Arkolith/Funds/Alesco Advisors, LLC, An ESL Co

Alesco Advisors, LLC, An ESL Co

CIK 1269978
Holdings as of Mar 31, 2026·disclosed May 13, 2026·~43-day 13F lag·13F-HR
Inactive

Alesco Advisors, LLC, An ESL Co holds a concentrated book of 143 stocks worth $3.9B as of Q1 2026 (disclosed May 13, 2026, a ~45-day 13F lag). This quarter they opened TAIWAN SEMICONDUCTOR MANUFAC and trimmed ISHR IBX USD INVGD CB ETF-UI. Their largest long position is ISHR IBX USD INVGD CB ETF-UI at 39% of the equity book.

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holdings, largest changes, and filing provenance.
Opened
43
new positions
Added to
42
existing
Trimmed
30
reduced
Sold out
3
exited

Concentration

Top-heavy: concentrated book

Top 5 holdings
63%
Top 10 holdings
83%
Top 20 holdings
96%

Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.

Direct sector allocation

1% mapped to company sectors

ETF / fund or unclassified
99%
Financials
0%
Health Care
0%
Industrials
0%
Consumer Discretionary
0%
Energy
0%
Real Estate
0%
Materials
0%

Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.

Biggest moves: latest quarter

Estimated $ traded · quarter-end prices, no cost basis

Bought
Trimmed / exited

Holdings: largest first

Bars show each stock's share of the portfolio. Click a row for its position history.

243 positions
#SecurityValueShares% PortLast moveHistory
1Ishares TR
CORE S&P500 ETF
$846.1M1.30M
21.6%
−0.3%
Reduced · −4K sh
2Ishares TR
CORE S&P MCP ETF
$364.0M5.39M
9.3%
+0.3%
Added · +17K sh
3Ishares TR
CORE S&P SCP ETF
$278.5M2.24M
7.1%
−3.0%
Reduced · −68K sh
4Ishares TR
CORE MSCI INTL
$257.8M3.08M
6.6%
−0.5%
Reduced · −15K sh
5Vanguard BD Index FDS
TOTAL BND MRKT
$202.4M2.75M
5.2%
+8.0%
Added · +204K sh
6Schwab Strategic TR
US TIPS ETF
$162.9M6.12M
4.2%
+2.8%
Added · +165K sh
7Ishares Inc
CORE MSCI EMKT
$161.4M2.31M
4.1%
−2.1%
Reduced · −50K sh
8State STR SPDR S&P 500 ETF T
TR UNIT
$138.3M212.7K
3.5%
−2.1%
Reduced · −5K sh
9Ishares TR
CORE MSCI EAFE
$134.4M1.48M
3.4%
−2.4%
Reduced · −37K sh
10American Centy ETF TR
US SML CP VALU
$116.2M1.05M
3.0%
−2.0%
Reduced · −21K sh
11Vanguard Malvern FDS
STRM INFPROIDX
$104.9M2.10M
2.7%
+3.0%
Added · +62K sh
12American Centy ETF TR
US LARGE CAP VLU
$104.1M1.29M
2.7%
−2.5%
Reduced · −34K sh
13Dimensional ETF Trust
US HIGH PROFITAB
$96.7M2.63M
2.5%
+0.5%
Added · +14K sh
14Ishares TR
EAFE VALUE ETF
$96.5M1.30M
2.5%
−3.3%
Reduced · −45K sh
15Ishares TR
US TREAS BD ETF
$84.6M3.69M
2.2%
+4.7%
Added · +165K sh
16Vanguard Scottsdale FDS
MTG-BKD SECS ETF
$75.0M1.60M
1.9%
+4.5%
Added · +69K sh
17Vanguard Tax-Managed FDS
VAN FTSE DEV MKT
$52.6M820.2K
1.3%
−5.1%
Reduced · −44K sh
18Ishares TR
ESG AWR MSCI USA
$34.2M241.6K
0.9%
−2.9%
Reduced · −7K sh
19Ishares TR
ESG AWR US AGRGT
$31.0M651.4K
0.8%
+0.8%
Added · +5K sh
20Vanguard Intl Equity Index F
FTSE EMR MKT ETF
$24.6M455.3K
0.6%
−5.3%
Reduced · −26K sh
21Ishares TR
NEW YORK MUN ETF
$24.5M461.0K
0.6%
+5.9%
Added · +26K sh
22Ishares TR
NATIONAL MUN ETF
$22.9M215.4K
0.6%
+11%
Added · +21K sh
23SPDR Series Trust
STATE STREET SPD
$21.4M377.6K
0.5%
−5.1%
Reduced · −20K sh
24Ishares TR
SHRT NAT MUN ETF
$18.5M173.8K
0.5%
−0.7%
Reduced · −1K sh
25Dimensional ETF Trust
INTL SMALL CAP E
$18.4M545.3K
0.5%
+1.4%
Added · +8K sh
26Schwab Strategic TR
SHT TM US TRES
$18.3M752.2K
0.5%
+22%
Added · +133K sh
27Ishares TR
ISHS 1-5YR INVS
$17.9M339.7K
0.5%
+20%
Added · +56K sh
28Goldman Sachs ETF TR
ACCES TREASURY
$16.3M162.7K
0.4%
+42%
Added · +48K sh
29Dimensional ETF Trust
EMERGING MKTS VA
$16.0M447.8K
0.4%
+1.9%
Added · +8K sh
30Vanguard Index FDS
LARGE CAP ETF
$14.4M48.3K
0.4%
−0.3%
Reduced · −141 sh
31Ishares TR
S&P 500 VAL ETF
$14.0M66.1K
0.4%
−5.9%
Reduced · −4K sh
32Ishares TR
ESG AW MSCI EAFE
$11.8M123.5K
0.3%
−6.8%
Reduced · −9K sh
33Ishares TR
EAFE SML CP ETF
$11.2M143.1K
0.3%
−2.2%
Reduced · −3K sh
34Ishares TR
0-5 YR TIPS ETF
$10.9M105.6K
0.3%
+1.4%
Added · +1K sh
35SPDR Series Trust
STATE STREET SPD
$10.5M137.5K
0.3%
+15%
Added · +18K sh
36Ishares TR
0-5YR HI YL CP
$9.6M228.0K
0.2%
+50%
Added · +76K sh
37SPDR Series Trust
STATE STREET SPD
$9.4M110.4K
0.2%
−4.7%
Reduced · −5K sh
38Apple Inc
COM
$9.2M36.2K
0.2%
+19%
Added · +6K sh
39Vanguard Index FDS
MCAP VL IDXVIP
$8.7M47.0K
0.2%
−1.2%
Reduced · −581 sh
40Ishares TR
RUS 1000 GRW ETF
$7.9M18.4K
0.2%
Held
41Microsoft Corp
COM
$7.5M20.3K
0.2%
+62%
Added · +8K sh
42Ishares TR
MBS ETF
$7.2M75.5K
0.2%
+1.1%
Added · +840 sh
43Ishares TR
FLTG RATE NT ETF
$7.1M138.5K
0.2%
+60%
Added · +52K sh
44Ishares TR
ESG AWARE MSCI
$6.7M142.3K
0.2%
−4.0%
Reduced · −6K sh
45Ishares TR
MICRO-CAP ETF
$6.7M41.8K
0.2%
−3.8%
Reduced · −2K sh
46Vanguard Scottsdale FDS
VNG RUS1000IDX
$6.6M22.3K
0.2%
+13%
Added · +3K sh
47SPDR Series Trust
STATE STRET SPDR
$5.7M297.8K
0.1%
−5.3%
Reduced · −17K sh
48Ishares Inc
ESG AWR MSCI EM
$5.5M121.4K
0.1%
−7.0%
Reduced · −9K sh
49Ishares TR
0-3 MNTH TREASRY
$5.4M54.1K
0.1%
−16%
Reduced · −10K sh
50Schwab Strategic TR
FUNDAMENTAL INTL
$5.4M110.1K
0.1%
−12%
Reduced · −15K sh
Showing 50 of 243 positions

Filing history

As-of date vs the date the SEC received each filing

QuarterAs ofFiledPositionsValueForm
Q1 2026Mar 31, 2026May 13, 2026243$3.9B13F-HR
Q4 2025Dec 31, 2025Jan 28, 2026203$3.9B13F-HR
Q3 2025Sep 30, 2025Oct 29, 2025202$3.7B13F-HR
Q2 2025Jun 30, 2025Jul 9, 2025193$3.5B13F-HR
Q1 2025Mar 31, 2025May 12, 2025191$3.2B13F-HR
Q4 2024Dec 31, 2024Feb 6, 2025191$3.2B13F-HR
Q3 2024Sep 30, 2024Nov 12, 2024188$3.2B13F-HR
Q2 2024Jun 30, 2024Aug 13, 2024187$3.1B13F-HR
Q1 2024Mar 31, 2024May 10, 2024185$3.0B13F-HR
Q4 2023Dec 31, 2023Feb 2, 2024176$2.9B13F-HR
Q3 2023Sep 30, 2023Nov 14, 2023170$2.6B13F-HR
Q2 2023Jun 30, 2023Aug 9, 2023164$2.8B13F-HR
Q1 2023Mar 31, 2023Apr 24, 2023159$2.7B13F-HR
Q4 2022Dec 31, 2022Jan 26, 2023163$2.6B13F-HR
Q3 2022Sep 30, 2022Nov 14, 2022148$2.4B13F-HR
Q2 2022Jun 30, 2022Aug 15, 2022142$2.6B13F-HR
Q1 2022Mar 31, 2022May 16, 2022143$3.0B13F-HR
Q4 2021Dec 31, 2021Feb 14, 2022141$3.0B13F-HR
Q3 2021Sep 30, 2021Nov 15, 2021134$2.8B13F-HR
Q2 2021Jun 30, 2021Aug 16, 2021135$2.8B13F-HR
Q1 2021Mar 31, 2021May 17, 2021127$2.6B13F-HR
Q4 2020Dec 31, 2020Feb 10, 2021126$2.5B13F-HR
Q3 2020Sep 30, 2020Nov 16, 2020123$2.2B13F-HR
Q2 2020Jun 30, 2020Aug 14, 2020121$2.1B13F-HR

Data source

Holdings from SEC EDGAR 13F-HR filings, updated quarterly ~45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.