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River Street Advisors LLC — 13F Holdings & Portfolio

CIK 1964897 · latest 13F-HR filed 2026-07-21

Backtest portfolio

River Street Advisors LLC manages $339.5M in 13F-reported U.S. long-equity assets across 255 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are MFSI (6.78%), OSBC (5.35%), IJH (5.08%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 17 new positions, exited 12, added to 99, and trimmed 26.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Filer Information
Address
37 SOUTH RIVER STREET
AURORA, IL 60506
Phone
(630) 906-5501
Filing Manager
River Street Advisors LLC
AURORA, IL
Signatory
Richard A Gartelmann Jr
Chief Executive Officer
Loading holdings…
AUM

$339.5M

Long-equity book

Holdings

255

Distinct positions

Period

2026-06-30

Filed 2026-07-21

Q/Q Activity

+17 / −12 / ↑99 / ↓26

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • OLD SECOND BANCORP INC DEL$3.1M +20.7%
  • KLA CORP$3.1M +99.8%
  • CATERPILLAR INC$2.8M +48.0%
  • MFS ACTIVE EXCHANGE TRADED F$2.4M +11.3%
  • ISHARES TR$2.3M +15.2%
Show all 99 →

Top Trims

  • NORTHROP GRUMMAN CORP-$577.6K -22.8%
  • ZOETIS INC-$516.0K -37.3%
  • VANGUARD SCOTTSDALE FDS-$420.4K -63.7%
  • NETFLIX INC.-$346.0K -23.6%
  • PEPSICO INC-$270.8K -9.7%
Show all 26 →

New Positions

  • VANGUARD INTL EQUITY INDEX F$6.3M
  • BLACKSTONE SECD LENDING FD$1.3M
  • ARES CAPITAL CORP$1.1M
  • HONEYWELL INTL INC$740.9K
  • HONEYWELL AEROSPACE INC$718.7K
Show all 17 →

Exited Positions

  • FRANKLIN TEMPLETON ETF TR$6.1M
  • HONEYWELL INTL INC$1.5M
  • ENBRIDGE INC$1.3M
  • APTIV PLC$588.9K
  • HERSHEY CO$338.9K
Show all 12 →
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 MFS ACTIVE EXCHANGE TRADED F MFSI 55286W405 $23.0M 6.78% 708,790 SH
2 OLD SECOND BANCORP INC DEL OSBC 680277100 $18.2M 5.35% 778,658 SH
3 ISHARES TR IJH 464287507 $17.2M 5.08% 223,494 SH
4 NVIDIA CORPORATION NVDA 67066G104 $11.8M 3.47% 58,879 SH
5 SPDR SERIES TRUST SPYM 78464A854 $10.4M 3.05% 117,948 SH
6 APPLE INC AAPL 037833100 $8.9M 2.62% 30,773 SH
7 CATERPILLAR INC CAT 149123101 $8.7M 2.55% 8,133 SH
8 BROADCOM INC AVGO 11135F101 $8.4M 2.46% 22,150 SH
9 VANGUARD TAX-MANAGED FDS VEA 921943858 $8.0M 2.35% 111,757 SH
10 ALPHABET INC GOOGL 02079K305 $7.9M 2.34% 22,244 SH
11 JPMORGAN CHASE & CO JPM 46625H100 $7.4M 2.19% 22,666 SH
12 INVESCO EXCH TRD SLF IDX FD BSCR 46138J783 $6.7M 1.97% 341,226 SH
13 MICROSOFT CORP MSFT 594918104 $6.6M 1.94% 17,682 SH
14 VANGUARD INTL EQUITY INDEX F VWO 922042858 $6.3M 1.84% 104,764 SH
15 KLA CORP KLAC 482480100 $6.1M 1.80% 20,236 SH
16 ELI LILLY & CO LLY 532457108 $5.3M 1.56% 4,428 SH
17 CUMMINS INC CMI 231021106 $4.9M 1.43% 6,805 SH
18 MORGAN STANLEY MS 617446448 $4.8M 1.40% 22,742 SH
19 CORNING INC GLW 219350105 $4.7M 1.39% 18,470 SH
20 VANGUARD INTL EQUITY INDEX F VT 922042742 $4.4M 1.31% 28,317 SH
21 AMAZON COM INC AMZN 023135106 $4.4M 1.29% 18,358 SH
22 INVESCO EXCH TRD SLF IDX FD BSCS 46138J643 $3.8M 1.13% 187,755 SH
23 INVESCO EXCH TRD SLF IDX FD BSJR 46138J585 $3.7M 1.10% 167,247 SH
24 JOHNSON & JOHNSON JNJ 478160104 $3.4M 0.99% 13,223 SH
25 ABBVIE INC ABBV 00287Y109 $3.3M 0.98% 13,288 SH
26 VALERO ENERGY CORP VLO 91913Y100 $3.2M 0.94% 12,275 SH
27 BLACKROCK INC BLK 09290D101 $3.1M 0.91% 3,223 SH
28 CHEVRON CORPORATION CVX 166764100 $3.0M 0.88% 17,951 SH
29 BLACKSTONE INC BX 09260D107 $2.9M 0.86% 24,883 SH
30 T ROWE PRICE EXCHANGE-TRADED TFLR 87283Q883 $2.9M 0.85% 57,246 SH
31 INVESCO QQQ TR QQQ 46090E103 $2.9M 0.85% 3,905 SH
32 STATE STR SPDR S&P 500 ETF T SPY 78462F103 $2.6M 0.78% 3,533 SH
33 PULTE GROUP INC PHM 745867101 $2.6M 0.76% 18,695 SH
34 PEPSICO INC PEP 713448108 $2.5M 0.74% 18,604 SH
35 EATON CORP PLC ETN G29183103 $2.4M 0.72% 5,735 SH
36 SPDR SERIES TRUST SPYV 78464A508 $2.4M 0.71% 39,387 SH
37 EOG RES INC EOG 26875P101 $2.3M 0.68% 17,853 SH
38 VANGUARD INTL EQUITY INDEX F VGK 922042874 $2.2M 0.65% 24,906 SH
39 NEXTERA ENERGY INC NEE 65339F101 $2.2M 0.64% 24,924 SH
40 CAPITAL ONE FINL CORP COF 14040H105 $2.1M 0.61% 10,248 SH
41 VIKING HOLDINGS LTD VIK G93A5A101 $2.0M 0.59% 19,030 SH
42 NORTHROP GRUMMAN CORP NOC 666807102 $1.9M 0.57% 3,822 SH
43 METLIFE INC MET 59156R108 $1.9M 0.57% 22,910 SH
44 SOFI TECHNOLOGIES INC SOFI 83406F102 $1.9M 0.57% 107,677 SH
45 ISHARES TR IVV 464287200 $1.9M 0.57% 2,576 SH
46 SPDR SERIES TRUST SPYG 78464A409 $1.9M 0.55% 15,655 SH
47 QUALCOMM INC QCOM 747525103 $1.9M 0.55% 10,019 SH
48 HOME DEPOT INC HD 437076102 $1.8M 0.54% 5,241 SH
49 FEDERATED HERMES ETF TRUST FTRB 31423L404 $1.8M 0.54% 72,983 SH
50 SPDR INDEX SHS FDS SPDW 78463X889 $1.8M 0.54% 36,300 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-07-21 $339.5M 255 0001964897-26-000003
2026-03-31 2026-04-21 $295.9M 248 0001964897-26-000002
2025-12-31 2026-01-26 $266.9M 244 0001964897-26-000001