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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 and exited 12; 99 existing positions rose in reported value and 26 fell.

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.

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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

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
MFSI6.8% · +2%OSBC5.4% · +4%IJH5.1% · +1%NVDA3.5% · +1%SPYM3.1% · +6%AAPL2.8% · +0%CAT2.6% · -2%AVGO2.5% · +0%VEA2.4% · +2%GOOGL2.3% · -0%JPM2.2% · +2%BSCR2.0% · +8%MSFT2.0% · +9%VWO1.9% · newKLAC1.8% · +875%LLY1.6% · +1%CMI1.4% · -2%MS1.4% · +1%GLW1.4% · -47%VT1.3% · +1%AMZN1.3% · +1%BSCS1.1% · +8%BSJR1.1% · +18%ABBV1.0% · +2%JNJ1.0% · +2%VLO0.9% · +1%BLK0.9% · +2%CVX0.9% · +26%BX0.9% · +29%TFLR0.8% · +8%QQQ0.8% · -1%SPY0.8% · -16%PHM0.8% · +3%PEP0.7% · +4%ETN0.7% · +3%SPYV0.7% · +16%EOG0.7% · +36%VGK0.7% · -3%NEE0.7% · +8%COF0.6% · +9%VIK0.6% · -1%NOC0.6% · +3%MET0.6% · +4%SOFI0.6% · +93%IVV0.6% · -0%SPYG0.5% · +14%QCOM0.5% · +2%HD0.5% · +5%SPDW0.5% · +19%FTRB0.5% · +6%PLD0.5% · +3%SPIB0.5% · +1%PWR0.5% · 0%SPSM0.5% · +10%MCD0.5% · +3%BRK.B0.4% · +5%NSC0.4% · +2%MA0.4% · +2%SBUX0.4% · +3%COST0.4% · +4%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

3 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 36.3%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

As of the firm’s regulatory filing dated Jun 9, 2026.

Assets Under Management
$539.2M
Discretionary
$520.8M
Employees
12
Accounts
1,081
Address
37 S. RIVER STREET
AURORA, IL 60506
Phone
(630) 906-5501
Website
Name Title / Status Ownership Type
BACH, DAVID, BRENNAN ControlCHIEF COMPLIANCE OFFICER
since Jul 2018
Less than 5%Individual
CAVA, MICHAEL, THOMAS ControlMANAGING DIRECTOR/SENIOR PORTFOLIO MANAGER
since Aug 2018
Less than 5%Individual
GARTELMANN, RICHARD, A. ControlCHIEF EXECUTIVE OFFICER
since Dec 2011
Less than 5%Individual
JOHNSON, BRADLEY, JOSEPH ControlMANAGING DIRECTOR/SENIOR PORTFOLIO MANAGER
since Jun 2018
Less than 5%Individual
MEVES, STEVEN, C ControlMANAGING DIRECTOR/CHIEF INVESTMENT OFFICER
since Jun 2018
Less than 5%Individual
OLD SECOND BANK ControlSOLE MEMBER
since Apr 2010
75% or moreDomestic Entity
RUNNBERG, JACQUELINE, ANN ControlMANAGING DIRECTOR/WEALTH ADVISOR
since Jun 2018
Less than 5%Individual
Ownership & leadership changes · 1 filing with changes since Mar 29, 2012

From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.

Oct 7, 2020 filing
  • No longer listedBINDER, JOEL, ALLEN · CEO · Less than 5% · control person · listed since Jul 2011
  • No longer listedSADZEWICZ, GERY, JOSEPH · CHIEF COMPLIANCE OFFICER · Less than 5% · listed since Apr 2010
  • AddedBACH, DAVID, BRENNAN · CHIEF COMPLIANCE OFFICER · Less than 5% · control person
  • AddedCAVA, MICHAEL, THOMAS · MANAGING DIRECTOR/SENIOR PORTFOLIO MANAGER · Less than 5% · control person
  • AddedGARTELMANN, RICHARD, A. · CHIEF EXECUTIVE OFFICER · Less than 5% · control person
  • AddedJOHNSON, BRADLEY, JOSEPH · MANAGING DIRECTOR/SENIOR PORTFOLIO MANAGER · Less than 5% · control person
  • AddedMEVES, STEVEN, C · MANAGING DIRECTOR/CHIEF INVESTMENT OFFICER · Less than 5% · control person
  • AddedRUNNBERG, JACQUELINE, ANN · MANAGING DIRECTOR/WEALTH ADVISOR · Less than 5% · control person
Mar 29, 2012 filing (earliest on record)
  • ListedBINDER, JOEL, ALLEN · CEO · Less than 5% · control person
  • ListedOLD SECOND BANK · SOLE MEMBER · 75% or more · control person
  • ListedSADZEWICZ, GERY, JOSEPH · CHIEF COMPLIANCE OFFICER · Less than 5%

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

River Street Advisors LLC Holdings (2026-06-30)

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
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