Arkolith/Funds/Factory Mutual Insurance Co

Factory Mutual Insurance Co

CIK 887818Insurance
Holdings as of Mar 31, 2026·disclosed May 5, 2026·~35-day 13F lag·13F-HR
Active Filer

Factory Mutual Insurance Co holds a diversified book of 196 stocks worth $8.9B as of Q1 2026 (disclosed May 5, 2026, a ~45-day 13F lag). This quarter they opened Crowdstrike Holdings Inc - A and trimmed Nvidia Corp. Their largest long position is Nvidia Corp at 6% of the equity book.

Build

Build on this 13F portfolio

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Build

Ask your agent what Factory Mutual Insurance Co owns

This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/funds/887818/holdings"
Ask your agent
Use Arkolith to show FACTORY MUTUAL INSURANCE CO's latest
holdings, largest changes, and filing provenance.
Opened
12
new positions
Added to
97
existing
Trimmed
45
reduced
Sold out
12
exited

Concentration

Top-heavy: diversified book

Top 5 holdings
23%
Top 10 holdings
34%
Top 20 holdings
49%

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

Direct sector allocation

78% mapped to company sectors

Information Technology
37%
ETF / fund or unclassified
22%
Financials
10%
Consumer Discretionary
8%
Health Care
7%
Industrials
5%
Energy
3%
Materials
2%

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.

196 positions
#SecurityValueShares% PortLast moveHistory
1Nvidia Corporation
COM
$506.2M2.90M
5.7%
−0.7%
Reduced · −20K sh
2Apple Inc
COM
$431.6M1.70M
4.9%
−1.5%
Reduced · −27K sh
3Alphabet Inc
CAP STK CL C
$430.2M1.50M
4.8%
+1.4%
Added · +21K sh
4Microsoft Corp
COM
$360.0M972.6K
4.1%
−3.6%
Reduced · −36K sh
5Amazon Com Inc
COM
$286.2M1.37M
3.2%
+3.2%
Added · +43K sh
6J P Morgan Exchange Traded F
CORE PLUS BD ETF
$275.2M5.85M
3.1%
Held
7Broadcom Inc
COM
$232.2M750.1K
2.6%
+3.5%
Added · +26K sh
8Dimensional ETF Trust
CORE FIXED INCOM
$191.6M4.54M
2.2%
Held
9Ishares TR
CORE US AGGBD ET
$181.0M1.82M
2.0%
−55%
Reduced · −2.3M sh
10Select Sector SPDR TR
STATE STREET ENE
$164.4M2.68M
1.8%
+385%
Added · +2.1M sh
11Meta Platforms Inc
CL A
$163.4M285.6K
1.8%
−2.0%
Reduced · −6K sh
12Dimensional ETF Trust
WORLD EX US CORE
$163.3M4.81M
1.8%
Held
13JPMorgan Chase & Co
COM
$152.7M519.2K
1.7%
+5.2%
Added · +25K sh
14Select Sector SPDR TR
STATE STREET UTI
$147.3M3.21M
1.7%
−16%
Reduced · −615K sh
15J P Morgan Exchange Traded F
INTRNL RES EQT
$126.6M1.67M
1.4%
Held
16Exxon Mobil Corp
COM
$115.5M680.7K
1.3%
+2.7%
Added · +18K sh
17Berkshire Hathaway Inc Del
CL B NEW
$113.6M237.0K
1.3%
+2.5%
Added · +6K sh
18Taiwan Semiconductor Manufac
SPONSORED ADS
$111.0M328.5K
1.2%
+3.3%
Added · +11K sh
19Visa Inc
COM CL A
$108.0M357.3K
1.2%
+7.3%
Added · +24K sh
20Dimensional ETF Trust
EMGR CRE EQT MNG
$104.5M3.09M
1.2%
Held
21Tesla Inc
COM
$100.1M269.4K
1.1%
+2.6%
Added · +7K sh
22Ishares TR
HIGH YLD SYSTM B
$98.5M2.12M
1.1%
Held
23Kla Corp
COM NEW
$94.3M64.0K
1.1%
+9.2%
Added · +5K sh
24Vanguard Intl Equity Index F
FTSE EUROPE ETF
$92.1M1.12M
1.0%
−35%
Reduced · −612K sh
25Cadence Design System Inc
COM
$81.1M291.8K
0.9%
+32%
Added · +71K sh
26Johnson & Johnson
COM
$77.8M318.2K
0.9%
−16%
Reduced · −60K sh
27ASML Hldg NV
N Y REGISTRY SHS
$75.6M57.2K
0.9%
−5.7%
Reduced · −3K sh
28Walmart Inc
COM
$75.6M608.2K
0.9%
−0.6%
Reduced · −4K sh
29Chevron Corporation
COM
$75.1M363.1K
0.8%
+3.0%
Added · +11K sh
30Eli Lilly & Co
COM
$74.6M81.2K
0.8%
−5.5%
Reduced · −5K sh
31Ishares TR
RUS MID CAP ETF
$73.8M758.7K
0.8%
Held
32SPDR Gold TR
GOLD SHS
$72.5M168.5K
0.8%
−33%
Reduced · −84K sh
33Select Sector SPDR TR
STATE STREET IND
$71.7M443.2K
0.8%
−52%
Reduced · −480K sh
34Unitedhealth Group Inc
COM
$71.2M263.3K
0.8%
+9.4%
Added · +23K sh
35Philip Morris Intl Inc
COM
$71.2M430.6K
0.8%
+2.9%
Added · +12K sh
36Select Sector SPDR TR
STATE STREET CON
$61.9M568.0K
0.7%
Held
37Micron Technology Inc
COM
$57.7M170.8K
0.6%
+12%
Added · +19K sh
38Procter & Gamble Co
COM
$57.4M397.5K
0.6%
+2.6%
Added · +10K sh
39Coca Cola Co
COM
$55.2M726.4K
0.6%
+2.6%
Added · +18K sh
40Morgan Stanley
COM NEW
$54.2M329.1K
0.6%
Held
41Amphenol Corp
CL A
$53.1M420.4K
0.6%
+9.5%
Added · +36K sh
42Union Pac Corp
COM
$50.7M209.2K
0.6%
−8.2%
Reduced · −19K sh
43Linde PLC
SHS
$50.3M101.5K
0.6%
+3.9%
Added · +4K sh
44Eaton Corp PLC
SHS
$50.1M140.1K
0.6%
+0.6%
Added · +850 sh
45Ishares TR
BROAD USD HIGH
$49.9M1.35M
0.6%
Held
46Performance Food Group Co
COM
$49.0M571.5K
0.6%
+186%
Added · +371K sh
47Ametek Inc
COM
$46.6M217.3K
0.5%
+1.0%
Added · +2K sh
48Home Depot Inc
COM
$45.5M138.4K
0.5%
+2.4%
Added · +3K sh
49Caterpillar Inc
COM
$45.4M64.1K
0.5%
+0.8%
Added · +500 sh
50Monolithic PWR Sys Inc
COM
$43.7M40.0K
0.5%
+1.8%
Added · +700 sh
Showing 50 of 196 positions

Filing history

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

QuarterAs ofFiledPositionsValueForm
Q1 2026Mar 31, 2026May 5, 2026196$8.9B13F-HR
Q4 2025Dec 31, 2025Jan 23, 2026196$9.9B13F-HR
Q3 2025Sep 30, 2025Nov 10, 2025195$10.3B13F-HR
Q2 2025Jun 30, 2025Aug 7, 2025162$9.1B13F-HR
Q1 2025Mar 31, 2025Apr 17, 2025167$8.6B13F-HR
Q4 2024Dec 31, 2024Jan 24, 2025172$9.2B13F-HR
Q3 2024Sep 30, 2024Oct 10, 2024173$9.7B13F-HR
Q2 2024Jun 30, 2024Jul 23, 2024170$8.8B13F-HR
Q1 2024Mar 31, 2024Apr 12, 2024169$8.7B13F-HR
Q4 2023Dec 31, 2023Jan 23, 2024162$8.1B13F-HR
Q3 2023Sep 30, 2023Nov 7, 2023156$7.2B13F-HR
Q2 2023Jun 30, 2023Jul 27, 2023142$6.8B13F-HR
Q1 2023Mar 31, 2023May 8, 2023147$6.4B13F-HR
Q4 2022Dec 31, 2022Feb 2, 2023146$6.6B13F-HR
Q3 2022Sep 30, 2022Nov 4, 2022144$6.1B13F-HR
Q2 2022Jun 30, 2022Aug 8, 2022144$6.1B13F-HR
Q1 2022Mar 31, 2022May 13, 2022136$7.4B13F-HR
Q4 2021Dec 31, 2021Feb 10, 2022133$6.9B13F-HR
Q3 2021Sep 30, 2021Nov 12, 2021129$8.0B13F-HR
Q2 2021Jun 30, 2021Jul 14, 2021126$8.2B13F-HR
Q1 2021Mar 31, 2021May 10, 2021130$7.8B13F-HR
Q4 2020Dec 31, 2020Feb 17, 2021128$7.4B13F-HR
Q3 2020Sep 30, 2020Oct 19, 2020106$6.2B13F-HR
Q2 2020Jun 30, 2020Jul 13, 2020109$5.8B13F-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. Price-derived performance is withheld until the price-source policy and freshness gate are green.