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Which hedge funds own RMBS? RAMBUS INC DEL, Q2 2026 13F holders

TechnologySemiconductors

54 tracked hedge funds disclosed a position in RMBS (RAMBUS INC DEL) in their Q2 2026 13F filings, worth $776.8m in total. The largest holder by portfolio weight is Shannon River Fund Management LLC at 3.5% of its book. 26 opened a new position this quarter: Maple Rock Capital Partners Inc., Catalyst Funds Management Pty Ltd, Duquesne Family Office LLC, Maytree Asset Management Ltd. 12 exited: AI-Squared Management Ltd, Sunstone Asset Management, LP, Tairen Capital Ltd.

54
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
26
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
12
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$147m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$35.2m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$777m
Combined value
Sum of the holders' reported positions in the security.
4.4%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

54 rows
Shannon River Fund Management LLC Hedge fund3.5%$38.7m291,713−13%reduced
Deepwater Asset Management, LLC Hedge fund2.7%$5.9m44,634−23%reduced
PointState Capital LP Hedge fund1.8%$101m764,172+9.0%added
Maple Rock Capital Partners Inc. Hedge fund0.9%$45.5m342,600–new
Alight Capital Management LP Hedge fund0.9%$5.3m40,000−60%reduced
Catalyst Funds Management Pty Ltd Hedge fund0.7%$11.8m88,800–new
Duquesne Family Office LLC Family office0.5%$23.0m173,000–new
ArrowMark Colorado Holdings LLC Hedge fund0.5%$11.9m89,514−66%reduced
Maytree Asset Management Ltd Hedge fund0.4%$665k5,012–new
Arrowpoint Investment Partners (Singapore) Pte. Ltd. Hedge fund0.4%$1.3m9,559–new
FORA Capital, LLC Hedge fund0.3%$5.1m38,223+152%added
Twinbeech Capital LP Hedge fund0.3%$1.9m14,307–new
Corient IA LP Hedge fund0.3%$296k2,2300.0%held
Y-Intercept (Hong Kong) Ltd Hedge fund0.2%$12.6m94,680+157%added
AlphaGrep UK Ltd Hedge fund0.2%$789k5,945+123%added
Fox Run Management, L.L.C. Hedge fund0.2%$917k6,907+144%added
Weiss Asset Management LP Hedge fund0.1%$9.8m73,781+17%added
SummitTX Capital, L.P. Hedge fund0.1%$3.8m28,885−64%reduced
Entropy Technologies, LP Hedge fund0.10%$2.4m17,987–new
Prelude Capital Management, LLC Hedge fund0.09%$1.3m9,533+15%added
Diametric Capital, LP Hedge fund0.09%$863k6,504–new
Tudor Investment Corp ET AL Hedge fund0.09%$20.9m157,155–new
Twin Tree Management, LP Hedge fund0.08%$530k3,992–new
Brevan Howard Capital Management LP Hedge fund0.08%$5.7m43,098–new
Axiom Investors LLC Hedge fund0.07%$8.5m63,690−54%reduced
Engineers Gate Manager LP Hedge fund0.06%$4.8m35,888–new
D. E. Shaw & Co., Inc. Hedge fund0.06%$98.2m739,701+5677%added
Discovery Capital Management, LLC Hedge fund0.05%$1.3m9,965–new
AQR Capital Management LLC Hedge fund0.05%$152m1.21m−3.2%reduced
Sona Asset Management (US) LLC Hedge fund0.05%$1.3m10,000–new
ExodusPoint Capital Management, LP Hedge fund0.05%$5.1m38,091–new
CenterBook Partners LP Hedge fund0.05%$925k6,968+29%added
Millennium Management LLC Hedge fund0.04%$62.8m472,818+235%added
Campbell & CO Investment Adviser LLC Hedge fund0.04%$762k5,740–new
Dark Forest Capital Management LP Hedge fund0.03%$535k4,030–new
Wexford Capital LP Hedge fund0.03%$242k1,823–new
Laurion Capital Management LP Hedge fund0.03%$453k3,414–new
Citadel Advisors LLC Hedge fund0.03%$53.1m400,151+2326%added
WCM Investment Management Long-only investor0.03%$16.2m130,986−21%reduced
Parallax Volatility Advisers, L.P. Hedge fund0.02%$607k4,573–new
Two Sigma Investments, LP Hedge fund0.02%$29.6m222,921+188%added
Persistent Asset Partners Ltd Hedge fund0.02%$48.8k368–new
Hudson Bay Capital Management LP Hedge fund0.01%$2.9m22,020–new
Qube Research & Technologies Ltd Hedge fund0.01%$11.9m89,539–new
Graham Capital Management, L.P. Hedge fund0.01%$442k3,330–new
Schonfeld Strategic Advisors LLC Hedge fund0.01%$1.9m14,000–new
Walleye Capital LLC Hedge fund0.01%$1.7m12,815+67347%added
Marshall Wace, LLP Hedge fund0.01%$7.5m56,425+921%added
Maverick Capital Ltd Hedge fund0.01%$572k4,309−67%reduced
Bridgewater Associates, LP Hedge fund0.0%$514k3,871−93%reduced