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Altar Rock LLC — 13F Holdings & Portfolio

CIK 2156071 · latest 13F-HR filed 2026-11-06

Backtest portfolio

Altar Rock LLC manages $65.8M in 13F-reported U.S. long-equity assets across 95 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are AMG (5.57%), GLD (5.31%), AVDE (4.79%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 20 new positions and exited 21; 21 existing positions rose in reported value and 13 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
$65.8M

Long-equity book

Holdings
95

Distinct positions

Period
2026-09-30

Filed 2026-11-06

Q/Q Activity
+20 / −21 / ↑21 / ↓13

vs 2026-06-30

Portfolio charts

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

Portfolio map

Q3 26
AVDE8.7% · -0%AVLV7.9% · -0%AVEM7.6% · -0%AVUV5.7% · -0%AMG5.6% · -12%AVUS5.5% · +1%GLD5.3% · -2%NVDA3.9% · +2%AAPL3.6% · -1%AVDV3.1% · -0%SUB3.1% · +28%EWX3.0% · -1%MSFT2.6% · +0%AVES2.3% · -1%GOOGL2.0% · -0%AMZN1.8% · -1%TSM1.7% · 0%AVGO1.2% · +5%META1.1% · -12%TXG1.0% · -26%MU0.9% · -0%JPM0.8% · +2%LLY0.8% · +0%BRK.B0.7% · +18%TSLA0.7% · -1%AMD0.6% · -1%XOM0.6% · +2%GOOG0.6% · +5%ABNB0.5% · -4%SPTM0.5% · +0%NFLX0.5% · +10%AMAT0.5% · 0%ASML0.5% · 0%RHI0.5% · -6%V0.5% · 0%CAT0.5% · +9%KRC0.4% · -0%MAN0.4% · -7%MA0.4% · -1%INGR0.4% · newTWLO0.4% · -5%WMT0.4% · -18%APH0.4% · +101%VAC0.4% · 0%LRCX0.4% · 0%JNJ0.4% · +4%IVV0.4% · +14%ILMN0.4% · newC0.4% · +3%VEA0.4% · -63%SAN0.4% · 0%ABBV0.4% · -0%ANET0.4% · newCSCO0.4% · +6%HPQ0.4% · newMNST0.3% · +94%CTSH0.3% · newPLTR0.3% · newCVX0.3% · newEXPD0.3% · new

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

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 = 56.9%

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

Firm Profile & Key People

As of the firm’s regulatory filing dated Sep 11, 2026.

Assets Under Management
$158.7M
Discretionary
$158.7M
Employees
7
Accounts
111
Phone
(917) 226-0565
Website
Mailing Address
407 EAST 70TH STREET 5TH FLOOR, NEW YORK, NY, 10021
Name Title / Status Ownership Type
BARNES, ANDREW, HARDING ControlMANAGING PARTNER/MEMBER
since Dec 2020
25–50%Individual
INNOVA CAPITAL PARTNERS 3 LP ControlMEMBER
since May 2024
25–50%Domestic Entity
KONSTANTINOVA, VALERIE ControlCHIEF COMPLIANCE OFFICER/HEAD OF OPERATIONS
since May 2026
Less than 5%Individual
Ownership & leadership changes · 7 filings with changes since May 16, 2023

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.

Aug 14, 2026 filing
  • No longer listedBASU, ARCHAN, KUMAR · MEMBER, CHIEF INVESTMENT STRATEGIST · 25–50% · control person · listed since Dec 2020
Jun 24, 2026 filing
  • AddedKONSTANTINOVA, VALERIE · CHIEF COMPLIANCE OFFICER/HEAD OF OPERATIONS · Less than 5% · control person
  • ChangedBARNES, ANDREW, HARDING · title MEMBER → MANAGING PARTNER/MEMBER
  • ChangedBASU, ARCHAN, KUMAR · title MEMBER, CHIEF INVESTMENT OFFICER, CHIEF COMPLIANCE OFFICER → MEMBER, CHIEF INVESTMENT STRATEGIST
Sep 30, 2025 filing
  • No longer listedLITMAN, WARREN, NEIL · MEMBER · 10–25% · control person · listed since Dec 2020
  • AddedINNOVA CAPITAL PARTNERS 3 LP · MEMBER · 25–50% · control person
  • ChangedBASU, ARCHAN, KUMAR · title MEMBER, CIO, CCO → MEMBER, CHIEF INVESTMENT OFFICER, CHIEF COMPLIANCE OFFICER
Mar 19, 2024 filing
  • No longer listedKOVTUNENKO, NIKOLAI, S · PARTNER AND HEAD OF RISK AND PORTFOLIO ANALYTICS · Less than 5% · listed since Jan 2023
  • No longer listedPOULIN, WILLIAM, JON · MEMBER · 10–25% · listed since Dec 2020
  • ChangedLITMAN, WARREN, NEIL · now a control person
Sep 19, 2023 filing
  • AddedKOVTUNENKO, NIKOLAI, S · PARTNER AND HEAD OF RISK AND PORTFOLIO ANALYTICS · Less than 5%
Jul 20, 2023 filing
  • ChangedLITMAN, WARREN, NEIL · no longer a control person
  • ChangedPOULIN, WILLIAM, JON · no longer a control person
Jul 10, 2023 filing
  • ChangedLITMAN, WARREN, NEIL · ownership 25–50% → 10–25%
  • ChangedPOULIN, WILLIAM, JON · ownership 25–50% → 10–25%
May 16, 2023 filing (earliest on record)
  • ListedBARNES, ANDREW, HARDING · MEMBER · 25–50% · control person
  • ListedBASU, ARCHAN, KUMAR · MEMBER, CIO, CCO · 25–50% · control person
  • ListedLITMAN, WARREN, NEIL · MEMBER · 25–50% · control person
  • ListedPOULIN, WILLIAM, JON · MEMBER · 25–50% · 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 21 →

Top Trims

Show all 13 →

New Positions

Show all 20 →

Exited Positions

Show all 21 →

Altar Rock 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 AFFILIATED MANAGERS GROUP AMG 008252108 $3.7M 5.57% 9,449 SH
2 SPDR GOLD TR GLD 78463V107 $3.5M 5.31% 9,073 SH
3 AMERICAN CENTY ETF TR AVDE 025072703 $3.1M 4.79% 35,068 SH
4 AMERICAN CENTY ETF TR AVLV 025072349 $2.7M 4.16% 29,626 SH
5 AMERICAN CENTY ETF TR AVEM 025072604 $2.6M 3.99% 27,860 SH
6 NVIDIA CORPORATION NVDA 67066G104 $2.6M 3.89% 11,144 SH
7 AMERICAN CENTY ETF TR AVDE 025072703 $2.5M 3.87% 28,352 SH
8 AMERICAN CENTY ETF TR AVLV 025072349 $2.5M 3.78% 26,914 SH
9 APPLE INC AAPL 037833100 $2.4M 3.63% 7,096 SH
10 AMERICAN CENTY ETF TR AVEM 025072604 $2.4M 3.58% 25,040 SH
11 AMERICAN CENTY ETF TR AVUV 025072877 $2.1M 3.19% 17,538 SH
12 AMERICAN CENTY ETF TR AVUS 025072885 $2.1M 3.13% 15,758 SH
13 ISHARES TR SUB 464288158 $2.0M 3.06% 19,190 SH
14 MICROSOFT CORP MSFT 594918104 $1.7M 2.63% 3,228 SH
15 AMERICAN CENTY ETF TR AVUV 025072877 $1.6M 2.50% 13,760 SH
16 AMERICAN CENTY ETF TR AVUS 025072885 $1.6M 2.40% 12,102 SH
17 ALPHABET INC GOOGL 02079K305 $1.3M 2.04% 3,812 SH
18 AMAZON COM INC AMZN 023135106 $1.2M 1.78% 4,459 SH
19 AMERICAN CENTY ETF TR AVDV 025072802 $1.1M 1.67% 10,117 SH
20 TAIWAN SEMICONDUCTOR MANUFAC TSM 874039100 $1.1M 1.67% 2,420 SH
21 SPDR INDEX SHS FDS EWX 78463X756 $1.1M 1.65% 15,121 SH
22 AMERICAN CENTY ETF TR AVDV 025072802 $955.7K 1.45% 8,807 SH
23 SPDR INDEX SHS FDS EWX 78463X756 $917.9K 1.40% 12,812 SH
24 AMERICAN CENTY ETF TR AVES 025072372 $901.4K 1.37% 13,749 SH
25 BROADCOM INC AVGO 11135F101 $771.5K 1.17% 2,134 SH
26 META PLATFORMS INC META 30303M102 $718.7K 1.09% 1,000 SH
27 10X GENOMICS INC TXG 88025U109 $629.2K 0.96% 7,802 SH
28 AMERICAN CENTY ETF TR AVES 025072372 $629.0K 0.96% 9,595 SH
29 MICRON TECHNOLOGY INC MU 595112103 $619.5K 0.94% 602 SH
30 JPMORGAN CHASE & CO JPM 46625H100 $515.3K 0.78% 1,540 SH
31 ELI LILLY & CO LLY 532457108 $496.5K 0.76% 421 SH
32 TESLA INC TSLA 88160R101 $471.9K 0.72% 1,233 SH
33 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $454.3K 0.69% 881 SH
34 ADVANCED MICRO DEVICES INC AMD 007903107 $417.8K 0.64% 687 SH
35 EXXONMOBIL HOLDINGS CORP XOM 30233Q108 $383.5K 0.58% 2,270 SH
36 ALPHABET INC GOOG 02079K107 $383.3K 0.58% 1,102 SH
37 AIRBNB INC ABNB 009066101 $356.8K 0.54% 2,151 SH
38 SPDR SERIES TRUST SPTM 78464A805 $351.0K 0.53% 3,734 SH
39 NETFLIX INC. NFLX 64110L106 $335.2K 0.51% 4,768 SH
40 APPLIED MATLS INC AMAT 038222105 $334.1K 0.51% 659 SH
41 ASML HLDG NV ASML N07059210 $329.4K 0.50% 185 SH
42 ROBERT HALF INC. RHI 770323103 $306.2K 0.47% 9,023 SH
43 VISA INC V 92826C839 $296.8K 0.45% 770 SH
44 CATERPILLAR INC CAT 149123101 $296.2K 0.45% 370 SH
45 KILROY REALTY CORP KRC 49427F108 $294.9K 0.45% 8,478 SH
46 MANPOWERGROUP INC WIS MAN 56418H100 $294.5K 0.45% 5,580 SH
47 MASTERCARD INCORPORATED MA 57636Q104 $277.3K 0.42% 470 SH
48 INGREDION INC INGR 457187102 $276.1K 0.42% 2,875 SH
49 TWILIO INC TWLO 90138F102 $274.4K 0.42% 948 SH
50 WALMART INC WMT 931142103 $270.0K 0.41% 2,425 SH
Filing History
Period Filed AUM Holdings Accession
2026-09-30 2026-11-06 $65.8M 95 0002085853-26-001357
2026-06-30 2026-09-21 $68.4M 89 0002085853-26-001098
2026-03-31 2026-09-21 $85.2M 157 0002085853-26-001097
Filer Information
Address
407 EAST 70TH STREET
5TH FLOOR
NEW YORK, NY 10021
Phone
(917) 226-0565
Filing Manager
Altar Rock LLC
NEW YORK, NY
Signatory
Valerie Konstantinova
Chief Compliance Officer