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

2023 Q1 2022 Q4 · filed 15 May · long equity

TSLA - Tesla 10.97% Add +0.5% 17,606,894 $207.46 $3.7B +79,037 +$1.5B
IT - Gartner 4.69% Reduce −2.1% 4,796,458 $325.77 $1.6B −102,330 −$84M
ACGL - Arch Cap Group 4.34% Reduce −0.6% 21,290,775 $67.87 $1.4B −125,545 +$100M
CSGP - Costar Group 3.92% Reduce −0.7% 18,970,081 $68.85 $1.3B −140,122 −$171M
MSCI - MSCI Inc · CL A 3.65% Reduce −0.1% 2,172,566 $559.69 $1.2B −1,291 +$205M
IDXX - Idexx Labs 3.54% Reduce −0.7% 2,356,243 $500.08 $1.2B −17,343 +$210M
FDS - Factset Resh Sys 3.36% Add +0.7% 2,698,268 $415.09 $1.1B +18,827 +$45M
MTN - Vail Resorts 3.25% Add +0.8% 4,629,113 $233.68 $1.1B +38,565 −$12M
IRDM - Iridium Communications 2.68% Reduce −0.5% 14,440,447 $61.93 $894M −70,871 +$148M
ANSS - Ansys 1.96% Add +0.5% 1,962,217 $332.80 $653M +9,095 +$181M
KNSL - Kinsale Cap Group 1.87% Reduce −0.1% 2,074,765 $300.15 $623M −2,300 +$80M
H - Hyatt Hotels · CL A 1.73% Reduce −0.2% 5,148,507 $111.79 $576M −11,359 +$109M
CHH - Choice Hotels Intl 1.61% Reduce −0.1% 4,573,432 $117.19 $536M −2,628 +$21M
MTD - Mettler Toledo 1.54% Reduce −1.9% 335,056 $1,530 $513M −6,530 +$19M
GWRE - Guidewire Software 1.50% Add +3.9% 6,106,230 $82.05 $501M +226,720 +$133M
GLPI - Gaming & Leisure Pptys 1.32% Reduce −4.7% 8,470,246 $52.06 $441M −415,775 −$22M
SCHW - Schwab Charles 1.20% Add +13.6% 7,630,034 $52.38 $400M +915,388 −$159M
TECH - Bio Techne 1.20% Reduce −2.5% 5,379,492 $74.19 $399M −139,570 −$58M
TSM - Taiwan Semiconductor Mfg 1.20% Add +11.3% 4,280,903 $93.02 $398M +433,498 +$112M
RRR - Red Rock Resorts · CL A 1.13% Add +3.7% 8,470,525 $44.57 $378M +305,352 +$51M
MAR - Marriott 1.13% Add +3.8% 2,785,321 $134.86 $376M +101,430 +$14M
WST - West Pharmaceutical Svsc 1.11% Reduce −1.0% 1,065,115 $346.47 $369M −10,338 +$116M
PRI - Primerica 1.01% Reduce −0.2% 1,947,263 $172.24 $335M −3,380 +$59M
DAY - Ceridian Hcm 0.76% Reduce −0.6% 3,467,698 $73.22 $254M −19,538 +$30M
FND - Floor & Decor · CL A 0.76% Reduce −6.3% 2,579,551 $98.22 $253M −173,239 +$62M
VRSK - Verisk Analytics · CL A 0.75% Add +1.7% 1,306,304 $191.86 $251M +21,912 +$24M
BABA - Alibaba Group 0.69% Add +11.6% 2,251,648 $102.18 $230M +234,887 +$52M
MORN - Morningstar 0.69% Reduce −0.4% 1,128,519 $203.03 $229M −5,000 −$16M
PENN - Penn Entertainment 0.68% Reduce −5.3% 7,659,384 $29.66 $227M −431,573 −$13M
ICLR - ICON 0.63% Add +5.6% 987,977 $213.59 $211M +52,126 +$29M
SITE - Siteone Landscape Supply 0.61% Reduce −12.6% 1,487,105 $136.87 $204M −213,931 +$4M
CNS - Cohen & Steers 0.55% Reduce −6.9% 2,848,920 $63.96 $182M −209,582 −$15M
EFOR - ASGN 0.53% Add +4.3% 2,130,981 $82.67 $176M +87,200 +$10M
BFAM — 0.52% Reduce −0.6% 2,238,271 $76.99 $172M −14,401 +$30M
DXCM - Dexcom 0.50% Add +6.0% 1,437,140 $116.18 $167M +81,553 +$13M
Endava 0.49% Add +0.7% 2,437,049 $67.18 $164M +15,909 −$21M
ARE — 0.47% Reduce −2.5% 1,251,863 $125.59 $157M −32,308 −$30M
NVDA - Nvidia 0.45% Reduce −6.5% 540,614 $277.77 $150M −37,479 +$66M
SBAC - Sba Communications 0.44% Reduce −25.4% 560,491 $261.07 $146M −190,805 −$64M
MSFT - Microsoft 0.42% Reduce −2.8% 484,483 $288.30 $140M −13,976 +$20M
VRSN - Verisign 0.41% Reduce −0.9% 647,247 $211.33 $137M −5,896 +$3M
VEEV - Veeva Sys · CL A 0.41% Reduce −1.5% 738,802 $183.79 $136M −11,108 +$15M
BYD - Boyd Gaming 0.41% Add +8.2% 2,115,907 $64.12 $136M +160,108 +$29M
TREX — 0.40% Reduce −22.5% 2,722,862 $48.67 $133M −790,063 −$16M
FIGS - FIGS Inc · CL A 0.39% Add +28.5% 20,866,767 $6.19 $129M +4,622,779 +$20M
Aspen Technology 0.38% Add +2.0% 555,822 $228.87 $127M +10,883 +$15M
I3N - Chart Inds 0.38% Add +10.8% 1,007,228 $125.40 $126M +98,014 +$22M
EQIX - Equinix 0.38% Reduce −5.2% 174,084 $721.04 $126M −9,547 +$5M
ROP - Roper Industries 0.38% Reduce −0.5% 284,686 $440.69 $125M −1,471 +$2M
Altair Engr · CL A 0.35% Add 0.0% 1,635,507 $72.11 $118M +777 +$44M

Showing top 50 of 352 by value

Exits / last held

not current holdings · last reported size, unchanged · gone vs 2022 Q4

Stock % of portfolio Recent activity Shares Reported price* Value Share change $ change
PGNY - Progyny 0.12% Exit 0 $31.15 $36M −1,163,928 −$36M
Holding 0.10% Exit 0 $121.89 $30M −244,477 −$30M
CDNA - Caredx 0.08% Exit 0 $11.41 $23M −2,058,339 −$23M
INGN - Inogen 0.06% Exit 0 $19.71 $19M −976,644 −$19M
SHW - Sherwin Williams 0.06% Exit 0 $237.33 $19M −79,157 −$19M
Nuvei 0.06% Exit 0 $25.41 $18M −705,000 −$18M
Dlocal · CLASS A 0.05% Exit 0 $15.57 $15M −958,234 −$15M
BV - Brightview 0.05% Exit 0 $6.89 $14M −2,096,786 −$14M
Holding 0.04% Exit 0 $9.48 $12M −1,308,754 −$12M
SPG - Simon Ppty Group 0.02% Exit 0 $117.47 $7M −62,490 −$7M
ABNB - Airbnb · CL A 0.02% Exit 0 $85.50 $7M −80,360 −$7M
SPHR — · CL A 0.02% Exit 0 $44.97 $7M −150,000 −$7M
Forgerock · CL A 0.02% Exit 0 $22.77 $6M −276,028 −$6M
AZTA - Azenta 0.02% Exit 0 $58.22 $5M −93,000 −$5M
ACMR - Acm Resh · CL A 0.01% Exit 0 $7.71 $4M −571,123 −$4M
Membership Collective Group 0.01% Exit 0 $3.74 $4M −1,000,000 −$4M
Sweetgreen 0.01% Exit 0 $8.57 $3M −343,447 −$3M
CCI - Crown Castle Intl 0.01% Exit 0 $135.66 $3M −20,861 −$3M
ALNY - Alnylam Pharmaceuticals 0.01% Exit 0 $237.68 $3M −11,650 −$3M
Azul S A 0.01% Exit 0 $6.11 $3M −428,039 −$3M
Kornit Digital 0.01% Exit 0 $22.97 $3M −113,094 −$3M
SPY - Spdr S&P 500 ETF Tr Exit 0 $382.57 $878K −2,295 −$878K
Ishares Tr Exit 0 $214.45 $656K −3,059 −$656K
HROW - Harrow Health Exit 0 $14.77 $298K −20,173 −$298K
BRZE - Braze Exit 0 $27.33 $270K −9,880 −$270K
Ishares Tr Exit 0 $81.49 $217K −2,663 −$217K
APAM - Artisan Partners Asset Mgmt · CL A Exit 0 $29.70 $95K −3,199 −$95K
SEER · CL A Exit 0 $5.86 $32K −5,463 −$32K
Nexpoint Residential Tr Exit 0 $45.45 $4K −88 −$4K

* 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 2022 Q4. 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