Stocks/Funds/CIK 1767945

OSTRUM ASSET MANAGEMENT

index-like (500+ pos)long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1767945
Assets
$1.78B
-6.2% YoY
Holdings
562
Lifetime alpha vs market
-4.88% annual
Average hold time
3.0 yr
median 3.3 yr

Quarterly history

Cum return +42% vs S&P +65% · α -23% lifetimeAUM $1.8B · peak $2.2BFlow $-217M (-10%)2018-122019-092020-062023-092024-062025-032025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-8.07%
trims when stocks drop
when a holding falls −10%+
Middle response
-5.52%
baseline attrition
Rally response
-8.62%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
NVDANVIDIA Corporation$113M6.3%+60.9%5.0 yr
GOOGLAlphabet Inc.$74M4.1%5.0 yr
AAPLApple Inc.$73M4.1%+14.7%5.0 yr
AMATApplied Materials, Inc.$73M4.1%+137.6%3.3 yr
LLYEli Lilly and Company$68M3.8%+12.2%3.3 yr
AMZNAmazon.com, Inc.$55M3.1%+9.5%5.0 yr
CMICummins Inc.$38M2.1%+74.8%3.3 yr
JPMJPMorgan Chase & Co.$37M2.1%+21.8%3.3 yr
GEGE Aerospace$37M2.1%+42.5%3.3 yr
VVisa Inc.$36M2.0%-13.1%5.0 yr
ETNEaton Corporation plc$35M2.0%+33.2%3.3 yr
SCHWThe Charles Schwab Corpo$34M1.9%+21.5%3.3 yr
SHOPShopify Inc.$30M1.7%+24.2%0.3 yr
HONHoneywell International $29M1.7%+9.0%3.3 yr
ROSTRoss Stores, Inc.$29M1.6%+71.2%3.3 yr

Portfolio composition (YoY)

Industry mix
Semiconductors13.7%+4.8pp$244M
Internet Content & Information6.6%+0.7pp$118M
Drug Manufacturers - General5.6%+0.6pp$100M
Industrial - Machinery4.9%+3.1pp$87M
Consumer Electronics4.1%+2.5pp$73M
Software - Infrastructure4.0%-2.6pp$71M
Specialty Retail3.7%-3.4pp$66M
Aerospace & Defense2.9%+2.1pp$52M
Software - Application2.8%-0.5pp$49M
Financial - Credit Services2.7%+1.1pp$47M
Country
US92.8%-3.9pp
IE3.3%+2.1pp
CA1.9%+1.7pp
GB1.0%+0.2pp
Unknown0.4%-0.1pp
CH0.2%-0.1pp
SG0.1%+0.1pp
BM0.1%-0.1pp
Top 5: 22.5% · Top 10: 33.9% · Top 25: 57.9%

Winners

TickerPrev $PnLYoY %
AVGO$48M+0.04B86.0%
NVDA$66M+0.04B60.9%
MPWR$27M+0.02B89.6%
JPM$43M+0.01B21.8%
GOOG$10M+0.01B84.3%

Losers

TickerPrev $PnLYoY %
ICE$51M-0.00B-7.8%
V$13M-0.00B-13.1%
MSFT$92M-0.00B-0.6%
META$46M-0.00B-0.4%
SNPS$2M-0.00B-7.5%

Top buys this quarter · 15

CMI Cummins Inc.+$36M
SCHW The Charles Schwab Corporation+$31M
SHOP Shopify Inc.new+$30M
HON Honeywell International Inc.+$28M
ILMN Illumina, Inc.+$28M
ROST Ross Stores, Inc.+$28M
LECO Lincoln Electric Holdings, Inc+$24M
V Visa Inc.+$24M
NVDA NVIDIA Corporation+$12M
AMAT Applied Materials, Inc.+$8M

Top sells this quarter · 15

AVGO Broadcom Inc.$66M
MSFT Microsoft Corporation$46M
ORLY O'Reilly Automotive, Inc.$31M
MPWR Monolithic Power Systems, Inc.$29M
AMZN Amazon.com, Inc.$27M
DIS The Walt Disney Company$23M
COF Capital One Financial Corporat$21M
META Meta Platforms, Inc.$19M
XYL Xylem Inc.$17M
BLD TopBuild Corp.exit$16M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$1.78B562+12.64%+17.59%-4.95%-0.22B
2025-12-31$2.08B572+16.16%+17.72%-1.55%-0.15B
2025-09-30$2.23B570+14.32%+17.52%-3.20%-0.04B
2025-06-30$2.13B571+16.52%+14.94%+1.58%+0.04B
2025-03-31$1.90B642+5.37%+8.30%-2.93%+0.76B
2024-12-31$1.15B627+13.78%+24.89%-11.10%-0.04B
2024-09-30$1.21B635+27.80%+36.04%-8.24%-0.03B
2024-06-30$1.15B644+13.84%+24.49%-10.65%-0.11B
2024-03-31$1.27B654+19.69%+29.62%-9.93%+0.04B
2023-12-31$1.15B659+11.11%+11.64%-0.53%-0.05B
2023-09-30$1.08B680-3.72%-3.22%-0.50%-0.07B
2023-06-30$1.19B672+4.81%+8.68%-3.87%-0.01B
2023-03-31$1.15B671+1.00B
2020-06-30$145M31+0.02B
2020-03-31$127M33-0.05B
2019-12-31$179M37+0.01B