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Cobblestone Asset Management LLC — 13F Holdings & Portfolio

CIK 1994512 · latest 13F-HR filed 2026-10-13

Backtest portfolio

Cobblestone Asset Management LLC manages $248.2M in 13F-reported U.S. long-equity assets across 77 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are JPST (15.28%), IVV (13.84%), JBND (6.01%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 7 new positions and exited 4; 20 existing positions rose in reported value and 19 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
$248.2M

Long-equity book

Holdings
77

Distinct positions

Period
2026-09-30

Filed 2026-10-13

Q/Q Activity
+7 / −4 / ↑20 / ↓19

vs 2026-06-30

Portfolio charts

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

Portfolio map

Q3 26
JPST15.3% · +5%IVV13.8% · +2%JBND6.0% · +27%SPEM5.0% · +11%SPYG5.0% · +1%DYNF4.7% · +1%SPYM4.3% · +2%SPYV4.2% · +3%GOVT2.6% · +4%BLCR2.6% · +43%ACWX2.4% · newBAI2.0% · -8%TLH2.0% · +7%IALT1.9% · -1%GGOV1.9% · +29%SCHF1.8% · -25%IBIT1.6% · +4%THRO1.4% · +2%IVLU1.3% · +2%IDEF1.3% · -17%ETHA1.1% · +4%PM1.1% · +22%ECH0.8% · +4%GSOL0.7% · +4%COIN0.7% · +6%NEU0.7% · 0%PSLV0.7% · -1%CSX0.7% · +0%IAU0.7% · +6%EWZ0.6% · -4%EWW0.6% · +11%EWY0.5% · +15%EZA0.5% · +3%INTC0.5% · -4%AAPL0.5% · -4%BKLN0.4% · -3%MO0.4% · +33%JPIE0.4% · +4%MSFT0.4% · +0%BBAG0.4% · +1%JGRO0.4% · -19%BRK.B0.3% · 0%BINC0.3% · -1%BMY0.3% · 0%BBIN0.3% · +54%JVAL0.3% · -5%EPOL0.3% · -54%EWM0.3% · newEWG0.3% · +8%EWD0.3% · newPHYS0.3% · -2%SYSB0.3% · +1%JOBY0.2% · +0%JEPI0.2% · +7%GNL0.1% · 0%MBBA0.1% · newNVDA0.1% · 0%AMZN0.1% · -1%TSLA0.1% · 0%NIO0.1% · -1%

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

Q2 26 → Q3 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

4 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 = 63.6%

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

Firm Profile & Key People

As of the firm’s regulatory filing dated Dec 19, 2025.

Assets Under Management
$2.93B
Discretionary
$2.92B
Employees
43
Accounts
3,387
Address
500 LINDEN OAKS
SUITE 210
ROCHESTER, NY 14625
Phone
(585) 473-3333
Website
Name Title / Status Ownership Type
BARTLETT, THOMAS, MARTIN ControlMEMBER
since Mar 1998
5–10%Individual
DIPASQUALE, JOHN, THOMAS ControlMEMBER, CEO
since Jan 2015
25–50%Individual
E. PHILIP SAUNDERS REVOCABLE TRUST ControlMEMBER
since Dec 2020
10–25%Domestic Entity
GARLOCK, JASON, SCOTT ControlMEMBER, MANAGING DIRECTOR, CHIEF INVESTMENT OFFICER, CHIEF COMPLIANCE OFFICER
since Jan 2017
10–25%Individual
MOONEY, CHRISTOPHER, MARTIN ControlMEMBER, MANAGING DIRECTOR - BUSINESS DEVELOPMENT
since Jan 2019
10–25%Individual
ECKL, JAMES, JOSEPHMEMBER
since Jan 2011
5–10%Individual
GREAVES-TUNNELL, PETER, HUNTINGTONMEMBER
since Mar 1998
5–10%Individual
SHANAHAN, TIMOTHY, JOSEPHMEMBER
since Apr 2011
5–10%Individual
SAUNDERS, EARL, PHILIP Control
Indirect owner via E. PHILIP SAUNDERS REVOCABLE TRUST
TRUSTEE
since Mar 2019
General partner, trustee or managerIndividual
Ownership & leadership changes · 4 filings with changes since Mar 27, 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.

Mar 22, 2021 filing
  • AddedE. PHILIP SAUNDERS REVOCABLE TRUST · MEMBER · 10–25% · control person
  • AddedECKL, JAMES, JOSEPH · MEMBER · 5–10%
  • AddedSAUNDERS, EARL, PHILIP · TRUSTEE · General partner, trustee or manager · indirect via E. PHILIP SAUNDERS REVOCABLE TRUST · control person
  • AddedSHANAHAN, TIMOTHY, JOSEPH · MEMBER · 5–10%
  • ChangedBARTLETT, THOMAS, MARTIN · title MEMBER/CHIEF COMPLIANCE OFFICER → MEMBER; ownership 25–50% → 5–10%
  • ChangedDIPASQUALE, JOHN, THOMAS · title MANAGING MEMBER → MEMBER, CEO
  • ChangedGARLOCK, JASON, SCOTT · title MEMBER, CHIEF INVESTMENT OFFICER → MEMBER, MANAGING DIRECTOR, CHIEF INVESTMENT OFFICER, CHIEF COMPLIANCE OFFICER; ownership 5–10% → 10–25%; now a control person
  • ChangedGREAVES-TUNNELL, PETER, HUNTINGTON · ownership 25–50% → 5–10%; no longer a control person
  • ChangedMOONEY, CHRISTOPHER, MARTIN · title MEMBER, DIRECTOR OF CLIENT SERVICE → MEMBER, MANAGING DIRECTOR - BUSINESS DEVELOPMENT; ownership 5–10% → 10–25%; now a control person
Mar 26, 2019 filing
  • AddedGARLOCK, JASON, SCOTT · MEMBER, CHIEF INVESTMENT OFFICER · 5–10%
  • AddedMOONEY, CHRISTOPHER, MARTIN · MEMBER, DIRECTOR OF CLIENT SERVICE · 5–10%
Mar 19, 2015 filing
  • No longer listedGOODWIN, DANIEL, ROBERT · MEMBER · 25–50% · control person · listed since Mar 1998
  • ChangedBARTLETT, THOMAS, MARTIN · title MANAGING MEMBER/CHIEF COMPLIANCE OFFICER → MEMBER/CHIEF COMPLIANCE OFFICER
  • ChangedDIPASQUALE, JOHN, THOMAS · title MEMBER → MANAGING MEMBER; ownership 10–25% → 25–50%
Mar 26, 2013 filing
  • No longer listedMILLARD, WALTER, WOODWORTH · MEMBER · Less than 5% · control person · listed since Jan 2006
Mar 27, 2012 filing (earliest on record)
  • ListedBARTLETT, THOMAS, MARTIN · MANAGING MEMBER/CHIEF COMPLIANCE OFFICER · 25–50% · control person
  • ListedDIPASQUALE, JOHN, THOMAS · MEMBER · 10–25% · control person
  • ListedGOODWIN, DANIEL, ROBERT · MEMBER · 25–50% · control person
  • ListedGREAVES-TUNNELL, PETER, HUNTINGTON · MEMBER · 25–50% · control person
  • ListedMILLARD, WALTER, WOODWORTH · MEMBER · Less than 5% · control person

Quarter-over-quarter changes

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

Top Adds (vs prior quarter)

Show all 20 →

Top Trims

Show all 19 →

New Positions

Show all 7 →

Exited Positions

Show all 4 →

Cobblestone Asset Management LLC Holdings (2026-09-30)

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 J P MORGAN EXCHANGE TRADED F JPST 46641Q837 $37.9M 15.28% 752,655 SH
2 ISHARES TR IVV 464287200 $34.4M 13.84% 44,861 SH
3 J P MORGAN EXCHANGE TRADED F JBND 46654Q716 $14.9M 6.01% 292,018 SH
4 SPDR INDEX SHS FDS SPEM 78463X509 $12.4M 5.02% 240,472 SH
5 SPDR SERIES TRUST SPYG 78464A409 $12.4M 4.99% 100,716 SH
6 BLACKROCK ETF TRUST DYNF 09290C103 $11.7M 4.70% 168,533 SH
7 SPDR SERIES TRUST SPYM 78464A854 $10.6M 4.28% 118,242 SH
8 SPDR SERIES TRUST SPYV 78464A508 $10.5M 4.24% 172,096 SH
9 ISHARES TR GOVT 46429B267 $6.6M 2.65% 300,198 SH
10 BLACKROCK ETF TRUST BLCR 09290C855 $6.5M 2.63% 133,540 SH
11 ISHARES TR ACWX 464288240 $5.9M 2.38% 78,243 SH
12 BLACKROCK ETF TRUST BAI 09290C780 $5.1M 2.04% 107,161 SH
13 ISHARES TR TLH 464288653 $4.9M 1.98% 53,276 SH
14 BLACKROCK ETF TRUST IALT 09290C665 $4.8M 1.95% 162,033 SH
15 BLACKROCK ETF TRUST II GGOV 092528835 $4.8M 1.91% 94,817 SH
16 SCHWAB STRATEGIC TR SCHF 808524805 $4.5M 1.82% 164,752 SH
17 ISHARES BITCOIN TRUST ETF IBIT 46438F101 $4.0M 1.60% 84,052 SH
18 BLACKROCK ETF TRUST THRO 09290C806 $3.4M 1.37% 77,197 SH
19 ISHARES TR IVLU 46435G409 $3.3M 1.35% 77,897 SH
20 BLACKROCK ETF TRUST IDEF 09290C699 $3.2M 1.29% 102,193 SH
21 ISHARES ETHEREUM TR ETHA 46438R105 $2.7M 1.11% 136,653 SH
22 PHILIP MORRIS INTL INC PM 718172109 $2.6M 1.05% 13,652 SH
23 ISHARES INC ECH 464286640 $2.0M 0.80% 52,834 SH
24 GRAYSCALE SOLANA STAKING ETF GSOL 38965D104 $1.8M 0.73% 203,093 SH
25 COINBASE GLOBAL INC COIN 19260Q107 $1.8M 0.72% 9,641 SH
26 NEWMARKET CORP NEU 651587107 $1.8M 0.72% 2,000 SH
27 SPROTT ASSET MANAGEMENT LP PSLV 85207K107 $1.7M 0.67% 86,275 SH
28 CSX CORP CSX 126408103 $1.6M 0.66% 35,000 SH
29 ISHARES GOLD TR IAU 464285204 $1.6M 0.65% 20,724 SH
30 ISHARES INC EWZ 464286400 $1.4M 0.56% 37,609 SH
31 ISHARES INC EWW 464286822 $1.4M 0.55% 19,245 SH
32 ISHARES INC EWY 464286772 $1.4M 0.55% 7,434 SH
33 ISHARES INC EZA 464286780 $1.3M 0.54% 20,780 SH
34 INTEL CORP INTC 458140100 $1.3M 0.53% 11,001 SH
35 APPLE INC AAPL 037833100 $1.2M 0.47% 3,504 SH
36 INVESCO EXCH TRADED FD TR II BKLN 46138G508 $1.0M 0.41% 50,401 SH
37 ALTRIA GROUP INC MO 02209S103 $1.0M 0.41% 15,050 SH
38 J P MORGAN EXCHANGE TRADED F JPIE 46641Q159 $997.6K 0.40% 22,223 SH
39 MICROSOFT CORP MSFT 594918104 $936.0K 0.38% 1,825 SH
40 J P MORGAN EXCHANGE TRADED F BBAG 46641Q241 $924.7K 0.37% 21,100 SH
41 J P MORGAN EXCHANGE TRADED F JGRO 46654Q609 $894.0K 0.36% 9,257 SH
42 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $811.2K 0.33% 1,629 SH
43 BLACKROCK ETF TRUST II BINC 092528603 $808.6K 0.33% 15,921 SH
44 BRISTOL-MYERS SQUIBB CO BMY 110122108 $797.0K 0.32% 12,772 SH
45 J P MORGAN EXCHANGE TRADED F BBIN 46641Q373 $727.2K 0.29% 9,325 SH
46 J P MORGAN EXCHANGE TRADED F JVAL 46641Q753 $710.6K 0.29% 12,269 SH
47 ISHARES TR EPOL 46429B606 $700.2K 0.28% 15,798 SH
48 ISHARES INC EWM 46434G814 $693.1K 0.28% 25,315 SH
49 ISHARES INC EWG 464286806 $686.0K 0.28% 16,605 SH
50 ISHARES INC EWD 464286756 $680.6K 0.27% 13,615 SH
Filing History
Period Filed AUM Holdings Accession
2026-09-30 2026-10-13 $248.2M 77 0001994512-26-000008
2026-06-30 2026-07-21 $239.8M 74 0001994512-26-000007
2026-03-31 2026-04-28 $222.4M 73 0001994512-26-000005
2025-12-31 2026-01-15 $222.8M 70 0001994512-26-000001
Filer Information
Address
11449 ROBIOUS ROAD
RICHMOND, VA 23235
Phone
(804) 272-8272
Filing Manager
Cobblestone Asset Management LLC
RICHMOND, VA
Signatory
Heather Greenwood
Director, Client Services