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$NMIH
$42.58 -$0.25 (0.58%) Close

Ownership

13F as of Q2 2026 · 75.2M shares outstanding

Who owns NMIH?

By type of holder
Institutions 98.9% Insiders 0.0% Everyone else 1.1%
Concentration Top 10 holders own 50.3%
BlackRock, Inc. 17.5% · Dimensional Fund Advisors LP 6.2%
Institutional ownership
98.9%
+0.5 pts vs last qtr
Institutional holders
356
-6 vs last qtr
Net shares bought
+340.8K
by institutions in Q2 2026
New / sold out
41 / 47
positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026
  • Donald Smith & Co., Inc. +484.9K
  • American Century Companies Inc +326.5K

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Biggest sellers in Q2 2026
  • Capital International Investors SOLD OUT −1.2M
  • Qube Research & Technologies Ltd −290.5K

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Who is planning to sell?

Notices of proposed sale, last 12 months
$19.7M
15 notices from 8 people
Shares covered
472.8K
0.63% of the company
Arranged in advance
0%
of the value is under a 10b5-1 plan
Under a 10b5-1 plan No plan
$0$4.3M$8.6MNov 2025: $748.8K without a planNovDecJanFeb 2026: $4.5M without a planFebMar 2026: $2.8M without a planMarAprMay 2026: $58.9K without a planMayJunJul 2026: $2.5M without a planJulAug 2026: $535.8K without a planAugSep 2026: $8.6M without a planSepOct
Largest proposed sellers
  • Adam Pollitzer Officer $8.56M
  • Bradley M Shuster Officer $5.81M

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Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025
+29.9%
+2.95% a year
Each share's claim on the business
−23.0%
shrank without buying or selling a share
Spent on buybacks vs paid in stock
$351M vs $142M
over 10 fiscal years
Diluted shares, split-adjusted
59.0M73.4M87.8M2016: 60.8M shares'162017: 62.2M shares'172018: 67.7M shares'182019: 69.7M shares'192020: 79.3M shares'202021: 86.9M shares'212022: 86.0M shares'222023: 83.9M shares'232024: 81.3M shares'242025: 79.0M shares'25
Buybacks Stock-based comp
$0$52.5M$105.1M2016 buybacks: $02016 stock comp: $6.9M'162017 buybacks: $02017 stock comp: $9.5M'172018 buybacks: $02018 stock comp: $12.6M'182019 buybacks: $02019 stock comp: $13.0M'192020 buybacks: $02020 stock comp: $11.1M'202021 buybacks: $02021 stock comp: $16.7M'212022 buybacks: $56.6M2022 stock comp: $15.4M'222023 buybacks: $91.6M2023 stock comp: $16.9M'232024 buybacks: $97.6M2024 stock comp: $19.8M'242025 buybacks: $105.1M2025 stock comp: $20.2M'25

How patient are the owners?

Institutional shares by how long they've been held
5+ years75% 3–5 years9% 1–3 years10% Under 1 year6%
Quarterly turnover
7.6%
of institutional shares changed hands
Top 10 managers, median time held
5 years

Super Investors

Investment managers reporting NMIH on Form 13F
B
BlackRock, Inc.
Shares
13.2M
% of company
17.53%
Change vs last qtr
+326.2K (+2.5%)
Held since
≤2021
DF
Dimensional Fund Advisors LP
Shares
4.7M
% of company
6.20%
Change vs last qtr
+314.1K (+7.2%)
Held since
≤2021

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Institutional Funds

Mutual funds and ETFs reporting NMIH on Form N-PORT; together they hold 51.3% of the company
Position value
$188M
% of company
6.09%
% of the fund
0.17%
As of
June 30, 2026
VT
Position value
$99.2M
% of company
3.21%
% of the fund
0.00%
As of
June 30, 2026

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