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377 hedge funds and large institutions have $6B invested in Rambus in 2024 Q1 according to their latest regulatory filings, with 53 funds opening new positions, 154 increasing their positions, 135 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

95% more call options, than puts

Call options by funds: $99.2M | Put options by funds: $51M

14% more repeat investments, than reductions

Existing positions increased: 154 | Existing positions reduced: 135

0% more funds holding in top 10

Funds holding in top 10: 44 (0)

1.46% less ownership

Funds ownership: 91.09%89.63% (-1.5%)

5% less funds holding

Funds holding: 398377 (-21)

10% less capital invested

Capital invested by funds: $6.68B → $6B (-$686M)

24% less first-time investments, than exits

New positions opened: 53 | Existing positions closed: 70

Holders
377
Holders Change
-21
Holders Change %
-5.28%
% of All Funds
5.43%
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.06%
New
53
Increased
154
Reduced
135
Closed
70
Calls
$99.2M
Puts
$51M
Net Calls
+$48.2M
Net Calls Change
+$5.12M
Name Holding Trade Value Shares
Change
Change in
Stake
Stifel Financial
101
Stifel Financial
Missouri
$5.08M -$121K -1,907 -2%
Man Group
102
Man Group
United Kingdom
$4.99M +$1.12M +17,665 +28%
TIM
103
Thornburg Investment Management
New Mexico
$4.96M -$125K -1,978 -2%
D.E. Shaw & Co
104
D.E. Shaw & Co
New York
$4.73M -$1.32M -20,906 -21%
ITFISA
105
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna
$4.72M -$70.3K -1,111 -1%
New York State Teachers Retirement System (NYSTRS)
106
New York State Teachers Retirement System (NYSTRS)
New York
$4.65M +$153K +2,411 +3%
JSP
107
Jackson Square Partners
California
$4.29M -$578K -9,131 -12%
Comerica Bank
108
Comerica Bank
Texas
$4.29M +$1.49M +23,526 +51%
Jane Street
109
Jane Street
New York
$4.08M -$13.6M -215,079 -77%
VA
110
Vident Advisory
Georgia
$4.06M +$379K +5,991 +10%
HIM
111
Hillsdale Investment Management
Ontario, Canada
$4M +$4.09M +64,620 +80,775%
PI
112
PineBridge Investments
New York
$3.98M +$4.08M +64,429 New
State of New Jersey Common Pension Fund D
113
State of New Jersey Common Pension Fund D
New Jersey
$3.86M
Russell Investments Group
114
Russell Investments Group
United Kingdom
$3.81M +$26.8K +423 +0.7%
TRSOTSOK
115
Teachers Retirement System of the State of Kentucky
Kentucky
$3.72M -$157K -2,481 -4%
Assenagon Asset Management
116
Assenagon Asset Management
Luxembourg
$3.67M -$5.6M -88,501 -60%
Two Sigma Advisers
117
Two Sigma Advisers
New York
$3.64M +$570K +9,000 +18%
ACA
118
Apis Capital Advisors
New York
$3.58M +$3.67M +58,000 New
Prudential Financial
119
Prudential Financial
New Jersey
$3.5M +$1.54M +24,275 +75%
AB
120
Amalgamated Bank
New York
$3.48M -$762K -12,036 -18%
MAP
121
Moody Aldrich Partners
Massachusetts
$3.33M +$319K +5,034 +10%
CFM
122
Catalyst Funds Management
Australia
$3.33M +$3.4M +53,800 New
RHJA
123
Rice Hall James & Associates
California
$3.32M -$747K -11,811 -18%
1CM
124
1492 Capital Management
Wisconsin
$3.22M +$3.3M +52,112 New
Janus Henderson Group
125
Janus Henderson Group
United Kingdom
$3.15M +$63 +1 +0%

RMBS Hedge Fund Activity: Q1 2024 in Review

377 of the 6,942 institutional investors tracked by Wall St. Rank reported a position in Rambus (RMBS) for Q1 2024, worth a combined $6B — down 10% from $6.68B a quarter earlier.

Sellers outnumbered buyers: 70 funds closed out of RMBS and 53 opened new positions — a net loss of 17 holders — while 135 trimmed existing stakes and 154 added.

The largest buyer was JP Morgan Chase, adding an estimated $76.4M. The largest seller was Millennium Management, cutting an estimated $117M.

  • 377 institutional investors held Rambus (RMBS) as of Q1 2024, down from 398 in Q4 2023.
  • Funds reported $6B of Rambus stock for Q1 2024, down 10% quarter-over-quarter.
  • 53 funds opened new Rambus positions in Q1 2024 and 70 closed out, a net change of -17 holders.
  • The largest Rambus buyer in Q1 2024 was JP Morgan Chase, an estimated $76.4M added.
  • The largest Rambus seller in Q1 2024 was Millennium Management, an estimated $117M sold.

Based on aggregated 13F filings for Q1 2024.