OTTER TAIL CORP

Ticker: OTTR CUSIP: 689648103 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
BlackRock, Inc.6,391,447$516,493
VANGUARD GROUP INC5,059,480$408,857
STATE STREET CORP1,561,440$126,180
GEODE CAPITAL MANAGEMENT, LLC1,019,262$82,385
DIMENSIONAL FUND ADVISORS LP850,729$68,751
FIRST TRUST ADVISORS LP810,638$65,508
MORGAN STANLEY562,289$45,439
CAISSE DE DEPOT ET PLACEMENT DU QUEBEC554,733$44,828
LSV ASSET MANAGEMENT536,941$43
CHARLES SCHWAB INVESTMENT MANAGEMENT INC532,691$43,047
GABELLI FUNDS LLC469,100$37,908
JPMORGAN CHASE & CO418,928$33,854
NORTHERN TRUST CORP414,778$33,518
Bank of New York Mellon Corp358,577$28,977
ADAGE CAPITAL PARTNERS GP, L.L.C.344,149$27,811
GOLDMAN SACHS GROUP INC329,157$26,599
BANK OF AMERICA CORP /DE/325,120$26,273
GAMCO INVESTORS, INC. ET AL272,350$22,009
TWO SIGMA INVESTMENTS, LP271,653$21,952
D. E. Shaw & Co., Inc.248,239$20,060
Invesco Ltd.231,178$18,681
FEDERATED HERMES, INC.205,346$16,594
Qube Research & Technologies Ltd201,274$16,265
PRINCIPAL FINANCIAL GROUP INC199,623$16,132
Public Sector Pension Investment Board193,919$15,671
MARSHALL WACE, LLP173,429$14,015
TWO SIGMA ADVISERS, LP161,100$13,018
Nuveen, LLC152,022$12,285
MILLENNIUM MANAGEMENT LLC146,518$11,840
JANE STREET GROUP, LLC139,137$11,244
ROYAL BANK OF CANADA136,237$11,010
VICTORY CAPITAL MANAGEMENT INC128,413$10,377
Bank & Trust Co122,016$9,860
CITADEL ADVISORS LLC115,209$9,310
VOLORIDGE INVESTMENT MANAGEMENT, LLC112,021$9,052
HRT FINANCIAL LP111,894$9
Legal & General Group Plc103,327$8,350
AMERIPRISE FINANCIAL INC98,493$7,959
Phocas Financial Corp.97,678$7,893
RHUMBLINE ADVISERS97,311$7,864
UBS Group AG95,588$7,724
UBS ASSET MANAGEMENT AMERICAS INC93,303$7,540
PRUDENTIAL FINANCIAL INC92,524$7,477
WHITTIER TRUST CO90,046$7,375
DENALI ADVISORS LLC88,703$7,168
Squarepoint Ops LLC83,926$6,782
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC83,569$6,753
Brandywine Global Investment Management, LLC82,701$6,683
ProShare Advisors LLC79,635$6,435
WELLS FARGO & COMPANY/MN77,728$6,281
BNP PARIBAS ARBITRAGE, SA76,766$6,203
TUDOR INVESTMENT CORP ET AL75,005$6,061
Swiss National Bank74,400$6,012
Buck Wealth Strategies, LLC72,905$5,891
NEW YORK STATE COMMON RETIREMENT FUND69,282$5,599
BARCLAYS PLC65,900$5,325
LPL Financial LLC64,048$5,176
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND62,918$5,084
Universal- Beteiligungs- und Servicegesellschaft mbH56,235$4,550
CBOE Vest Financial, LLC54,476$4,402
WHITTIER TRUST CO OF NEVADA INC48,186$3,946
Man Group plc47,320$3,824
ALLIANCEBERNSTEIN L.P.45,887$3,708
PRICE T ROWE ASSOCIATES INC /MD/44,543$4
MUFG Securities EMEA plc44,000$3,556
RAYMOND JAMES FINANCIAL INC42,650$3,447
Thrivent Financial for Lutherans41,187$3
Palisades Investment Partners, LLC40,891$3,304
AMERICAN CENTURY COMPANIES INC39,917$3,226
CITIGROUP INC38,463$3,108
BENJAMIN EDWARDS INC38,294$3,095
FIRST MANHATTAN CO. LLC.38,210$3,088
FRANKLIN RESOURCES INC36,993$2,989
US BANCORP \DE\36,733$2,968
GREAT WEST LIFE ASSURANCE CO /CAN/36,314$3
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM35,754$2,889
BRIDGEWAY CAPITAL MANAGEMENT, LLC35,600$2,877
WELLINGTON MANAGEMENT GROUP LLP35,029$2,831
DEUTSCHE BANK AG\35,017$2,830
OSAIC HOLDINGS, INC.34,482$2,788
MARTINGALE ASSET MANAGEMENT L P33,241$2,686
XTX Topco Ltd32,434$2,621
Connor, Clark & Lunn Investment Management Ltd.31,911$2,579
ROYCE & ASSOCIATES LP31,728$2,564
Financial Engines Advisors L.L.C.30,590$2,472
AlphaQuest LLC30,566$2,470
State of New Jersey Common Pension Fund D26,319$2,127
ExodusPoint Capital Management, LP25,973$2,099
Mariner, LLC25,546$2,064
DARK FOREST CAPITAL MANAGEMENT LP25,090$2,028
JOHN G ULLMAN & ASSOCIATES INC24,950$2,016
Trexquant Investment LP23,894$1,931
COMMONWEALTH EQUITY SERVICES, LLC23,685$1,914
Elo Mutual Pension Insurance Co23,106$1,867
CAPSTONE INVESTMENT ADVISORS, LLC22,949$1,855
STATE OF WISCONSIN INVESTMENT BOARD22,401$1,810
Illinois Municipal Retirement Fund22,205$1,794
ALPS ADVISORS INC21,695$1,753
State of Alaska, Department of Revenue21,338$2
MetLife Investment Management, LLC21,098$1,705
252 other institutions1,210,659$87,016
Total (352 institutions)28,324,352$2,214,299