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Super Investors BAMCO INC /NY/
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BAMCO INC /NY/

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$66.6B
Positions
345
Quarter ended
June 30, 2026
Filed
August 14, 2026

Reported portfolio value by quarter (53 quarters reported)

$66.6B $17.8B
Q2 13 Q1 16 Q4 18 Q3 21 Q2 24 Q2 26

$19.2B in Q2 2013 → $66.6B now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
SE Space Exploration Techn Corp 37.4% New 145,775,147 $24.9B
Tesla Inc 7.9% Added 5.0% 12,524,752 $5.27B
Msci Inc 2.7% Added 19% 3,211,753 $1.8B
AC Arch Cap Group Ltd 2.3% Trimmed 5.0% 15,872,450 $1.54B
Hyatt Hotels Corp 2.1% Added 15% 7,279,087 $1.41B
Shopify Inc 1.9% Added 136% 11,155,546 $1.27B
Spotify Technology S A 1.7% Added 84% 2,433,114 $1.12B
Guidewire Software Inc 1.7% Added 36% 8,994,456 $1.11B
SC Schwab Charles Corp 1.6% Added 56% 11,655,694 $1.08B
Red Rock Resorts Inc 1.6% Added 22% 16,391,131 $1.07B
IL Idexx Labs Inc 1.6% Added 21% 1,976,778 $1.04B
CH Choice Hotels Intl Inc 1.5% Added 21% 9,328,354 $1.03B
Gartner Inc 1.5% Added 28% 7,601,009 $985M
FR Factset Resh Sys Inc 1.5% Added 12% 4,200,856 $967M
Vail Resorts Inc 1.3% Added 30% 6,536,697 $890M
KC Kinsale Cap Group Inc 1.3% Added 31% 2,663,958 $879M
Verisk Analytics Inc 1.3% Added 87% 4,702,605 $844M
Birkenstock Holding PLC 1.0% Added 57% 14,739,609 $634M
Figs Inc 0.9% Unchanged 59,959,449 $613M
Costar Group Inc 0.9% Added 33% 21,626,763 $612M
OH On Hldg Ag 0.9% Added 74% 16,929,770 $600M
Nvidia Corporation 0.9% Added 1.6% 2,965,306 $593M
Morningstar Inc 0.8% Added 361% 3,499,146 $546M
Amazon Com Inc 0.7% Added 51% 1,956,523 $466M
IB Interactive Brokers Group In 0.6% Added 19% 4,807,214 $418M
Vertiv Holdings Co 0.5% Trimmed 17% 979,821 $328M
TS Taiwan Semiconductor Manufac 0.5% Added 4.9% 667,698 $319M
Amphenol Corp 0.4% Trimmed 3.7% 1,598,059 $282M
Welltower Inc 0.4% Trimmed 8.4% 1,232,060 $280M
Samsara Inc 0.4% Added 54% 7,881,752 $256M
Airbnb Inc 0.4% Added 22% 1,758,065 $252M
Siteone Landscape Supply Inc 0.3% Trimmed 1.5% 2,028,799 $232M
Forgent Power Solutions Inc 0.3% Trimmed 13% 4,072,575 $227M
QS Quanta Svcs Inc 0.3% Trimmed 3.1% 315,789 $227M
Equinix Inc 0.3% Trimmed 20% 195,637 $204M
Loar Holdings Inc 0.3% Added 6.6% 2,523,332 $203M
Alphabet Inc 0.3% Added 43% 546,232 $195M
Broadcom Inc 0.3% Trimmed 1.7% 514,536 $194M
Alphabet Inc 0.3% Added 290% 541,579 $191M
Primerica Inc 0.3% Trimmed 22% 671,453 $191M
Mettler Toledo International 0.3% Added 3.6% 138,464 $177M
Las Vegas Sands Corp 0.3% Added 209% 3,784,278 $175M
EL Eli Lilly & Co 0.3% Added 65% 140,540 $169M
Toll Brothers Inc 0.2% Added 8.3% 1,009,102 $166M
BD Blackstone Digital Infrastru 0.2% New 7,620,555 $165M
Enpro Inc 0.2% Added 2.0% 399,482 $151M
HN Heico Corp New 0.2% Added 34% 562,662 $145M
Moderna Inc 0.2% New 1,989,386 $139M
Novanta Inc 0.2% Trimmed 7.1% 850,494 $138M
Datadog Inc 0.2% Trimmed 13% 508,356 $132M
Cbre Group Inc 0.2% Trimmed 8.9% 978,961 $132M
Meta Platforms Inc 0.2% Trimmed 9.1% 233,313 $131M
Liberty Live Holdings Inc 0.2% Trimmed 19% 1,240,273 $131M
GH Gds Hldgs Ltd 0.2% Trimmed 7.7% 4,245,033 $127M
Argenx Se 0.2% Trimmed 1.4% 136,654 $127M
Macerich Co 0.2% Added 22% 4,999,756 $126M
Houlihan Lokey Inc 0.2% Trimmed 18% 869,544 $117M
Cloudflare Inc 0.2% Added 3.1% 471,598 $116M
Meritage Homes Corp 0.2% New 1,341,653 $112M
Prologis Inc. 0.2% Trimmed 26% 790,347 $107M

Showing top 60 of 345 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 8 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 14, 2026

Company Action Shares changed Value of change % of portfolio
SE Space Exploration Techn Corp New +145,775,147 +$24.9B 37.4%
Shopify Inc Added +6,437,316 +$735M 1.9%
Spotify Technology S A Added +1,113,589 +$511M 1.7%
Morningstar Inc Added +2,739,631 +$427M 0.8%
Verisk Analytics Inc Added +2,190,629 +$393M 1.3%
SC Schwab Charles Corp Added +4,191,378 +$387M 1.6%
Guidewire Software Inc Added +2,397,003 +$295M 1.7%
Msci Inc Added +512,364 +$287M 2.7%
OH On Hldg Ag Added +7,215,165 +$256M 0.9%
Tesla Inc Added +591,243 +$249M 7.9%

Showing the 10 largest of 360 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 15, 2026

Company Action Shares changed Value of change % of portfolio
Shopify Inc Added +2,429,960 +$288M 1.7%
Gartner Inc Added +1,704,659 +$270M 2.8%
Verisk Analytics Inc Added +1,209,365 +$229M 1.4%
Guidewire Software Inc Added +1,449,903 +$217M 3.0%
FR Factset Resh Sys Inc Added +867,742 +$188M 2.5%
CA Clearwater Analytics Hldgs I Trimmed −7,661,583 −$181M —
Spotify Technology S A Added +322,234 +$156M 1.9%
OH On Hldg Ag Added +4,309,119 +$147M 1.0%
Forgent Power Solutions Inc New +4,674,583 +$137M 0.4%
Costar Group Inc Trimmed −3,183,924 −$128M 2.0%

Showing the 10 largest of 333 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 17, 2026

Company Action Shares changed Value of change % of portfolio
FR Factset Resh Sys Inc Added +1,069,786 +$310M 2.3%
Msci Inc Added +361,630 +$207M 4.3%
CH Choice Hotels Intl Inc Added +2,026,679 +$193M 1.9%
G& Gaming & Leisure Pptys Inc Trimmed −3,285,200 −$147M 0.2%
LM Liberty Media Corp Del Exited −1,458,910 −$141M —
Liberty Live Holdings Inc New +1,613,666 +$134M 0.4%
Exact Sciences Corp Trimmed −1,184,503 −$120M 0.3%
Vail Resorts Inc Trimmed −892,764 −$119M 1.7%
Cohen & Steers Inc Trimmed −1,563,311 −$98.1M —
Mettler Toledo International Trimmed −65,018 −$90.6M 0.6%

Showing the 10 largest of 314 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 14, 2025

Company Action Shares changed Value of change % of portfolio
Tesla Inc Trimmed −1,071,184 −$476M 14.1%
KD Kratos Defense & Sec Solutio Trimmed −2,151,380 −$197M 0.5%
Gartner Inc Added +669,352 +$176M 3.0%
CI Chart Inds Inc Exited −885,306 −$146M —
Iridium Communications Inc Trimmed −7,694,981 −$134M —
Dayforce Inc Trimmed −1,907,428 −$131M 0.1%
Msci Inc Added +223,784 +$127M 3.6%
FR Factset Resh Sys Inc Trimmed −412,857 −$118M 1.4%
Cyberark Software Ltd Trimmed −221,322 −$107M —
G& Gaming & Leisure Pptys Inc Trimmed −2,221,809 −$104M 0.6%

Showing the 10 largest of 300 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 14, 2025

Company Action Shares changed Value of change % of portfolio
Tesla Inc Trimmed −1,194,335 −$379M 11.2%
Ansys Inc Trimmed −657,758 −$231M 0.2%
IB Interactive Brokers Group In Added +3,284,457 +$182M 0.6%
Toll Brothers Inc Added +611,523 +$69.8M 0.4%
AG Alibaba Group Hldg Ltd Trimmed −574,800 −$65.2M 0.3%
Samsara Inc Added +1,632,626 +$64.9M 0.3%
Cloudflare Inc Trimmed −328,409 −$64.3M 0.3%
Apple Inc Trimmed −308,395 −$63.3M —
Msci Inc Added +98,680 +$56.9M 3.4%
Costar Group Inc Added +647,413 +$52.1M 4.3%

Showing the 10 largest of 294 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 15, 2025

Company Action Shares changed Value of change % of portfolio
Ansys Inc Trimmed −563,914 −$179M 0.8%
American Tower Corp New +699,676 +$152M 0.4%
Figs Inc Added +27,833,825 +$128M 0.8%
Equinix Inc Trimmed −152,299 −$124M 0.3%
Tesla Inc Trimmed −365,676 −$94.8M 10.8%
GH Gds Hldgs Ltd Trimmed −3,605,821 −$91.3M 0.2%
Prologis Inc. New +792,536 +$88.6M 0.3%
KH Karman Hldgs Inc New +2,400,648 +$80.2M 0.2%
Microsoft Corp Trimmed −212,226 −$79.7M 0.4%
Douglas Emmett Inc Trimmed −4,264,793 −$68.2M 0.1%

Showing the 10 largest of 297 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 14, 2025

Company Action Shares changed Value of change % of portfolio
Tesla Inc Trimmed −349,720 −$141M 15.2%
Vertiv Holdings Co Trimmed −800,000 −$90.9M 0.8%
Expedia Group Inc New +430,454 +$80.2M 0.2%
AE Altair Engr Inc Trimmed −720,342 −$78.6M 0.2%
RI Rexford Indl Rlty Inc Exited −1,526,016 −$76.8M —
Servicetitan Inc New +684,222 +$70.4M 0.2%
Ansys Inc Trimmed −196,038 −$66.1M 1.2%
CE Caesars Entertainment Inc Ne Exited −1,482,755 −$61.9M —
Macerich Co Added +2,980,051 +$59.4M 0.2%
Axon Enterprise Inc Trimmed −99,491 −$59.1M 0.2%

Showing the 10 largest of 292 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 14, 2024

Company Action Shares changed Value of change % of portfolio
Tesla Inc Trimmed −587,907 −$154M 10.4%
WP West Pharmaceutical Svsc Inc Trimmed −279,326 −$83.8M 0.4%
Gartner Inc Trimmed −161,535 −$81.9M 5.4%
American Tower Corp Trimmed −349,770 −$81.3M 0.1%
Broadcom Inc Added +465,030 +$80.2M 0.2%
FR Factset Resh Sys Inc Trimmed −174,443 −$80.2M 3.0%
VR Vornado Rlty Tr New +1,912,359 +$75.3M 0.2%
Pdd Holdings Inc Trimmed −520,740 −$70.2M 0.1%
GH Gds Hldgs Ltd Added +3,397,592 +$69.3M 0.3%
CE Caesars Entertainment Inc Ne New +1,482,755 +$61.9M 0.2%

Showing the 10 largest of 284 changes.

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