AGO

Assured Guaranty Ltd Cross-source read$71.36 2.14%
FinancialsCUSIP G0585R106· EOD Sep 15, 2026

Among active 13F managers last quarter, 4 opened and 23 added, while 18 reduced; the largest holder to move was River Road Asset Management, LLC (+0.3%). Over the last 180 days, 3 insiders sold and none bought, a net -$13.9M in open-market trades.

Tracked 13F holders
327
178 in Q2 2026 filings
13F value (tracked)
$3.2B
Smart-money readMixed
Net sellingNet buying
Funds · active managers, latest 13F
27 adding · 18 trimming
Insiders · Form 4 open-market, 180d
0 buying · 3 selling · -$13.9M

The legs disagree, or only one of them leans.

Price & smart-money activity

$71.36 2.14%5Y +54.3%
$41.78$56.20$70.61$85.03$99.45202120222023202420252026173526447284822839234393444453143386314453549257473654535358257666361376598391937841039235570
Hover for who · click for detailEnd-of-day closing prices52w $71.36 – $92.18

Who owns AGO?

327 tracked 13F filers · ranked by shares held

327 tracked 13F filers disclose a position in AGO as of the latest SEC 13F filings, a combined $3.2B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

#FundSharesPosition valueLast moveAs ofHistory
1BlackRock, Inc.5.8M
$463.9M
+0.1%
Added · +7K sh
Q2 2026
2Vanguard Portfolio Management LLC4.0M
$317.9M
+1.0%
Added · +40K sh
Q2 2026
3Dimensional Fund Advisors LP3.0M
$245.4M
−4.5%
Reduced · −142K sh
Q1 2026
4Vanguard Capital Management LLC1.9M
$153.6M
−2.5%
Reduced · −49K sh
Q2 2026
5River Road Asset Management, LLC1.9M
$154.1M
+0.3%
Added · +6K sh
Q1 2026
6State Street Corp1.6M
$127.2M
+0.9%
Added · +14K sh
Q2 2026
7First Trust Advisors LP1.4M
$110.5M
−7.3%
Reduced · −108K sh
Q1 2026
8American Century Companies Inc1.3M
$107.2M
+8.6%
Added · +104K sh
Q1 2026
9Reinhart Partners, LLC.1.3M
$104.9M
+1.9%
Added · +24K sh
Q1 2026
10AQR Capital Management LLC860K
$69.8M
+64%
Added · +334K sh
Q1 2026
11Fuller & Thaler Asset Management, Inc.821K
$65.8M
−3.4%
Reduced · −29K sh
Q2 2026
12Principal Financial Group Inc781K
$63.6M
−3.1%
Reduced · −25K sh
Q1 2026
13Gendell Jeffrey L726K
$58.2M
+196%
Added · +481K sh
Q2 2026
14Geode Capital Management, LLC717K
$57.5M
−2.4%
Reduced · −18K sh
Q2 2026
15Boston Partners576K
$46.9M
−25%
Reduced · −191K sh
Q1 2026
16Norges Bank573K
$51.5M
+9.5%
Added · +50K sh
Q4 2025
17Goldman Sachs Group Inc571K
$46.6M
+33%
Added · +143K sh
Q1 2026
18Morgan Stanley570K
$46.4M
−4.2%
Reduced · −25K sh
Q1 2026
19Two Sigma Investments, LP523K
$42.6M
+63%
Added · +203K sh
Q1 2026
20Quantinno Capital Management LP499K
$40.7M
+33%
Added · +124K sh
Q1 2026
21Northern Trust Corp448K
$36.5M
+0.3%
Added · +1K sh
Q1 2026
22Raymond James Financial Inc416K
$33.7M
−17%
Reduced · −83K sh
Q1 2026
23Brown Advisory Inc405K
$33.0M
−7.3%
Reduced · −32K sh
Q1 2026
24Franklin Templeton Inc384K
$31.3M
+41%
Added · +112K sh
Q1 2026
25Long Focus Capital Management, LLC380K
$30.5M
Held
Q2 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is AGO being bought or sold by institutions?

Last quarter, 4 funds opened a new position in AGO and 23 added to an existing one, while 18 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened
4
funds took a first position
Added
23
added to an existing position
Reduced
18
reduced, still holding
Biggest moves · ranked by size of the change, positions above a floor

Funds that own AGO also own

CompanyCo-held byTheir position there
Microsoft CorpMSFT184 funds$225.4B
Nvidia CorpNVDA179 funds$348.2B
Amazon.com IncAMZN179 funds$176.9B
Eli Lilly & CoLLY176 funds$71.2B
Alphabet Inc-CL AGOOGL174 funds$151.4B
Meta Platforms Inc-Class AMETA174 funds$94.2B
Micron Technology IncMU174 funds$51.5B
Wells Fargo & CoWFC174 funds$17.2B
JPMorgan Chase & CoJPM173 funds$56.1B
Lam Research CorpLRCX173 funds$40.5B
Apple IncAAPL172 funds$251.3B
Bank Of America CorpBAC172 funds$28.5B

Ranked by how many of AGO's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in AGO.

Insider activity (Form 4)

Full insider page →
Sells · 180d
$13.9M
3 insiders
Net · 180d
-$13.9M
4 open-market transactions
DateInsiderRoleActionSharesValue
May 29, 2026Radtke LorinDirectorSell (S)1K$78K
May 11, 2026Bailenson RobertChief Operating OfficerSell (S)
2 lots, same day
50K$3.9M
Mar 30, 2026Borges Francisco LDirectorSell (S)124K$9.9M
Mar 23, 2026Frederico DominicPresident/CEO/Deputy Chairman, DirectorSell (S)30K$2.4M
Mar 20, 2026Frederico DominicPresident/CEO/Deputy Chairman, DirectorSell (S)20K$1.6M
Mar 4, 2026Radtke LorinDirectorSell (S)1K$106K
Sep 23, 2025Frederico DominicPresident/CEO/Deputy Chairman, DirectorSell (S)25K$2.1M
Aug 11, 2025Bailenson RobertChief Operating OfficerSell (S)40K$3.3M
May 20, 2025Frederico DominicPresident/CEO/Deputy Chairman, DirectorSell (S)10K$899K
May 19, 2025Frederico DominicPresident/CEO/Deputy Chairman, DirectorSell (S)72K$6.2M
May 13, 2025Bieling LauraChief Accounting OfficerSell (S)3K$232K
Dec 10, 2024Frederico DominicPresident/CEO/Deputy Chairman, DirectorSell (S)34K$3.0M

One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.

Do institutions, insiders and Congress agree?

The cross-source read for AGO was unavailable for this render. The API and MCP tool answer it live.

Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.

Institutional ownership over time

178 tracked filers in Q2 2026 filingsstill filing
0165330Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
tracked filers holding their reported valueQ2 2026 filings so far: $463.8M
Each bar counts tracked filers with a position in that quarter's filings, so the newest bar excludes filers still on an earlier quarter. Arkolith's tracked universe has grown over this window; part of any long-run rise is coverage, not new buyers.

Recent filings

15 most recent

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Connected entities for AGO

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Ask your agent what changed in AGO

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/AGO/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for AGO.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for AGO. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.