Security key
86183P102
- Security type / class
- Equity / Common Stock
- Total 13F shares
- 25,720,827
- Total 13F value
- $817,600,065
- Share change
- -144,140
- Put/Call ratio
- 118%
- SEC-reported price per share
- $31.81
- Number of holders
- 119
- Value change
- -$3,855,287
- Number of buys
- 48
- Number of sells
- 61
- Shares outstanding
- 28,041,900
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2021
Institutions
119
Top holders
10
SRI full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
STONERIDGE INC SEC filings
STONERIDGE INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 86183P102
Recent filing periods:
Ownership snapshot
Top reported holders of SRI - STONERIDGE INC - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
FRONTIER CAPITAL MANAGEME...
Disclosed value leader
FRONTIER CAPITAL MANAGEME...
Comparable rows
0/15
Latest evidence
31 Dec 2020
13F
Highest disclosed value: $65,151,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
FRONTIER CAPITAL MANAGEMENT CO LLC has the largest disclosed position value at $65.15M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens FRONTIER CAPITAL MANAGEMENT CO LLC's linked filing trail.
Disclosed position value
Top 5
FRONTIER CAPITAL MANAGEMENT CO LLC
$65.15M
BlackRock Finance, Inc.
$60.43M
PRICE T ROWE ASSOCIATES INC /MD/
$52.44M
Janus Henderson Group Ltd.
$51.07M
DIMENSIONAL FUND ADVISORS LP
$49.78M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| FRONTIER CAPITAL MANAGEMENT CO LLC |
13F
Company
|
—
denominator unverified
|
$65,151,000
2,155,173 shares
|
— | 31 Dec 2020 |
| BlackRock Finance, Inc. |
13F
Company
|
—
denominator unverified
|
$60,432,000
1,999,076 shares
|
— | 31 Dec 2020 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
—
denominator unverified
|
$52,438,000
1,734,644 shares
|
— | 31 Dec 2020 |
| Janus Henderson Group Ltd. |
13F
Company
|
—
denominator unverified
|
$51,073,000
1,689,494 shares
|
— | 31 Dec 2020 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
denominator unverified
|
$49,782,000
1,646,765 shares
|
— | 31 Dec 2020 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$41,328,000
1,367,130 shares
|
— | 31 Dec 2020 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
119
Shares
25,720,827
Rows available
119
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2021 vs Q2 2026 Across Filers
Q2 2026 holders
111
Q1 2021 holders
119
Holder diff
8
| Investor | Q2 2026 Shares | Q1 2021 Shares | Share Diff | Share Chg % | Q2 2026 value | Q1 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend