Das Observatorium
Ausgewählte prominente Manager — konzentrierte Value-Investoren, Aktivisten, Quants und passive Schwergewichte — quartalsweise beobachtet.
Einreichungen gehören Unternehmen, nicht Einzelpersonen – wir schreiben „Berkshire Hathaway meldete…", niemals „Buffett kaufte…". Jeder Eintrag nennt die zugehörige Person und die Art des Buches, das die 13F offenbart.
World's largest asset manager — Mostly passive/ETF assets — read size, not conviction.
49,968 Positionen · Top-10 28.1% · +196 neu · −154 Ausstiege
SPDR ETF sponsor — Passive giant; index flows dominate changes.
4,177 Positionen · Top-10 29.1% · +42 neu · −103 Ausstiege
Fidelity Investments' manager — Active + index fund complex.
13,978 Positionen · Top-10 34.0% · +235 neu · −147 Ausstiege
Bank/wealth platform — Bank-affiliated adviser aggregating client assets.
45,905 Positionen · Top-10 21.1% · +213 neu · −162 Ausstiege
Manages Fidelity index funds — Passive manager for Fidelity-branded index funds.
8,470 Positionen · Top-10 31.1% · +112 neu · −140 Ausstiege
Bank asset & wealth management — Bank-affiliated manager; broad book.
34,064 Positionen · Top-10 26.3% · +375 neu · −202 Ausstiege
Bank asset & wealth management — Bank-affiliated manager; broad book.
14,070 Positionen · Top-10 22.6% · +377 neu · −354 Ausstiege
Norway's sovereign wealth fund (NBIM) — The world's largest sovereign equity owner; near-index breadth.
1,617 Positionen · Top-10 32.4% · +1602 neu
Active fund complex — Large active growth manager.
4,722 Positionen · Top-10 32.3% · +215 neu · −111 Ausstiege
Ken Griffin (Founder & CEO) — Multi-strategy platform; heavy reported options activity — read positions with care.
16,127 Positionen · Top-10 15.9% · +1090 neu · −898 Ausstiege
Capital Group division — American Funds' long-only equity.
637 Positionen · Top-10 29.6% · +63 neu · −55 Ausstiege
Institutional asset manager — One of the largest active institutional managers.
7,448 Positionen · Top-10 25.0% · +210 neu · −159 Ausstiege
Ken Fisher (Founder) — Large RIA managing many separate accounts — breadth over conviction.
1,037 Positionen · Top-10 35.6% · +121 neu · −96 Ausstiege
Warren Buffett (Chairman & CEO) — The holding company's reported U.S. equity book; famously concentrated and long-held.
89 Positionen · Top-10 88.5% · +1 neu · −1 Ausstiege
Cliff Asness (Co-founder) — Systematic factor investing across thousands of names.
21,077 Positionen · Top-10 12.2% · +237 neu · −77 Ausstiege
Izzy Englander (Founder) — Multi-manager pod platform; aggregate positions reflect many independent teams.
5,798 Positionen · Top-10 19.4% · +494 neu · −533 Ausstiege
Quantitative institutional manager — Systematic global equity.
1,887 Positionen · Top-10 27.7% · +373 neu · −298 Ausstiege
Founded by David E. Shaw — Quantitative multi-strategy manager.
6,298 Positionen · Top-10 20.2% · +510 neu · −280 Ausstiege
Value mutual-fund manager — Long-only value funds; positions turn over slowly.
222 Positionen · Top-10 27.9% · +7 neu · −6 Ausstiege
Sub-adviser to Vanguard funds — Long-duration growth positions.
324 Positionen · Top-10 42.5% · +10 neu · −6 Ausstiege
Founded by John Overdeck & David Siegel — Quantitative manager; broad, fast-turning book.
5,017 Positionen · Top-10 8.4% · +547 neu · −334 Ausstiege
London long/short platform — Systematic + discretionary long/short.
6,550 Positionen · Top-10 40.5% · +641 neu · −604 Ausstiege
Edinburgh growth manager — Long-horizon growth investing.
880 Positionen · Top-10 44.7% · +28 neu · −24 Ausstiege
Steve Cohen (Founder) — Multi-manager platform with discretionary pods.
3,923 Positionen · Top-10 14.8% · +613 neu · −605 Ausstiege
Manager of the Oakmark funds — Long-only value funds.
226 Positionen · Top-10 31.5% · +12 neu · −7 Ausstiege
Founded by Jim Simons — Quantitative manager holding thousands of positions; single names carry little signal.
3,140 Positionen · Top-10 12.0% · +506 neu · −566 Ausstiege
Manages Harvard-lineage capital — Low-profile, benchmark-aware stock picking.
1,002 Positionen · Top-10 29.5% · +130 neu · −108 Ausstiege
Chris Hohn (Founder) — Very concentrated, long-duration positions.
11 Positionen · Top-10 98.6% · +2 neu · −1 Ausstiege
Philippe Laffont (Founder) — Technology-focused crossover manager.
211 Positionen · Top-10 61.9% · +9 neu · −5 Ausstiege
Joel Greenblatt (Co-CIO) — Systematic value; hundreds of small long positions.
1,791 Positionen · Top-10 28.4% · +174 neu · −125 Ausstiege
Founded by Andreas Halvorsen — Fundamental long/short equity.
90 Positionen · Top-10 35.7% · +32 neu · −21 Ausstiege
Endowment trust — Concentrated endowment portfolio.
24 Positionen · Top-10 94.9% · +2 neu
Founded by Ray Dalio — One of the largest macro managers; the 13F shows only its reportable U.S. long book.
997 Positionen · Top-10 40.0% · +212 neu · −208 Ausstiege
Chase Coleman (Founder) — Growth/technology crossover investing.
46 Positionen · Top-10 67.1% · +9 neu · −15 Ausstiege
Paul Singer (Founder) — Activist positions often paired with derivatives that 13Fs only partially reveal.
29 Positionen · Top-10 95.6% · +2 neu · −2 Ausstiege
Founded by Stephen Mandel — Growth-oriented long/short equity.
34 Positionen · Top-10 53.9% · +13 neu · −15 Ausstiege
Cathie Wood (CEO) — Thematic ETF manager — its 13F largely mirrors its funds' disclosed holdings.
191 Positionen · Top-10 39.5% · +15 neu · −6 Ausstiege
Insurance holding company — Buffett-style equity book inside an insurer.
205 Positionen · Top-10 42.9% · +3 neu · −2 Ausstiege
Mario Gabelli (Chairman) — Value manager with many small-cap holdings.
938 Positionen · Top-10 15.4% · +34 neu · −97 Ausstiege
Brad Gerstner (Founder) — Technology-focused crossover manager.
20 Positionen · Top-10 83.3% · +9 neu · −2 Ausstiege
Carl Icahn — Activist positions, often alongside 13D filings.
18 Positionen · Top-10 98.6%
Family office of George Soros — Macro-driven family office.
266 Positionen · Top-10 29.3% · +83 neu · −78 Ausstiege
David Tepper (President) — Opportunistic, macro-aware equity positioning.
27 Positionen · Top-10 81.6% · +6 neu · −12 Ausstiege
Co-founded by Howard Marks — Credit specialist; the 13F shows only its listed-equity sliver.
145 Positionen · Top-10 66.5% · +8 neu · −11 Ausstiege
Founded by Jeff Ubben; led by Mason Morfit — Constructive activist with board seats.
18 Positionen · Top-10 88.2% · +1 neu · −1 Ausstiege
Larry Robbins (CEO) — Healthcare-heavy fundamental manager.
45 Positionen · Top-10 64.1% · +12 neu · −11 Ausstiege
Seth Klarman (CEO) — Value investor; much of the portfolio (cash, credit, private) never appears in a 13F.
23 Positionen · Top-10 74.9% · +3 neu · −2 Ausstiege
Stanley Druckenmiller (Chairman) — Macro-aware equity family office.
95 Positionen · Top-10 52.4% · +44 neu · −23 Ausstiege
Daniel Loeb (CEO) — Event-driven and activist equity manager.
43 Positionen · Top-10 60.6% · +14 neu · −9 Ausstiege
Jeff Smith (CEO) — Activist campaigns in mid-cap companies.
22 Positionen · Top-10 84.3% · +2 neu · −4 Ausstiege
Nelson Peltz (CEO) — Concentrated operational activism.
9 Positionen · Top-10 100.0%
David Einhorn (President) — Long/short value manager (adviser entity renamed DME Capital Management) — 13F shows reportable longs only.
95 Positionen · Top-10 52.8% · +7 neu · −6 Ausstiege
Li Lu (Founder) — Very concentrated value book.
8 Positionen · Top-10 100.0% · −6 Ausstiege
Prem Watsa (Chairman) — Insurance holding company's equity portfolio.
32 Positionen · Top-10 90.8% · +6 neu · −3 Ausstiege
Classic Graham-and-Dodd firm — Old-school value manager.
91 Positionen · Top-10 69.2% · +13 neu · −15 Ausstiege
Mohnish Pabrai (Managing Partner) — Ultra-concentrated value vehicle.
4 Positionen · Top-10 100.0% · +1 neu
Bill Ackman (CEO) — Concentrated activist positions in a small number of large companies.
Positionsauswertung in Bearbeitung
Michael Burry (Founder) — Small, concentrated book; reported options make headline positions easy to misread.
Positionsauswertung in Bearbeitung
Index-fund pioneer — Passive giant — position changes mostly reflect index flows, not views.
Positionsauswertung in Bearbeitung