	Add +4.3%
KNSL Kinsale Capital Group Inc.	2.08%	1,726,604	$803.1M	Reduce -1.1%
CHH Choice Hotels Intl Inc.	1.72%	4,682,492	$664.8M	Reduce -0.7%
SCHW Schwab (charles) Corp.	1.38%	7,217,828	$534.2M	Reduce -0.7%
RRR Red Rock Resorts Inc. Class A	1.36%	11,356,201	$525.1M	Add +6.9%
ANSS Ansys Inc.	1.23%	1,416,224	$477.7M	Reduce -12.2%
PRI Primerica Inc.	1.16%	1,655,547	$449.3M	Reduce -3.3%
MORN Morningstar Inc.	1.14%	1,305,155	$439.5M	Reduce -0.0%
SPOT Spotify Technology SA	1.04%	897,166	$401.4M	Add +1.7%
NVDA Nvidia Corp.	0.99%	2,846,647	$382.3M	Reduce -4.9%
GLPI Gaming and Leisure Propertie	0.97%	7,817,443	$376.5M	Reduce -3.6%
VRSK Verisk Analytics Inc.	0.89%	1,252,586	$345.0M	Reduce -1.3%
MTD Mettler-Toledo International	0.89%	280,994	$343.8M	Reduce -2.7%
IRDM Iridium Communications Inc.	0.81%	10,769,377	$312.5M	Reduce -3.1%
VRT Vertiv Holdings Co. Class A	0.81%	2,750,000	$312.4M	Reduce -22.5%
TECH Bio-Techne Corp.	0.77%	4,136,984	$298.0M	Reduce -6.9%
EQIX Equinix Inc.	0.71%	291,587	$274.9M	Add +20.4%
SHOP Shopify Inc. Class A	0.71%	2,581,257	$274.5M	Reduce -5.1%
DAY Dayforce Inc.	0.66%	3,526,456	$256.2M	Reduce -0.0%
MSFT Microsoft Corp.	0.63%	576,241	$242.9M	Reduce -0.2%
AMZN Amazon.com Inc.	0.61%	1,080,063	$237.0M	Reduce -1.4%
SITE Siteone Landscape Supply Inc.	0.56%	1,652,772	$217.8M	Add +4.6%
HLI Houlihan Lokey Inc.	0.51%	1,144,179	$198.7M	Reduce -0.0%
FIGS Figs Inc. Class A	0.49%	30,837,759	$190.9M	Add +2.7%
BIRK Birkenstock Holding PLC	0.49%	3,359,351	$190.3M	Add +8.3%
TTD Trade Desk Inc./the Class A filed as THE TRADE DESK INC	0.49%	1,616,029	$189.9M	Reduce -11.2%
FICO Fair Isaac Corp.	0.48%	93,590	$186.3M	Reduce -2.4%
CNS Cohen & Steers Inc.	0.48%	2,008,882	$185.5M	Reduce -0.0%
CBRE CBRE Group Inc. Class A	0.47%	1,390,985	$182.6M	Add +7.0%
GTLS Chart Industries Inc.	0.47%	952,404	$181.8M	Reduce -6.9%
TSM Taiwan Semiconductor-SP ADR	0.45%	877,053	$173.2M	Reduce -8.7%
ONON On Holding AG Class A filed as ON HLDG AG	0.45%	3,157,793	$173.0M	Add +0.0%
BFAM Bright Horizons Family Solut	0.45%	1,559,277	$172.8M	Add +4.7%
META Meta Platforms Inc. Class A	0.43%	281,029	$164.5M	Reduce -1.4%
IBKR Interactive Brokers Gro Class A	0.42%	913,967	$161.5M	Add +0.1%
INTA Intapp Inc.	0.41%	2,484,012	$159.2M	Reduce -12.9%
GDS GDS Holdings Ltd. - ADR filed as GDS HLDGS LTD	0.41%	6,673,226	$158.6M	Add +10.5%
ICLR Icon PLC	0.40%	734,167	$154.0M	Reduce -23.1%
ARGX Argenx SE - ADR	0.39%	242,178	$148.9M	Reduce -3.3%
TREX Trex Company Inc.	0.38%	2,153,133	$148.6M	Add +6.2%
CWAN Clearwater Analytics HDS-A	0.38%	5,324,970	$146.5M	Reduce -0.0%
WELL Welltower Inc.	0.38%	1,151,495	$145.1M	Add +18.1%
WST West Pharmaceutical Services	0.37%	434,121	$142.2M	Reduce -10.3%
BN Brookfield Corp.	0.36%	2,391,691	$137.4M	Add +22.7%
TDG Transdigm Group Inc.	0.35%	107,844	$136.7M	Add +1.9%
BX Blackstone Inc.	0.35%	785,682	$135.5M	Add +2.0%
ROP Roper Technologies Inc.	0.34%	253,317	$131.7M	Reduce -1.7%
EFOR Everforth Inc. filed as ASGN INC	0.34%	1,570,286	$130.9M	Reduce -17.1%
DNUT Krispy Kreme Inc.	0.34%	13,069,717	$129.8M	Add +24.7%
APH Amphenol Corp. Class A	0.33%	1,850,768	$128.5M	Reduce -0.1%
CPNG Coupang Inc.	0.33%	5,757,166	$126.5M	Reduce -15.3%
PLNT Planet Fitness Inc. Class A	0.32%	1,250,000	$123.6M	No change
BABA Alibaba Group Holding-SP ADR	0.31%	1,434,620	$121.6M	Reduce 0.0%
DEI Douglas Emmett Inc.	0.31%	6,388,156	$118.6M	Reduce -0.0%
BWIN Baldwin Insurance Group Inc./ filed as THE BALDWIN INSURANCE GRP IN	0.30%	3,010,000	$116.7M	No change
KTOS Kratos Defense & Security	0.30%	4,374,077	$115.4M	No change
AVGO Broadcom Inc.	0.29%	484,330	$112.3M	Reduce -4.1%
FND Floor & Decor Holdings Inc. Class A	0.29%	1,125,941	$112.3M	Reduce -10.1%
DLR Digital Realty Trust Inc.	0.29%	631,257	$111.9M	Add +6.3%
YMM Full Truck Alliance -SPN ADR	0.28%	10,078,316	$109.0M	Reduce -3.1%
JLL Jones Lang Lasalle Inc.	0.28%	420,366	$106.4M	Add +33.6%
NEOG Neogen Corp.	0.27%	8,485,308	$103.0M	Add +16.2%
VNO Vornado Realty Trust	0.27%	2,443,712	$102.7M	Add +27.8%
PWR Quanta Services Inc.	0.26%	323,335	$102.2M	Add +0.2%
MELI MercadoLibre Inc.	0.26%	58,198	$99.0M	Add +10.9%
NET Cloudflare Inc. Class A	0.25%	897,555	$96.6M	Add +5.5%
RBC RBC Bearings Inc.	0.25%	322,361	$96.4M	Reduce -3.8%
CAKE The Cheesecake Factory Inc.	0.25%	2,000,000	$94.9M	No change
CG The Carlyle Group Inc.	0.24%	1,867,253	$94.3M	No change
MAC The Macerich Co.	0.24%	4,675,471	$93.1M	Add +175.8%
DKNG Draftkings Inc. Class A	0.24%	2,499,356	$93.0M	Add +4.5%
FWONK Liberty Media Corp. Class C	0.24%	1,000,000	$92.7M	No change
AXON Axon Enterprise Inc.	0.24%	154,650	$91.9M	Reduce -39.1%
JBTM JBT Marel Corp. filed as JOHN BEAN TECHNOLOGIES CORP	0.23%	700,000	$89.0M	No change
CYBR Cyberark Software Ltd./Israel	0.23%	262,597	$87.5M	Add +16.5%
LVS Las Vegas Sands Corp.	0.22%	1,627,165	$83.6M	Add +2.9%
COO The Cooper Cos Inc.	0.22%	904,982	$83.2M	Reduce -3.7%
VEEV Veeva Systems Inc. Class A	0.21%	391,262	$82.3M	Reduce -5.1%
TRU Transunion	0.21%	871,818	$80.8M	Reduce -0.5%
INDI Indie Semiconductor Inc. Class A	0.21%	19,901,826	$80.6M	Add +30.6%
IBP Installed Building Products	0.21%	458,769	$80.4M	Reduce -6.8%
EXPE Expedia Group Inc.	0.21%	430,454	$80.2M	New
HLT Hilton Worldwide Holdings Inc.	0.20%	319,734	$79.0M	Add +3.7%
LLYVK Liberty Media Corp.-Liberty-C	0.20%	1,141,546	$77.7M	Reduce -2.2%
PAR Par Technology Corp.	0.20%	1,065,579	$77.4M	Reduce -9.0%
DRVN Driven Brands Holdings Inc.	0.20%	4,750,000	$76.7M	Add +35.7%
VMRK Vivmark Residential filed as EQUITY RESIDENTIAL	0.20%	1,067,763	$76.6M	Add +55.1%
ISRG Intuitive Surgical Inc.	0.20%	146,216	$76.3M	Reduce -8.7%
NOW ServiceNow Inc.	0.20%	71,899	$76.2M	Reduce -4.5%
DDOG Datadog Inc. Class A	0.20%	530,854	$75.9M	Reduce -4.5%
AAPL Apple Inc.	0.20%	301,279	$75.4M	Add +0.3%

Show all 316 holdings

Portfolio Sells Q3 2024 → Q4 2024


ACGL Arch Capital Group Ltd.	Reduce -1.3%	4.88%	−1.27
IT Gartner Inc.	Reduce -2.6%	4.90%	−0.50
GWRE Guidewire Software Inc.	Reduce -1.6%	2.58%	−0.34
ICLR Icon PLC	Reduce -23.1%	0.40%	−0.33
MTD Mettler-Toledo International	Reduce -2.7%	0.89%	−0.26
LEN Lennar Corp. Class A	Reduce -50.3%	0.12%	−0.23
TOL Toll Brothers Inc.	Reduce -47.2%	0.15%	−0.21
REXR Rexford Industrial Realty Inc.	Sold out	0.00%	−0.20
DHI D.R. Horton Inc.	Reduce -43.7%	0.13%	−0.20
TECH Bio-Techne Corp.	Reduce -6.9%	0.77%	−0.17
ALTR Altair Engineering Inc. Class A	Reduce -57.2%	0.15%	−0.17
CZR Caesars Entertainment Inc.	Sold out	0.00%	−0.16
GLPI Gaming and Leisure Propertie	Reduce -3.6%	0.97%	−0.13
AZPN Aspen Technology Inc.	Reduce -45.9%	0.16%	−0.13
EFOR Everforth Inc.	Reduce -17.1%	0.34%	−0.13
VRT Vertiv Holdings Co. Class A	Reduce -22.5%	0.81%	−0.13
PLD Prologis Inc.	Sold out	0.00%	−0.13
ANSS Ansys Inc.	Reduce -12.2%	1.23%	−0.13
FND Floor & Decor Holdings Inc. Class A	Reduce -10.1%	0.29%	−0.12
AMT American Tower Corp.	Sold out	0.00%	−0.12
CPNG Coupang Inc.	Reduce -15.3%	0.33%	−0.12
IBP Installed Building Products	Reduce -6.8%	0.21%	−0.11
CDW CDW Corp.	Reduce -29.9%	0.13%	−0.11
FDS Factset Research Systems Inc.	Reduce -4.9%	2.92%	−0.10
VMC Vulcan Materials Co.	Reduce -49.1%	0.10%	−0.09
MGM MGM Resorts International	Reduce -87.1%	0.01%	−0.09
ARE Alexandria Real Estate Equit	Reduce -18.3%	0.17%	−0.09
IRDM Iridium Communications Inc.	Reduce -3.1%	0.81%	−0.09
BABA Alibaba Group Holding-SP ADR	Reduce 0.0%	0.31%	−0.09
INVH Invitation Homes Inc.	Sold out	0.00%	−0.08
LOW Lowe's Cos Inc.	Reduce -31.5%	0.13%	−0.08
KNSL Kinsale Capital Group Inc.	Reduce -1.1%	2.08%	−0.08
BLDR Builders Firstsource Inc.	Reduce -67.9%	0.02%	−0.07
COO The Cooper Cos Inc.	Reduce -3.7%	0.22%	−0.06
MPWR Monolithic Power Systems Inc.	Reduce -69.5%	0.01%	−0.06
FOXF Fox Factory Holding Corp.	Sold out	0.00%	−0.06
LINE Lineage Inc.	Sold out	0.00%	−0.05
PDD PDD Holdings Inc.	Reduce -69.0%	0.01%	−0.05
NU Nu Holdings Ltd./Cayman Isl-A	Reduce -15.1%	0.08%	−0.05
VRNS Varonis Systems Inc.	Reduce -23.3%	0.07%	−0.05
YUMC Yum China Holdings Inc.	Sold out	0.00%	−0.05
AMD Advanced Micro Devices	Sold out	0.00%	−0.05
WEX Wex Inc.	Reduce -16.5%	0.09%	−0.04
PRI Primerica Inc.	Reduce -3.3%	1.16%	−0.04
BZ Kanzhun Ltd. - ADR	Reduce -25.1%	0.06%	−0.04
RCKT Rocket Pharmaceuticals Inc.	Reduce -91.5%	0.00%	−0.04
ROP Roper Technologies Inc.	Reduce -1.7%	0.34%	−0.04
VKTX Viking Therapeutics Inc.	Reduce -18.8%	0.04%	−0.04
CRWD CrowdStrike Holdings Inc. Class A	Reduce -48.6%	0.06%	−0.04
TTD Trade Desk Inc./the Class A	Reduce -11.2%	0.49%	−0.04

Portfolio Buys Q3 2024 → Q4 2024


EXPE Expedia Group Inc.	New	0.21%	+0.21
TTAN Servicetitan Inc. Class A	New	0.18%	+0.18
SPOT Spotify Technology SA	Add +1.7%	1.04%	+0.18
MTN Vail Resorts Inc.	Add +2.0%	2.56%	+0.17
MAC The Macerich Co.	Add +175.8%	0.24%	+0.16
KRC Kilroy Realty Corp.	New	0.15%	+0.15
EQIX Equinix Inc.	Add +20.4%	0.71%	+0.14
BIRK Birkenstock Holding PLC	Add +8.3%	0.49%	+0.09
GDS GDS Holdings Ltd. - ADR	Add +10.5%	0.41%	+0.08
BN Brookfield Corp.	Add +22.7%	0.36%	+0.08
IBKR Interactive Brokers Gro Class A	Add +0.1%	0.42%	+0.08
IRT Independence Realty Trust Inc.	Add +592.0%	0.09%	+0.07
NET Cloudflare Inc. Class A	Add +5.5%	0.25%	+0.07
DRVN Driven Brands Holdings Inc.	Add +35.7%	0.20%	+0.07
VNO Vornado Realty Trust	Add +27.8%	0.27%	+0.07
LYV Live Nation Entertainment Inc.	New	0.07%	+0.07
NARI Inari Medical Inc.	Add +30.4%	0.17%	+0.06
NPO Enpro Inc.	New	0.06%	+0.06
VMRK Vivmark Residential	Add +55.1%	0.20%	+0.06
LPLA LPL Financial Holdings Inc.	Add +82.9%	0.10%	+0.06
FROG Jfrog Ltd.	New	0.06%	+0.06
CYBR Cyberark Software Ltd./Israel	Add +16.5%	0.23%	+0.05
BAM Brookfield Asset Mgmt-A	Add +22.6%	0.19%	+0.05
JLL Jones Lang Lasalle Inc.	Add +33.6%	0.28%	+0.05
ANET Arista Networks Inc.	New	0.05%	+0.05
INDI Indie Semiconductor Inc. Class A	Add +30.6%	0.21%	+0.05
WELL Welltower Inc.	Add +18.1%	0.38%	+0.04
PCOR Procore Technologies Inc.	Add +9.6%	0.19%	+0.04
CBRE CBRE Group Inc. Class A	Add +7.0%	0.47%	+0.04
H Hyatt Hotels Corp. Class A	Add +1.2%	2.25%	+0.04
BX Blackstone Inc.	Add +2.0%	0.35%	+0.04
DNUT Krispy Kreme Inc.	Add +24.7%	0.34%	+0.04
SGML Sigma Lithium Corp.	New	0.04%	+0.04
DLR Digital Realty Trust Inc.	Add +6.3%	0.29%	+0.03
TEAM Atlassian Corp. Class A	Add +10.0%	0.09%	+0.03
ESTA Establishment Labs Holdings	Add +53.8%	0.09%	+0.03
HQY Healthequity Inc.	Add +4.0%	0.19%	+0.03
ONON On Holding AG Class A	Add +0.0%	0.45%	+0.03
TREX Trex Company Inc.	Add +6.2%	0.38%	+0.03
JD Jd.com Inc.-ADR	Add +52.1%	0.11%	+0.02
FWONA Liberty Media Corp. Class A	Add +29.1%	0.07%	+0.02
ONT Onterris Inc.	Add +84.5%	0.11%	+0.02
ODD Oddity Tech Ltd. Class A	Add +14.7%	0.16%	+0.02
ZS Zscaler Inc.	Add +43.3%	0.07%	+0.02
NCNO Ncino Inc.	Add +12.3%	0.15%	+0.02
V Visa Inc. Class A	Add +3.4%	0.14%	+0.02
MBLY Mobileye Global Inc. Class A	Add +1427.2%	0.02%	+0.02
GTLB Gitlab Inc. Class A	Add +3.4%	0.19%	+0.02
GCMG GCM Grosvenor Inc. Class A	Add +25.7%	0.07%	+0.02
TWFG TWFG Inc.	Add +19.6%	0.07%	+0.02

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