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BOLTON SECURITIES CORPORATION — 13F Holdings & Portfolio

CIK 1457457 · latest 13F-HR filed 2026-11-12

Backtest portfolio

BOLTON SECURITIES CORPORATION manages $2.66B in 13F-reported U.S. long-equity assets across 2,239 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are NVDA (3.70%), AAPL (3.51%), MSFT (2.83%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 164 new positions and exited 140; 658 existing positions rose in reported value and 896 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
$2.66B

Long-equity book

Holdings
2,239

Distinct positions

Period
2026-09-30

Filed 2026-11-12

Q/Q Activity
+164 / −140 / ↑658 / ↓896

vs 2026-06-30

Portfolio charts

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

Portfolio map

Q3 26
NVDA3.7% · -1%AAPL3.5% · +3%MSFT2.8% · +6%GOOG1.9% · -0%AMZN1.6% · -6%GOOGL1.5% · +2%AMAT1.4% · -11%LRCX1.4% · -3%BRK.B1.2% · +8%FIX1.2% · -18%META1.0% · +8%APH1.0% · +97%AMD1.0% · -12%SPY1.0% · +24%JPM0.9% · +2%GLD0.9% · +6%QQQ0.9% · +35%VTV0.8% · +11%SPIB0.8% · +2%LLY0.8% · +7%AVGO0.8% · +4%EME0.8% · -4%IBKR0.7% · -2%V0.7% · +0%BFOR0.7% · +418%MU0.7% · -1%PH0.7% · -2%DSI0.6% · 0%ROST0.6% · +1%COST0.6% · -4%AGG0.6% · 0%VOO0.6% · +8%MA0.6% · -3%ORCL0.6% · -4%CTAS0.6% · +1%DGRW0.5% · +2%CW0.5% · -0%RTX0.5% · +37%CAT0.5% · -6%MPWR0.5% · -3%FEGE0.5% · +16%CASY0.5% · +2%KLAC0.5% · -20%USFR0.5% · +4%VCSH0.4% · +20%PLTR0.4% · +34%NUBD0.4% · +1%GE0.4% · +6%ESGD0.4% · +399%JNJ0.4% · -0%TMO0.4% · +2%HEI0.4% · -19%ANET0.4% · +55%XOM0.4% · +8%HUBB0.4% · +1%DGRO0.3% · -2%PYLD0.3% · +1%MRK0.3% · +87%WMT0.3% · -9%AME0.3% · +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

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

2 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 = 20.2%

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

Firm Profile & Key People

Name Title / Status Ownership Type

Quarter-over-quarter changes

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

BOLTON SECURITIES CORPORATION 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 NVIDIA CORPORATION NVDA 67066G104 $98.4M 3.70% 431,032 SH
2 APPLE INC AAPL 037833100 $93.4M 3.51% 280,388 SH
3 MICROSOFT CORP MSFT 594918104 $75.3M 2.83% 146,784 SH
4 ALPHABET INC GOOG 02079K107 $49.8M 1.87% 146,114 SH
5 AMAZON COM INC AMZN 023135106 $43.3M 1.63% 173,889 SH
6 ALPHABET INC GOOGL 02079K305 $39.5M 1.49% 114,925 SH
7 APPLIED MATLS INC AMAT 038222105 $38.2M 1.44% 74,702 SH
8 LAM RESEARCH CORP LRCX 512807306 $36.5M 1.37% 111,171 SH
9 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $32.3M 1.22% 64,951 SH
10 COMFORT SYS USA INC FIX 199908104 $31.3M 1.18% 18,943 SH
11 META PLATFORMS INC META 30303M102 $27.8M 1.05% 38,325 SH
12 AMPHENOL CORP APH 032095101 $26.3M 0.99% 311,478 SH
13 ADVANCED MICRO DEVICES INC AMD 007903107 $26.2M 0.99% 42,879 SH
14 STATE STR SPDR S&P 500 ETF T SPY 78462F103 $25.4M 0.96% 33,331 SH
15 JPMORGAN CHASE & CO JPM 46625H100 $24.2M 0.91% 73,033 SH
16 SPDR GOLD TR GLD 78463V107 $23.6M 0.89% 62,039 SH
17 INVESCO QQQ TR QQQ 46090E103 $23.5M 0.88% 31,764 SH
18 VANGUARD INDEX FDS VTV 922908744 $22.6M 0.85% 104,566 SH
19 SPDR SERIES TRUST SPIB 78464A375 $21.6M 0.81% 668,939 SH
20 ELI LILLY & CO LLY 532457108 $20.8M 0.78% 17,949 SH
21 BROADCOM INC AVGO 11135F101 $20.7M 0.78% 58,835 SH
22 EMCOR GROUP INC EME 29084Q100 $20.6M 0.77% 27,270 SH
23 INTERACTIVE BROKERS GROUP IN IBKR 45841N107 $19.4M 0.73% 226,605 SH
24 VISA INC V 92826C839 $18.9M 0.71% 52,725 SH
25 ALPS ETF TR BFOR 00162Q726 $17.9M 0.67% 781,488 SH
26 MICRON TECHNOLOGY INC MU 595112103 $17.5M 0.66% 16,476 SH
27 PARKER-HANNIFIN CORP PH 701094104 $17.3M 0.65% 18,081 SH
28 ISHARES TR DSI 464288570 $17.1M 0.64% 117,222 SH
29 ROSS STORES INC ROST 778296103 $16.4M 0.62% 70,354 SH
30 COSTCO WHOLESALE CORPORATION COST 22160K105 $16.3M 0.61% 17,909 SH
31 ISHARES TR AGG 464287226 $16.3M 0.61% 172,433 SH
32 VANGUARD INDEX FDS VOO 922908363 $15.6M 0.59% 22,205 SH
33 MASTERCARD INCORPORATED MA 57636Q104 $15.2M 0.57% 27,640 SH
34 ORACLE CORP ORCL 68389X105 $15.2M 0.57% 110,558 SH
35 CINTAS CORP CTAS 172908105 $14.6M 0.55% 75,095 SH
36 WISDOMTREE TR DGRW 97717X669 $14.5M 0.54% 148,700 SH
37 CURTISS WRIGHT CORP CW 231561101 $14.3M 0.54% 26,263 SH
38 RTX CORPORATION RTX 75513E101 $13.7M 0.51% 73,558 SH
39 CATERPILLAR INC CAT 149123101 $13.4M 0.50% 16,542 SH
40 MONOLITHIC PWR SYS INC MPWR 609839105 $13.3M 0.50% 9,897 SH
41 RBB FUND TRUST FEGE 75526L886 $12.1M 0.46% 241,671 SH
42 CASEYS GEN STORES INC CASY 147528103 $12.1M 0.45% 19,820 SH
43 KLA CORP KLAC 482480100 $12.0M 0.45% 61,628 SH
44 WISDOMTREE TR USFR 97717Y527 $12.0M 0.45% 237,820 SH
45 VANGUARD SCOTTSDALE FDS VCSH 92206C409 $11.1M 0.42% 143,247 SH
46 PALANTIR TECHNOLOGIES INC PLTR 69608A108 $11.0M 0.41% 58,566 SH
47 NUSHARES ETF TR NUBD 67092P870 $10.7M 0.40% 503,699 SH
48 GE AEROSPACE GE 369604301 $10.6M 0.40% 33,945 SH
49 ISHARES TR ESGD 46435G516 $10.6M 0.40% 102,729 SH
50 JOHNSON & JOHNSON JNJ 478160104 $10.5M 0.40% 39,763 SH
Filing History
Period Filed AUM Holdings Accession
2026-09-30 2026-11-12 $2.66B 2,239 0001457457-26-000016
2026-06-30 2026-11-12 $2.68B 2,215 0001457457-26-000014
Filer Information
Address
579 MAIN STREET
BOLTON, MA 01740
Phone
(978) 779-6947
Filing Manager
BOLTON SECURITIES CORPORATION
BOLTON, MA
Signatory
Edward Naroian
Compliance Officer