Follow-The-Filings

Featured 13F manager

BAMCO Inc (Baron Capital) Ron Baron

New York, NY 20 processed 13Fs on this site · 2021 Q3–2026 Q2

  • $66.6B
  • 345 Positions
  • 2026 Q2
  • +101.2% QoQ
  • Top 5 52.4%

Ron Baron files BAMCO Inc (Baron Capital) as a Form 13F. The latest book is 2026 Q2 at $66.6B, up 101.2% QoQ, led by Space Exploration Techn ·, Tesla, and MSCI Inc.

Portfolio

2026 Q2 · filed 8/14/2026 · 345 long · top 12 shown

top 5 52.4% · top 10 60.9%

AUM over time

2026 Q2 $66.6B +101.2% QoQ
2021 Q3 · $44.1B 2021 Q3 · $44.1B
Q3 2021
2021 Q4 · $47.1B · +6.8% QoQ 2021 Q4 · $47.1B · +6.8% QoQ
Q4
2022 Q1 · $40.7B · −13.6% QoQ 2022 Q1 · $40.7B · −13.6% QoQ
Q1 2022
2022 Q2 · $31.1B · −23.6% QoQ 2022 Q2 · $31.1B · −23.6% QoQ
Q2
2022 Q3 · $31B · −0.6% QoQ 2022 Q3 · $31B · −0.6% QoQ
Q3
2022 Q4 · $29.8B · −3.8% QoQ 2022 Q4 · $29.8B · −3.8% QoQ
Q4
2023 Q1 · $33.3B · +11.9% QoQ 2023 Q1 · $33.3B · +11.9% QoQ
Q1 2023
2023 Q2 · $36.1B · +8.4% QoQ 2023 Q2 · $36.1B · +8.4% QoQ
Q2
2023 Q3 · $34.4B · −4.7% QoQ 2023 Q3 · $34.4B · −4.7% QoQ
Q3
2023 Q4 · $37.5B · +9.1% QoQ 2023 Q4 · $37.5B · +9.1% QoQ
Q4
2024 Q1 · $37.5B · −0.1% QoQ 2024 Q1 · $37.5B · −0.1% QoQ
Q1 2024
2024 Q2 · $34.9B · −6.9% QoQ 2024 Q2 · $34.9B · −6.9% QoQ
Q2
2024 Q3 · $37.7B · +8.0% QoQ 2024 Q3 · $37.7B · +8.0% QoQ
Q3
2024 Q4 · $38.7B · +2.6% QoQ 2024 Q4 · $38.7B · +2.6% QoQ
Q4
2025 Q1 · $34B · −12.0% QoQ 2025 Q1 · $34B · −12.0% QoQ
Q1 2025
2025 Q2 · $36.9B · +8.3% QoQ 2025 Q2 · $36.9B · +8.3% QoQ
Q2
2025 Q3 · $37.7B · +2.2% QoQ 2025 Q3 · $37.7B · +2.2% QoQ
Q3
2025 Q4 · $36.9B · −2.1% QoQ 2025 Q4 · $36.9B · −2.1% QoQ
Q4
2026 Q1 · $33.1B · −10.2% QoQ 2026 Q1 · $33.1B · −10.2% QoQ
Q1 2026
2026 Q2 · $66.6B · +101.2% QoQ 2026 Q2 · $66.6B · +101.2% QoQ
Q2

Book

2025 Q4 2025 Q3 · filed 17 Feb · long equity

TSLA - Tesla 14.53% Reduce −0.2% 11,927,475 $449.72 $5.4B −20,139 +$51M
ACGL - Arch Cap Group 4.67% Reduce −4.1% 17,987,505 $95.92 $1.7B −772,150 +$23M
MSCI - MSCI Inc 4.28% Add +15.1% 2,755,747 $573.73 $1.6B +361,630 +$223M
CSGP - Costar Group 3.55% Add +1.3% 19,498,099 $67.24 $1.3B +242,533 −$314M
IDXX - Idexx Labs 3.30% Reduce −4.6% 1,798,041 $676.53 $1.2B −86,088 +$13M
IT - Gartner 2.88% Reduce −2.5% 4,212,957 $252.28 $1.1B −109,156 −$73M
GWRE - Guidewire Software 2.80% Reduce −0.4% 5,147,550 $201.01 $1B −21,301 −$153M
H - Hyatt Hotels · CL A 2.65% Reduce −0.2% 6,106,485 $160.32 $979M −10,188 +$111M
FDS - Factset Resh Sys 2.27% Add +58.8% 2,888,845 $290.19 $838M +1,069,786 +$317M
RRR - Red Rock Resorts · CL A 2.10% Add +2.0% 12,519,892 $61.95 $776M +250,725 +$26M
SCHW - Schwab Charles 1.91% Reduce −1.0% 7,060,309 $99.91 $705M −71,650 +$25M
CHH - Choice Hotels Intl 1.91% Add +37.8% 7,386,575 $95.26 $704M +2,026,679 +$131M
KNSL - Kinsale Cap Group 1.89% Reduce −0.4% 1,781,201 $391.12 $697M −7,389 −$64M
FIGS - FIGS Inc · CL A 1.85% Add 0.0% 59,959,449 $11.36 $681M +25,001 +$280M
MTN - Vail Resorts 1.73% Reduce −15.7% 4,809,928 $132.80 $639M −892,764 −$214M
SPOT - Spotify Technology S A 1.57% Add +0.9% 997,291 $580.71 $579M +8,596 −$111M
NVDA - Nvidia 1.51% Add +0.1% 2,988,943 $186.50 $557M +3,641 +$440K
SHOP - Shopify · CL A 1.00% Add +0.1% 2,288,270 $160.97 $368M +2,771 +$29M
BIRK - Birkenstock 0.88% Add +25.4% 7,966,037 $40.90 $326M +1,612,236 +$38M
IBKR - Interactive Brokers · CL A 0.81% Add +0.7% 4,643,376 $64.31 $299M +33,608 −$19M
PRI - Primerica 0.79% Reduce −19.6% 1,132,544 $258.36 $293M −275,697 −$98M
VRSK - Verisk Analytics 0.79% Add +6.7% 1,302,611 $223.69 $291M +81,596 −$16M
AMZN - Amazon 0.77% Add +13.6% 1,225,159 $230.82 $283M +146,847 +$46M
MORN - Morningstar 0.73% Reduce −12.2% 1,241,794 $217.31 $270M −172,511 −$58M
SITE - Siteone Landscape Supply 0.68% Add +3.1% 2,028,366 $124.56 $253M +61,490 −$680K
ONON - ON AG 0.68% Add +13.9% 5,405,486 $46.48 $251M +658,933 +$50M
VRT - Vertiv · CL A 0.68% Reduce −25.4% 1,545,572 $162.01 $250M −525,071 −$62M
WELL - Welltower 0.64% Add +7.6% 1,277,492 $185.61 $237M +90,558 +$26M
APH - Amphenol · CL A 0.63% Reduce −9.5% 1,710,742 $135.14 $231M −178,788 −$3M
CBRE - CBRE Group · CL A 0.59% Reduce −0.3% 1,359,332 $160.79 $219M −3,653 +$4M
MTD - Mettler Toledo 0.55% Reduce −30.8% 146,334 $1,394 $204M −65,018 −$55M
HLI - Houlihan Lokey · CL A 0.53% Reduce −0.6% 1,123,951 $174.19 $196M −6,239 −$36M
TSM - Taiwan Semiconductor Mfg 0.52% Add +4.7% 634,652 $303.89 $193M +28,740 +$24M
JLL - Jones Lang Lasalle 0.51% Add 0.0% 564,297 $336.47 $190M +200 +$22M
CWAN — · CL A 0.51% Add +1.8% 7,816,447 $24.12 $189M +141,409 +$50M
AVGO - Broadcom 0.50% Add +8.1% 537,840 $346.10 $186M +40,441 +$22M
META - Meta Platforms · CL A 0.48% Add +1.9% 270,126 $660.09 $178M +4,991 −$16M
BN - Brookfield · CL A 0.45% Add +51.4% 3,635,917 $45.89 $167M +1,233,637 +$2M
MSFT - Microsoft 0.45% Add +1.9% 341,758 $483.62 $165M +6,211 −$9M
DKNG - Draftkings · CL A 0.44% Add +13.8% 4,674,455 $34.46 $161M +568,487 +$8M
TOL - Toll Brothers 0.43% Add +0.8% 1,166,270 $135.22 $158M +9,385 −$2M
BABA - Alibaba Group 0.43% Add +6.8% 1,071,647 $146.58 $157M +67,948 −$22M
INTA - Intapp 0.41% Add +15.5% 3,327,989 $45.82 $152M +447,039 +$35M
WYNN - Wynn Resorts 0.40% Reduce −8.8% 1,219,590 $120.33 $147M −118,268 −$25M
IOT - Samsara · CL A 0.40% Add +21.9% 4,120,031 $35.45 $146M +741,200 +$20M
LOAR — 0.39% Add +17.2% 2,119,505 $68.00 $144M +310,406 −$602K
PLD - Prologis 0.38% Add +24.4% 1,109,127 $127.66 $142M +217,605 +$39M
KRMN - Karman 0.38% Reduce −19.3% 1,914,221 $73.17 $140M −457,011 −$31M
PWR - Quanta Svcs 0.38% Reduce −8.1% 328,010 $422.06 $138M −28,836 −$9M
RBC - Rbc Bearings 0.37% Reduce −7.5% 303,110 $448.43 $136M −24,539 +$8M

Showing top 50 of 313 by value

Exits / last held

not current holdings · last reported size, unchanged · gone vs 2025 Q3

Stock % of portfolio Recent activity Shares Reported price* Value Share change $ change
Liberty Media Del 0.38% Exit 0 $96.97 $141M −1,458,910 −$141M
TREX — 0.22% Exit 0 $51.67 $82M −1,589,735 −$82M
ITGR - Integer 0.21% Exit 0 $103.33 $79M −766,055 −$79M
DUOL - Duolingo · CL A 0.21% Exit 0 $321.84 $78M −243,708 −$78M
VNO - Vornado Rlty Tr 0.15% Exit 0 $40.53 $57M −1,408,487 −$57M
IRM - Iron Mtn Del 0.12% Exit 0 $101.94 $45M −436,831 −$45M
DAY - Dayforce 0.10% Exit 0 $68.89 $36M −523,064 −$36M
DHI - D.R. Horton 0.09% Exit 0 $169.47 $34M −199,717 −$34M
BEKE - KE 0.09% Exit 0 $19.00 $33M −1,756,357 −$33M
JBI — 0.07% Exit 0 $9.87 $27M −2,750,000 −$27M
Independence Rlty Tr 0.06% Exit 0 $16.39 $24M −1,467,193 −$24M
METC - Ramaco Res · CL A 0.05% Exit 0 $33.19 $21M −623,058 −$21M
GFI - Gold Fields 0.04% Exit 0 $41.96 $16M −370,774 −$16M
VICI - Vici Pptys 0.02% Exit 0 $32.61 $8M −239,048 −$8M
INVH - Invitation Homes 0.02% Exit 0 $29.33 $8M −258,156 −$8M
SMA — 0.02% Exit 0 $37.64 $7M −185,572 −$7M
BLDR - Builders Firstsource 0.02% Exit 0 $121.25 $7M −57,196 −$7M
VRTX - Vertex · CL A 0.02% Exit 0 $24.79 $6M −248,042 −$6M
UDR - UDR Inc 0.01% Exit 0 $37.26 $3M −88,575 −$3M
BILL — 0.01% Exit 0 $52.97 $3M −54,733 −$3M
FRPT - Freshpet 0.01% Exit 0 $55.12 $2M −38,628 −$2M
DOCS - Doximity · CL A 0.01% Exit 0 $73.15 $2M −27,000 −$2M
CDTX - Cidara Therapeutics Exit 0 $95.77 $2M −17,500 −$2M
ARE — Exit 0 $83.32 $2M −20,104 −$2M
MANU - Manchester Utd · CL A Exit 0 $15.14 $1M −90,448 −$1M
CYTK - Cytokinetics Exit 0 $54.98 $1M −24,500 −$1M
Confluent · CLASS A Exit 0 $19.80 $1M −65,000 −$1M
Endava Exit 0 $9.10 $1M −118,800 −$1M
CVS - Cvs Health Exit 0 $75.38 $980K −13,000 −$980K
Z - Zillow Group · CL C Exit 0 $77.04 $936K −12,150 −$936K
FISV - Fiserv Exit 0 $129.00 $645K −5,000 −$645K
Essent Group Exit 0 $63.59 $530K −8,335 −$530K
Merus Exit 0 $94.20 $471K −5,000 −$471K
IBN - Icici Bank Exit 0 $30.24 $354K −11,708 −$354K
MBLY - Mobileye Global · CLASS A Exit 0 $14.15 $189K −13,357 −$189K
MRP - Millrose Pptys · CL A Exit 0 $50.00 $1K −20 −$1K
CYH - Community Health Sys Exit 0 −100 $—

* Reported price is value ÷ shares from the 13F as of period end — not a live market quote. Weight % is each long-equity position ÷ full 13F AUM, so rows may not sum to 100% when the filing includes options or other non-equity (excluded from this table). Share change and $ change are vs 2025 Q3. Click column headers to sort · click New / Hold / Add / Reduce to promote that move type to the top. Exit opens the last-held block below.

Filings history

20 periods · normalized AUM · open a period for holdings

Period Holdings AUM QoQ Form Filed Filing ID
2026 Q2 345 $66.6B +101.2% 13F-HR 8/14/2026 000101791826000067
2026 Q1 326 $33.1B −10.2% 13F-HR 5/15/2026 000101791826000043
2025 Q4 327 $36.9B −2.1% 13F-HR 2/17/2026 000101791826000015
2025 Q3 330 $37.7B +2.2% 13F-HR 11/14/2025 000101791825000059
2025 Q2 306 $36.9B +8.3% 13F-HR 8/14/2025 000101791825000041
2025 Q1 314 $34B −12.0% 13F-HR 5/15/2025 000101791825000031
2024 Q4 316 $38.7B +2.6% 13F-HR 2/14/2025 000101791825000019
2024 Q3 328 $37.7B +8.0% 13F-HR 11/14/2024 000101791824000083
2024 Q2 329 $34.9B −6.9% 13F-HR 8/14/2024 000101791824000013
2024 Q1 332 $37.5B −0.1% 13F-HR 5/15/2024 000101791824000010
2023 Q4 330 $37.5B +9.1% 13F-HR 2/14/2024 000101791824000006
2023 Q3 334 $34.4B −4.7% 13F-HR 11/14/2023 000101791823000018
2023 Q2 343 $36.1B +8.4% 13F-HR 8/14/2023 000101791823000015
2023 Q1 360 $33.3B +11.9% 13F-HR 5/15/2023 000101791823000011
2022 Q4 375 $29.8B −3.8% 13F-HR 2/14/2023 000101791823000006
2022 Q3 370 $31B −0.6% 13F-HR 11/14/2022 000156761922019904
2022 Q2 371 $31.1B −23.6% 13F-HR 8/15/2022 000156761922016144
2022 Q1 388 $40.7B −13.6% 13F-HR 5/13/2022 000156761922010459
2021 Q4 404 $47.1B +6.8% 13F-HR 2/14/2022 000156761922004346
2021 Q3 397 $44.1B 13F-HR 11/12/2021 000156761921019987

About

BAMCO Inc (Baron Capital)

20 processed 13Fs on this site · 2021 Q3–2026 Q2

Entity
BAMCO Inc (Baron Capital)
Notable person
Ron Baron
SEC filing name
BAMCO INC /NY/
Location
New York, NY
All SEC filings
View on sec.gov