SEC 13F Intelligence

Managers / Q1 2026

River Street Advisors LLC

CIK 0001964897 · 37 SOUTH RIVER STREET, AURORA, IL, 60506 · 630-906-5501

Reported Value
$296M
Q1 2026
Positions
248
Filings on Record
14
2019–present window
Filed
Apr 21, 2026
original filing

Summary

River Street Advisors LLC reported $296M in U.S.-listed holdings across 248 positions for Q1 2026.

Its largest position, Mfs Active Exchange Traded F, represents 7.0% of the portfolio.

Compared with Q4 2025, the fund opened 19 new positions and exited 14.

Portfolio Metrics

Turnover
+7.3%
vs prior filed quarter
Top-10 Concentration
+35.1%
share of reported value
Largest Position
+7.0%
Mfs Active Exchange Traded F
New / Exited
19 / 14
positions this quarter

Methodology: turnover is min(value bought, value sold) ÷ average reported value across the two quarters — value-based, so market moves inflate it slightly versus a share-based measure. Concentration and largest position are shares of the filing’s total reported value, options excluded. New/exited counts compare against the prior filed quarter. All figures derive solely from the fund’s 13F filings.

Reported Value by Quarter

13F Reported Value
Q4 ’22: $93MQ4 ’22Q1 ’23: $102MQ2 ’23: $105MQ2 ’23Q3 ’23: $106MQ4 ’23: $125MQ4 ’23Q1 ’24: $148MQ2 ’24: $163MQ2 ’24Q3 ’24: $184MQ4 ’24: $196MQ4 ’24Q1 ’25: $202MQ2 ’25: $232MQ2 ’25Q3 ’25: $258MQ4 ’25: $267MQ4 ’25Q1 ’26: $296Mfilingsflow.com

Portfolio Composition

By security type
Common Stock: 56.6%ETP: 39.4%Closed-End Fund: 1.9%Other: 1.4%REIT: 0.9%
  • Common Stock · 56.6% · $167M
  • ETP · 39.4% · $116M
  • Closed-End Fund · 1.9% · $6M
  • Other · 1.4% · $4M
  • REIT · 0.9% · $3M

Quarter-over-Quarter Changes full breakdown →

vs Q4 2025 (amended baseline)

IssuerMoveShare ΔShares nowValue ΔValue now
INVESCO EXCH TRD SLF IDX FDNEW+141.9K141.9K+$3M$3M
NFLXNETFLIX INC.NEW+15.3K15.3K+$1M$1M
ZTSZOETIS INCNEW+11.7K11.7K+$1M$1M
VANGUARD INDEX FDSNEW+2.1K2.1K+$638,352$638,352
BACVERIZON COMMUNICATIONS INCNEW+10.4K10.4K+$522,482$522,482
BLACKROCK MUNIYILD QULT FD INEW+44.5K44.5K+$488,490$488,490
OKEONEOK INC NEWNEW+5.3K5.3K+$480,243$480,243
CMECME GROUP INCNEW+1.5K1.5K+$439,777$439,777

Value changes conflate price moves with buying and selling — share changes are the real signal. Share counts are not split-adjusted.

Holdings — Q1 2026

44 positions
#IssuerClass% PortfolioValueShares
1MFS ACTIVE EXCHANGE TRADED FINTERNATINL ETF6.99%$21M695.6K
2ISHARES TRCORE S&P MCP ETF · CORE S&P500 ETF5.63%$17M224.2K
3OSBCOLD SECOND BANCORP INC DELhistory →COM5.08%$15M746.3K
4INVESCO EXCH TRD SLF IDX FDBULSHS 2027 CB · INVSCO BLSH 28 · BULETSHS 20274.35%$13M628.7K
5SPDR SERIES TRUSTSTATE STREET SPD4.13%$12M197.9K
6NVDANVIDIA CORPORATIONhistory →COM3.42%$10M58.1K
7AAPLAPPLE INChistory →COM2.62%$8M30.6K
8VANGUARD TAX-MANAGED FDSVAN FTSE DEV MKT2.37%$7M109.3K
9AVGOBROADCOM INChistory →COM2.31%$7M22.1K
10JPMJPMORGAN CHASE & COhistory →COM2.21%$7M22.3K
11GOOGLALPHABET INChistory →CAP STK CL A2.17%$6M22.3K
12FRANKLIN TEMPLETON ETF TRFRANKLIN INDIA2.04%$6M181.8K
13MSFTMICROSOFT CORPhistory →COM2.03%$6M16.2K
14VANGUARD INTL EQUITY INDEX FTT WRLD ST ETF · FTSE EUROPE ETF2.02%$6M53.7K
15CATCATERPILLAR INChistory →COM1.98%$6M8.3K
16GLWCORNING INChistory →COM1.59%$5M34.7K
17LLYELI LILLY & COhistory →COM1.36%$4M4.4K
18AMZNAMAZON COM INChistory →COM1.28%$4M18.2K
19CMICUMMINS INChistory →COM1.26%$4M6.9K
20DWDMORGAN STANLEYhistory →COM NEW1.25%$4M22.6K
21JNJJOHNSON & JOHNSONhistory →COM1.08%$3M13.0K
22KLACKLA CORPhistory →COM NEW1.03%$3M2.1K
23BLKBLACKROCK INChistory →COM1.02%$3M3.1K
24VLOVALERO ENERGY CORPhistory →COM1.02%$3M12.2K
25CHVCHEVRON CORPORATIONCOM1.00%$3M14.2K
26ABBVABBVIE INCCOM0.96%$3M13.1K
27PEPPEPSICO INCCOM0.94%$3M18.0K
28STATE STR SPDR S&P 500 ETF TTR UNIT0.92%$3M4.2K
29TFLRT ROWE PRICE ETF INCFLOATING RATE0.90%$3M52.8K
30NOCNORTHROP GRUMMAN CORPCOM0.85%$3M3.7K
31NDQINVESCO QQQ TRUNIT SER 10.77%$2M3.9K
32BXBLACKSTONE INCCOM0.75%$2M19.2K
33NEENEXTERA ENERGY INCCOM0.72%$2M23.0K
34PHMPULTE GROUP INCCOM0.72%$2M18.1K
35EATON CORP PLCSHS0.67%$2M5.5K
36EOGEOG RES INCCOM0.64%$2M13.1K
37MCDMCDONALDS CORPCOM0.62%$2M5.9K
38FEDERATED HERMES ETF TRUSTHERMES TOTAL RET0.58%$2M68.6K
39COFCAPITAL ONE FINL CORPCOM0.58%$2M9.4K
40PLDPROLOGIS INC.COM0.58%$2M12.9K
41HDHOME DEPOT INCCOM0.55%$2M5.0K
42METMETLIFE INCCOM0.52%$2M21.9K
43NFLXNETFLIX INC.COM0.50%$1M15.3K
44COSTCOSTCO WHOLESALE CORPORATIONCOM0.49%$1M1.5K

Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$296M248Apr 21, 202613F-HRchanges · EDGAR ↗
Q4 2025$267M244Jan 26, 202613F-HRchanges · EDGAR ↗
Q3 2025$258M241Oct 22, 202513F-HRchanges · EDGAR ↗
Q2 2025$232M240Jul 21, 202513F-HRchanges · EDGAR ↗
Q1 2025$202M221Apr 21, 202513F-HRchanges · EDGAR ↗
Q4 2024$196M217Jan 24, 202513F-HRchanges · EDGAR ↗
Q3 2024$184M227Nov 6, 202413F-HRchanges · EDGAR ↗
Q2 2024$163M222Aug 13, 202413F-HRchanges · EDGAR ↗
Q1 2024$148M243Apr 17, 202413F-HRchanges · EDGAR ↗
Q4 2023$125M232Jan 30, 202413F-HRchanges · EDGAR ↗
Q3 2023$106M217Oct 26, 202313F-HRchanges · EDGAR ↗
Q2 2023$105M172Jul 21, 202313F-HRchanges · EDGAR ↗
Q1 2023$102M162May 3, 202313F-HRchanges · EDGAR ↗
Q4 2022$93M152Feb 8, 202313F-HRchanges · EDGAR ↗

13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.