OTTR
Otter Tail Corp
Electric ServicesNasdaqLarge accelerated filer
Total Trades
3
Buys
0
Sells
3
Largest Trade
$100K–$500K
Insiders
2
Institutional Funds
296
Inst. Value
$1M+
Activist Filings
5
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| KNUTSON PAUL L | VP, Human Resources | SELL | $100K–$500K | 4K | $90.66 | May 28, 2024 |
| ERICKSON JOHN D | Director | SELL | $100K–$500K | 3K | $77.36 | Nov 20, 2023 |
| ERICKSON JOHN D | Director | SELL | $100K–$500K | 2K | $56.31 | Nov 22, 2022 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 296 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 1.6M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 887K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 814K | $1M+ | SH |
| CAISSE DE DEPOT ET PLACEMENT DU QUEBEC | 555K | $1M+ | SH |
| LSV ASSET MANAGEMENT | 537K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 533K | $1M+ | SH |
| GABELLI FUNDS LLC | 469K | $1M+ | SH |
| GAMCO INVESTORS, INC. ET AL | 272K | $1M+ | SH |
| VANGUARD GROUP INC | 266K | $1M+ | SH |
| PRINCIPAL FINANCIAL GROUP INC | 198K | $1M+ | SH |
| PUBLIC SECTOR PENSION INVESTMENT BOARD | 194K | $1M+ | SH |
| MARSHALL WACE, LLP | 173K | $1M+ | SH |
| VICTORY CAPITAL MANAGEMENT INC | 128K | $1M+ | SH |
| Bank & Trust Co | 122K | $1M+ | SH |
| BlackRock, Inc. | 115K | $1M+ | SH |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | 112K | $1M+ | SH |
| HRT FINANCIAL LP | 112K | $1M+ | SH |
| Phocas Financial Corp. | 98K | $1M+ | SH |
| Phocas Financial Corp. | 98K | $1M+ | SH |
| RHUMBLINE ADVISERS | 97K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13D/A · Oct 3, 2024
7.1%
3.0M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
12.1%
5.0M shares
SC 13G/A · Jan 22, 2024
15.8%
6.6M shares
SC 13G/A · Mar 8, 2023
16.7%
6.9M shares
SC 13G/A · Jan 31, 2023
7.5%
3.1M shares