Arminia Bielefeld
In: Mervin Kalac (Lippstadt, end of loan), Noel Niemann (Türkgücü Munich, end of loan), Can Hayri Özkan (Naestved, end of loan)
Out: Ritsu Doan (PSV Eindhoven, end of loan), Joan Simun Edmundsson (out of contract), Anderson Lucoqui (Mainz), Arne Maier (Hertha Berlin, end of loan), Joey Müller (Schalke), Masaya Okugawa (Red Bull Salzburg, end of loan), Nils Seufert (Greuther Fürth), Cebio Soukou (out of contract), Michel Vlap (Anderlecht, end of loan), Reinhold Yabo (retired)
Augsburg
In: Sergio Cordova (Arminia Bielefeld, end of loan), Kevin Danso (Fortuna Düsseldorf, end of loan), Felix Götze (Kaiserslautern, end of loan), Lasse Günther (Bayern Munich), Maurice Malone (Wehen Wiesbaden, end of loan), Jozo Stanic (Zwickau, end of loan), Frederik Winther (Lyngby, end of loan)
Out: Laszlo Benes (Borussia Mönchengladbach, end of loan), Rani Khedira (Union Berlin), Julian Schieber (retired), Marek Suchy (out of contract)
Bayer Leverkusen
In: Ayman Azhil (Waalwijk, end of loan), Joel Pohjanpalo (Union Berlin, end of loan), Panagiotis Retsos (Saint-Etienne, end of loan)
Out: Santiago Arias (Atletico Madrid, end of loan), Lars Bender (retired), Sven Bender (retired), Aleksandar Dragovic (Red Star Belgrade)
Bayern Munich
In: Michael Cuisance (Marseille, end of loan), Adrian Fein (PSV Eindhoven, end of loan), Christian Früchtl (Nuremberg, end of loan), Lasse Günther (Augsburg), Lukas Mai (end of loan), Chris Richards (Hoffenheim, end of loan), Omar Richards (Reading), Dayot Upamecano (RB Leipzig), Joshua Zirkzee (Parma, loan return)
Out: David Alaba (out of contract), Jerome Boateng (out of contract), Douglas Costa (Juventus, end of loan), Tiago Dantas (Benfica, end of loan), Javi Martinez (out of contract), Angelo Stiller (Hoffenheim)
Bochum
In: Christopher Antwi-Adjei (Paderborn), Lars Holtkamp (Wuppertal, end of loan), Moritz Römling (Wuppertal, end of loan)
Out: -
Borussia Dortmund
In: Leonardo Balerdi (Marseille, end of loan), Soumaila Coulibaly (Paris Saint-Germain), Sergio Gomez (Huesca, end of loan), Gregor Kobel (VfB Stuttgart), Immanuel Pherai (Zwolle, end of loan), Marius Wolf (Cologne, end of loan)
Out: Lukasz Piszczek (Goczalkowice), Marcel Schmelzer (out of contract), Jeremy Toljan (Sassuolo, loan made permanent)
Borussia Mönchengladbach
In: Laszlo Benes (Augsburg, end of loan), Keanan Bennetts (Ipswich Town, end of loan), Kouadio Kone (Toulouse, end of loan), Moritz Nicolas (Osnabrück, end of loan), Andreas Poulsen (Austria Vienna, end of loan), Hannes Wolf (RB Leipzig, loan made permanent)
Out: Max Grün (out of contract), Valentino Lazaro (Inter Milan, end of loan), Ibrahima Traore (out of contract), Julio Villalba (out of contract), Oscar Wendt (IFK Göteborg)
Cologne
In: Vincent Koziello (Nacional, end of loan), Dejan Ljubicic (Rapid Vienna), Anthony Modeste (Saint-Etienne, end of loan), Tomas Ostrak (Karvina, end of loan), Marcel Risse (Viktoria Köln, end of loan), Louis Schaub (Luzern, end of loan), Kingsley Schindler (Hannover, end of loan), Lasse Sobiech (FC Zurich, end of loan)
Out: Tolu Arokodare (Valmiera, end of loan), Emmanuel Dennis (Club Brugge, end of loan), Marco Höger (out of contract), Elvis Rexhbecaj (Wolfsburg, end of loan), Birger Verstraete (Royal Antwerp, loan made permanent), Marius Wolf (Borussia Dortmund, end of loan), Ron-Robert Zieler (Hannover, end of loan)
Eintracht Frankfurt
In: Fabio Blanco (Valencia), Danny da Costa (Mainz, end of loan), Dejan Joveljic (Wolfsberger, end of loan), Christopher Lenz (Union Berlin), Goncalo Paciencia (Schalke, end of loan), Diant Ramaj (Heidenheim), Frederik Rönnow (Schalke, end of loan), Nils Stendera (Lok. Leipzig, end of loan), Rodrigo Zalazar (St. Pauli, end of loan)
Out: Yannick Brugger (out of contract), Lukas Fahrnberger (out of contract), Luka Jovic (Real Madrid, end of loan), Dominik Kohr (Mainz, loan extended), Jabez Makanda (out of contract), Markus Schubert (Schalke, end of loan), Jetro Willems (out of contract)
Freiburg
In: Amir Abrashi (Basel, end of loan), Brandon Borrello (Fortuna Düsseldorf, end of loan), Patrick Kammerbauer (Eintracht Braunschweig, end of loan), Florian Kath (Magdeburg, end of loan), Chima Okoroji (Paderborn, end of loan), Nico Schlotterbeck (Union Berlin, end of loan)
Out: Luca Itter (Greuther Fürth, loan), Changhoon Kwon (military service), Florian Müller (Mainz, end of loan), Lino Tempelman (Nuremberg, loan), Niclas Thiede (Verl, loan), Guus Til (Spartak Moscow, end of loan)
Greuther Fürth
In: Max Christiansen (Waldhof Mannheim), Alexander Lungwitz (Bayern Munich reserves, end of loan), Nils Seufert (Arminia Bielefeld)
Out: Marijan Cavar (out of contract), Sebastian Ernst (Hannover), Paul Jaeckel (Union Berlin), Mergim Mavraj (out of contract), David Raum (Hoffenheim)
Hertha Berlin
In: Dennis Jastrzembski (Waldhof Mannheim, end of loan), Arne Maier (Arminia Bielefeld, end of loan(), Davie Selke (Werder Bremen, end of loan)
Out: Matteo Guendouzi (Arsenal, end of loan), Sami Khedira (retired), Nemanja Radonjic (Marseille, end of loan)
Hoffenheim
In: Jacob Bruun Larsen (Anderlecht, end of loan), Ilkay Elmkies (Den Haag, end of loan), Justin Hoogma (Utrecht, end of loan), David Raum (Greuther Fürth), Angelo Stiller (Bayern Munich)
Out: Chris Richards (Bayern Munich, end of loan), Sebastian Rudy (Schalke, end of loan), Ryan Sessegnon (Tottenham Hotspur, end of loan)
Mainz
In: Issah Abass (Twente, end of loan), Dongwon Ji (Eintracht Braunschweig, end of loan), Dominik Kohr (Eintracht Frankfurt, loan extended), Anderson Lucoqui (Arminia Bielefeld), Aaron Martin (Celta Vigo, end of loan), Jonathan Meier (Dynamo Dresden, end of loan), Florian Müller (Freiburg, end of loan), Ronael Pierre-Gabriel (Stade Brest, end of loan)
Out: Danny da Costa (Eintracht Frankfurt, end of loan), Robert Glatzel (Cardiff City, end of loan), Danny Latza (Schalke), Dimitri Lavalee (St. Truiden, loan), Phillipp Mwene (out of contract), Levin Öztunali (Union Berlin),
RB Leipzig
In: Angelino (Manchester City, loan made permanent), Brian Brobbey (Ajax), Luan Candido (RB Bragantino, end of loan), Josko Gvardiol (Dinamo Zagreb), Benjamin Henrichs (Monaco, loan made permanent), Ademola Lookman (Fulham, end of loan), Marcelo Saracchi (Galatasaray, end of loan), Mohamed Simakan (Strasbourg)
Out: Justin Kluivert (Roma, end of loan), Ibrahima Konate (Liverpool), Dayot Upamecano (Bayern Munich), Hannes Wolf (Borussia Mönchengladbach, loan made permanent)
Union Berlin
In: Suleiman Abdullahi (Eintracht Braunschweig, end of loan), Laurenz Dehl (Halle, end of loan), Keita Endo (Yokohama Marinos, loan made permanent), Genki Haraguchi (Hannover), Paul Jaeckel (Greuther Fürth), Julius Kade (Dynamo Dresden), Rani Khedira (Augsburg), Tim Maciejewski (Klagenfurt, end of loan), Lennart Moser (Klagenfurt, end of loan), Levin Öztunali (Mainz), Nicolai Rapp (Darmstadt, end of loan), Tymoteusz Puchacz (Lech Poznan), Pawel Wszolek (Legia Warsaw)
Out: Taiwo Awoniyi (Liverpool, end of loan), Christian Gentner (out of contract), Akaki Gogia (out of contract), Florian Hübner (Nuremberg), Loris Karius (Liverpool, end of loan), Christopher Lenz (Eintracht Frankfurt), Petar Musa (Slavia Prague, end of loan), Joel Pohjanpalo (Bayer Leverkusen, end of loan), Nico Schlotterbeck (Freiburg, end of loan)
VfB Stuttgart
In: Naouirou Ahamada (Juventus, loan made permanent), Maxime Awoudja (Türkgücü Munich, end of loan), Ömer Beyaz (Fenerbahce), Alou Kuol (Central Coast Mariners), Pablo Maffeo (Huesca, end of loan), Nikolas Nartey (Sandhausen, end of loan)
Out: Gonzalo Castro (out of contract), Marcin Kaminski (Schalke), Konstantinos Mavropanos (Arsenal, end of loan)
Wolfsburg
In: Omar Marmoush (St. Pauli, end of loan), Elvis Rexhbecaj (Cologne, end of loan), Marvin Stefaniak (Dynamo Dresden, end of loan), Aster Vranckx (Mechelen), William (Schalke, end of loan)
Out: Jeffrey Bruma (out of contract), Felix Klaus (Fortuna Düsseldorf, loan made permanent), Maximilian Philipp (Dynamo Moscow, end of loan)