Login
Super Investors OSTRUM ASSET MANAGEMENT
OA

OSTRUM ASSET MANAGEMENT

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

Portfolio value
$2.08B
Positions
549
Quarter ended
June 30, 2026
Filed
August 13, 2026

Reported portfolio value by quarter (22 quarters reported)

$2.23B $145M
Q4 18 Q1 20 Q3 23 Q4 24 Q1 26 Q2 26

$255M in Q4 2018 → $2.08B 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
AM Applied Matls Inc 6.4% Trimmed 14% 183,314 $133M
Nvidia Corporation 6.3% Added 0.3% 648,296 $130M
Alphabet Inc 4.4% Trimmed 1.1% 253,688 $90.7M
EL Eli Lilly & Co 4.2% Trimmed 2.3% 72,402 $86.8M
Apple Inc 4.2% Added 3.3% 298,092 $86.3M
Amazon Com Inc 3.1% Added 1.2% 268,144 $63.9M
Cummins Inc 2.4% Trimmed 0.9% 69,463 $49.5M
GA Ge Aerospace 2.2% Trimmed 7.2% 120,951 $45.2M
Eaton Corp PLC 2.1% Added 2.2% 100,903 $43M
Jpmorgan Chase & Co 2.0% Added 0.3% 126,799 $41.5M
Visa Inc 2.0% Added 0.0% 120,532 $41.4M
United Rentals Inc 1.9% Trimmed 2.9% 34,152 $38.7M
MP Monolithic Pwr Sys Inc 1.9% Added 35% 27,940 $38.6M
Nucor Corp 1.8% Trimmed 0.0% 168,438 $37.5M
SC Schwab Charles Corp 1.7% Added 4.4% 372,338 $34.4M
Exelon Corp 1.5% Added 461% 676,350 $31.5M
Parker-hannifin Corp 1.5% Added 1505% 32,130 $31.4M
VM Vulcan Matls Co 1.5% Added 1.6% 103,861 $30.6M
Microsoft Corp 1.5% Added 5.5% 81,393 $30.4M
Ross Stores Inc 1.4% Added 3.3% 139,634 $29.7M
Illumina Inc 1.4% Trimmed 27% 168,555 $29.6M
Synopsys Inc 1.4% Trimmed 3.7% 63,790 $28.5M
Meta Platforms Inc 1.3% Added 2.8% 49,120 $27.7M
BH Berkshire Hathaway Inc Del 1.3% Trimmed 1.8% 55,291 $27.7M
Shopify Inc 1.2% Trimmed 16% 215,685 $24.6M
Qnity Electronics Inc 1.2% Added 8184% 147,291 $24.1M
Broadcom Inc 0.8% Added 3.2% 43,075 $16.3M
Alphabet Inc 0.7% Trimmed 3.2% 43,660 $15.4M
Johnson & Johnson 0.7% Added 0.9% 55,737 $14.2M
Tesla Inc 0.5% Added 56% 25,078 $10.5M
CS Cisco Sys Inc 0.5% Trimmed 4.5% 89,747 $10.5M
CE Coca-cola Europacific Partne 0.5% Added 5.6% 98,839 $9.89M
Advanced Micro Devices Inc 0.5% Added 2.9% 16,826 $9.77M
Micron Technology Inc 0.5% Trimmed 6.3% 8,308 $9.59M
Coca Cola Co 0.4% Added 3.6% 114,646 $9.32M
M Mcdonalds Corp 0.4% Added 7.1% 33,334 $9.01M
Kosmos Energy Ltd 0.4% Unchanged 4,008,525 $8.46M
WM Waste Mgmt Inc Del 0.4% Added 5.1% 35,393 $7.89M
Palo Alto Networks Inc 0.4% Trimmed 23% 22,527 $7.68M
Abbvie Inc 0.4% Added 1.1% 30,320 $7.63M
Ametek Inc 0.3% Added 5.0% 29,310 $7.09M
Lam Research Corp 0.3% Trimmed 12% 15,698 $6.8M
Procter & Gamble Co 0.3% Trimmed 9.5% 45,382 $6.65M
Cencora Inc 0.3% Added 18% 22,893 $6.48M
Hubbell Inc 0.3% Added 13% 12,355 $6.46M
Mastercard Incorporated 0.3% Added 45% 12,236 $6.28M
Kla Corp 0.3% Added 834% 19,775 $5.97M
General Mills Inc 0.3% Added 24% 167,749 $5.84M
MI Mondelez Intl Inc 0.3% Added 4.7% 99,455 $5.75M
Mckesson Corp 0.3% Added 10% 7,577 $5.73M
NG Nebius Group N.v. 0.3% Added 48% 20,662 $5.71M
Royalty Pharma PLC 0.3% Trimmed 2.4% 99,352 $5.57M
Jabil Inc 0.3% Added 35% 14,172 $5.46M
Marvell Technology Inc 0.3% Trimmed 40% 18,219 $5.43M
Welltower Inc 0.3% Trimmed 6.5% 23,782 $5.4M
Ventas Inc 0.3% Added 1.2% 60,382 $5.36M
Howmet Aerospace Inc 0.3% Added 7.7% 19,904 $5.35M
Home Depot Inc 0.2% Added 21% 14,403 $5.08M
Medtronic PLC 0.2% Added 5.8% 61,875 $4.84M
Exxon Mobil Corp 0.2% Added 2.6% 35,371 $4.84M

Showing top 60 of 549 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 13, 2026

Company Action Shares changed Value of change % of portfolio
Parker-hannifin Corp Added +30,128 +$29.5M 1.5%
HI Honeywell Intl Inc Exited −130,267 −$29.4M —
LE Lincoln Elec Hldgs Inc Exited −104,210 −$26M —
Exelon Corp Added +555,892 +$25.9M 1.5%
IT Ishares Tr Exited −520,000 −$23.9M —
Qnity Electronics Inc Added +145,513 +$23.8M 1.2%
AM Applied Matls Inc Trimmed −29,151 −$21.1M 6.4%
IE Intercontinental Exchange In Trimmed −127,979 −$15.8M 0.1%
Illumina Inc Trimmed −61,715 −$10.9M 1.4%
MP Monolithic Pwr Sys Inc Added +7,184 +$9.93M 1.9%

Showing the 10 largest of 420 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 14, 2026

Company Action Shares changed Value of change % of portfolio
Broadcom Inc Trimmed −214,340 −$66.3M 0.7%
Microsoft Corp Trimmed −123,426 −$45.7M 1.6%
Cummins Inc Added +66,627 +$35.8M 2.1%
OA Oreilly Automotive Inc Trimmed −336,616 −$31.1M 0.2%
SC Schwab Charles Corp Added +327,264 +$30.8M 1.9%
Shopify Inc New +255,680 +$30.3M 1.7%
MP Monolithic Pwr Sys Inc Trimmed −26,126 −$28.6M 1.3%
HI Honeywell Intl Inc Added +125,969 +$28.5M 1.7%
Illumina Inc Added +228,862 +$28.2M 1.6%
Ross Stores Inc Added +129,388 +$28M 1.6%

Showing the 10 largest of 585 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 13, 2026

Company Action Shares changed Value of change % of portfolio
AM Applied Matls Inc Added +170,548 +$43.8M 2.3%
Apple Inc Added +130,692 +$35.5M 3.4%
Spotify Technology S A Trimmed −51,703 −$30M 0.1%
IT Ishares Tr New +520,000 +$28.1M 1.4%
Sherwin Williams Co Trimmed −68,532 −$22.2M 0.1%
Motorola Solutions Inc Trimmed −55,644 −$21.3M 0.2%
Synopsys Inc Added +43,624 +$20.5M 1.1%
Nucor Corp Added +123,237 +$20.1M 1.0%
MI Mondelez Intl Inc Trimmed −325,003 −$17.5M 0.2%
Servicenow Inc Added +112,618 +$17.3M 1.0%

Showing the 10 largest of 590 changes.

Q3 2025

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

Company Action Shares changed Value of change % of portfolio
EL Eli Lilly & Co Added +55,579 +$42.4M 2.4%
Zoetis Inc Trimmed −196,678 −$28.8M 0.1%
VM Vulcan Matls Co Added +89,554 +$27.5M 1.4%
Microsoft Corp Trimmed −34,876 −$18.1M 5.0%
BH Berkshire Hathaway Inc Del Trimmed −31,023 −$15.6M 1.3%
Servicenow Inc Trimmed −13,184 −$12.1M 1.1%
Sherwin Williams Co Trimmed −30,514 −$10.6M 1.1%
T Topbuild Corp Trimmed −20,235 −$7.91M 0.9%
United Rentals Inc Added +7,904 +$7.55M 2.1%
CO Capital One Finl Corp Added +31,044 +$6.6M 1.7%

Showing the 10 largest of 581 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 13, 2025

Company Action Shares changed Value of change % of portfolio
Spotify Technology S A Added +53,480 +$41M 2.2%
OA Oreilly Automotive Inc Added +361,643 +$32.6M 1.7%
CO Capital One Finl Corp Added +147,164 +$31.3M 1.5%
Eaton Corp PLC Added +85,298 +$30.5M 1.5%
United Rentals Inc Added +39,606 +$29.8M 1.5%
BD Becton Dickinson & Co Trimmed −156,697 −$27M 0.1%
GA Ge Aerospace Added +101,139 +$26M 1.4%
IE Intercontinental Exchange In Trimmed −121,836 −$22.4M 1.5%
Saia Inc Exited −62,780 −$21.9M —
MI Mondelez Intl Inc Trimmed −251,969 −$17M 1.0%

Showing the 10 largest of 645 changes.

Q1 2025

quarter ended March 31, 2025 · filed May 14, 2025

Company Action Shares changed Value of change % of portfolio
Microsoft Corp Added +166,957 +$62.7M 4.9%
Amazon Com Inc Added +297,656 +$56.6M 4.0%
IE Intercontinental Exchange In Added +268,468 +$46.3M 2.7%
BH Berkshire Hathaway Inc Del Added +81,385 +$43.3M 2.6%
Nvidia Corporation Added +382,276 +$41.4M 3.5%
Meta Platforms Inc Added +70,189 +$40.5M 2.4%
Alphabet Inc Added +257,918 +$39.9M 2.7%
Broadcom Inc Added +231,866 +$38.8M 2.5%
OA Oreilly Automotive Inc Added +26,715 +$38.3M 2.3%
Jpmorgan Chase & Co. Added +154,120 +$37.8M 2.3%

Showing the 10 largest of 664 changes.

Q4 2024

quarter ended December 31, 2024 · filed February 13, 2025

Company Action Shares changed Value of change % of portfolio
Meta Platforms Inc Trimmed −9,508 −$5.57M 0.5%
Tesla Inc Added +10,403 +$4.2M 0.7%
Arista Networks Inc New +36,970 +$4.09M 0.4%
Incyte Corp Trimmed −55,773 −$3.85M 0.1%
Lam Research Corp New +48,970 +$3.54M 0.3%
Bristol-myers Squibb Co Trimmed −59,655 −$3.37M 0.3%
SS SPDR S&P 500 ETF Tr Trimmed −5,500 −$3.22M 1.1%
TI Take-two Interactive Softwar Trimmed −17,150 −$3.16M 0.6%
IT Ishares Tr New +74,900 +$3.15M 0.3%
Baker Hughes Company Trimmed −73,267 −$3.01M 0.5%

Showing the 10 largest of 640 changes.

Q3 2024

quarter ended September 30, 2024 · filed November 13, 2024

Company Action Shares changed Value of change % of portfolio
Broadcom Inc Added +45,521 +$7.85M 0.7%
Labcorp Holdings Inc Trimmed −15,803 −$3.53M 0.2%
UT United Therapeutics Corp Del Trimmed −8,339 −$2.99M 0.1%
Thermo Fisher Scientific Inc Trimmed −4,254 −$2.63M 0.4%
TI Take-two Interactive Softwar Added +16,708 +$2.57M 0.7%
OA Oreilly Automotive Inc Added +2,175 +$2.5M 0.4%
Nvidia Corporation Trimmed −20,225 −$2.46M 2.3%
BI Baxter Intl Inc Added +61,830 +$2.35M 0.3%
Exxon Mobil Corp Trimmed −17,604 −$2.06M 0.2%
Constellation Brands Inc Added +7,876 +$2.03M 0.5%

Showing the 10 largest of 646 changes.

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Premium Feature

This feature requires a premium subscription to unlock unlimited historical data and advanced analysis tools.

Premium includes:

  • Unlimited historical financial data
  • Advanced analytics and insights
  • Priority support