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OSTRUM ASSET MANAGEMENT

Institutional InvestorSimilar funds →SEC EDGAR: CIK 1767945
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Sector Allocation

  • Technology39.4%$817.5M
  • Industrials14.2%$294.1M
  • Financials11.8%$245.4M
  • Healthcare10.0%$207.5M
  • Consumer Discretionary8.1%$168.6M
  • Materials4.7%$96.7M
  • Consumer Staples4.2%$87.6M
  • Utilities3.0%$62.1M
  • Real Estate1.8%$37.1M
  • Energy1.7%$36.2M

AUM History

13fpro.ai/research/fund/ostrum-asset-management-1767945

Conviction and streaks

Concentrating · top 10 = 37.1%

From the fund's last 12 quarters of 13F filings: positions held longest at size, and names it added to or trimmed several quarters running.

Largest positions — Q2 2026

Top 20 stock positions. Options are left out: 13F reports them at the underlying's value.

13fpro.ai/research/fund/ostrum-asset-management-1767945

OSTRUM ASSET MANAGEMENT 13F holdings — Q2 2026

$2.1B portfolio (+16.5% QoQ) · 549 holdings · Q2 2026 13F · top 10 are 37% of the stock portfolio

All holdings — OSTRUM ASSET MANAGEMENT (Q2 2026)

549 disclosed positions from the Form 13F-HR on SEC EDGAR, with quarter-over-quarter share changes. Largest by value first; the ten above are not repeated.

Company
V$VVISA INC.$41.4M+0.0%
URI$URIUNITED RENTALS, INC.$38.7M-3%
MPWR$MPWRMONOLITHIC POWER SYSTEMS, INC.$38.6M+35%
NUE$NUENUCOR CORP$37.5M-0.0%
SCHW$SCHWSCHWAB CHARLES CORP$34.4M+4%
EXC$EXCEXELON CORP$31.5M+461%
PH$PHParker-Hannifin Corp$31.4M+1505%
VMC$VMCVulcan Materials CO$30.6M+2%
MSFT$MSFTMICROSOFT CORP$30.4M+5%
ROST$ROSTROSS STORES, INC.$29.7M+3%
ILMN$ILMNILLUMINA, INC.$29.6M-27%
SNPS$SNPSSYNOPSYS INC$28.5M-4%
META$METAMeta Platforms, Inc.$27.7M+3%
BRK.B$BRK.BBERKSHIRE HATHAWAY INC$27.7M-2%
SHOP$SHOPSHOPIFY INC.$24.6M-16%

What changed in Q2 2026

Against the previous quarter's 13F: 14 new, 235 added to, 141 trimmed, 27 sold out. Share-count changes; largest moves by dollar size first.

New positions (14)

  • MOG-A$MOG-AMOOG INC.$1.5M

    first bought this quarter

  • RRX$RRXREGAL REXNORD CORP$1.3M

    first bought this quarter

  • ATI$ATIATI INC$1.2M

    first bought this quarter

  • GNRC$GNRCGENERAC HOLDINGS INC.$940K

    first bought this quarter

  • FDXF$FDXFFedEx Freight Holding Company, Inc.$807K

    first bought this quarter

  • VICR$VICRVICOR CORP$632K

    first bought this quarter

+8 more in the Excel export

Added to (235)

  • PH$PHParker-Hannifin Corp+1505%

    now $31.4M

  • EXC$EXCEXELON CORP+461%

    now $31.5M

  • Q$QQnity Electronics, Inc.+8184%

    now $24.1M

  • MPWR$MPWRMONOLITHIC POWER SYSTEMS, INC.+35%

    now $38.6M

  • KLAC$KLACKLA CORP+834%

    now $6.0M

  • TSLA$TSLATesla, Inc.+56%

    now $10.5M

+229 more in the Excel export

Trimmed (141)

  • HON$HONHONEYWELL INTERNATIONAL INC-99%

    now $282K

  • AMAT$AMATAPPLIED MATERIALS INC /DE-14%

    now $132.5M

  • ICE$ICEIntercontinental Exchange, Inc.-90%

    now $1.7M

  • ILMN$ILMNILLUMINA, INC.-27%

    now $29.6M

  • SHOP$SHOPSHOPIFY INC.-16%

    now $24.6M

  • MRVL$MRVLMarvell Technology, Inc.-40%

    now $5.4M

+135 more in the Excel export

Sold out (27)

  • LECO$LECOLINCOLN ELECTRIC HOLDINGS INCwas $26.0M

    held 5 qtrs

  • ISHARES TRwas $23.9M
  • WTRG$WTRGEssential Utilities, Inc.was $2.3M

    held 9+ qtrs

  • HLIO$HLIOHELIOS TECHNOLOGIES, INC.was $1.2M

    held 5 qtrs

  • EQH$EQHEquitable Holdings, Inc.was $1.1M
  • JKHY$JKHYJACK HENRY & ASSOCIATES INCwas $810K

+21 more in the Excel export

Holdings by quarter

Every 13F OSTRUM ASSET MANAGEMENT has filed, 21 earlier quarters. Pick one to see what it held then.

Email me the moment this fund files its next 13FPro

Portfolio Overview

OSTRUM ASSET MANAGEMENT disclosed 549 positions worth $2.1B in its Form 13F-HR for Q2 2026, led by $AMAT (APPLIED MATERIALS INC /DE) at 6.4% of the equity portfolio, followed by $NVDA and $GOOGL. During the quarter the fund opened 14 new positions and exited 27 — including a new stake in $MOG-A and a full exit from $LECO. The portfolio is most concentrated in Technology (39.4% of disclosed assets). All figures are sourced directly from OSTRUM ASSET MANAGEMENT’s Form 13F-HR filing with the SEC under CIK 1767945.

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AI-Powered Hedge Fund Analysis: OSTRUM ASSET MANAGEMENT

13F Pro is an AI hedge fund tracker and stock research platform. For OSTRUM ASSET MANAGEMENT (SEC CIK: 1767945), the platform ingests every quarterly Form 13F filing and applies AI-powered analysis on top — 10 specialized AI analysts (value, growth, momentum, macro, activist, and more) debate the fund's top positions and publish AI-generated analysis with cited SEC sources.

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