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Rambus

213 hedge funds and large institutions have $1.86B invested in Rambus in 2021 Q1 according to their latest regulatory filings, with 30 funds opening new positions, 57 increasing their positions, 86 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed

11% more capital invested

Capital invested by funds: $1.68B → $1.86B (+$184M)

1.42% more ownership

Funds ownership: 84.29%85.7% (+1.4%)

7% more call options, than puts

Call options by funds: $18.9M | Put options by funds: $17.6M

0% more funds holding in top 10

Funds holding in top 10: 22 (0)

5% less funds holding

Funds holding: 224213 (-11)

21% less first-time investments, than exits

New positions opened: 30 | Existing positions closed: 38

34% less repeat investments, than reductions

Existing positions increased: 57 | Existing positions reduced: 86

Holders
213
Holders Change
-11
Holders Change %
-4.91%
% of All Funds
3.74%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.04%
New
30
Increased
57
Reduced
86
Closed
38
Calls
$18.9M
Puts
$17.6M
Net Calls
+$1.26M
Net Calls Change
+$10.1M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$357M +$10.4M +516,918 +3%
Vanguard Group
2
Vanguard Group
Pennsylvania
$233M +$5.62M +279,883 +2%
LLL
3
Lynrock Lake LP
New York
$128M +$21.6M +1,076,370 +20%
Ameriprise
4
Ameriprise
Minnesota
$98.9M +$10M +498,329 +11%
State Street
5
State Street
Massachusetts
$93.4M +$10.8M +537,541 +13%
Neuberger Berman Group
6
Neuberger Berman Group
New York
$81.5M +$21.5M +1,070,201 +34%
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$76.3M -$11.3M -563,066 -13%
Loomis, Sayles & Company
8
Loomis, Sayles & Company
Massachusetts
$50.1M +$8.17M +406,632 +19%
SAM
9
Silvercrest Asset Management
New York
$49M -$6.47M -321,912 -11%
Wellington Management Group
10
Wellington Management Group
Massachusetts
$44.1M +$1.33M +66,332 +3%
N
11
Nuveen
North Carolina
$41.8M -$8.19M -407,692 -16%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$36.8M +$2.51M +125,085 +7%
Northern Trust
13
Northern Trust
Illinois
$33.1M -$9M -448,010 -21%
Renaissance Technologies
14
Renaissance Technologies
New York
$29.6M -$21M -1,046,200 -41%
Norges Bank
15
Norges Bank
Norway
$26.1M -$5.84M -290,853 -18%
D.E. Shaw & Co
16
D.E. Shaw & Co
New York
$24.8M -$7.27M -361,903 -22%
Bank of New York Mellon
17
Bank of New York Mellon
New York
$21.8M -$2.59M -128,961 -10%
Arrowstreet Capital
18
Arrowstreet Capital
Massachusetts
$20.8M -$6.63M -330,035 -24%
Invesco
19
Invesco
Georgia
$20.7M -$3.46M -172,314 -14%
Lord, Abbett & Co
20
Lord, Abbett & Co
New Jersey
$16.5M +$5.9M +293,537 +53%
JP Morgan Chase
21
JP Morgan Chase
New York
$16.4M +$3.33M +165,863 +24%
Principal Financial Group
22
Principal Financial Group
Iowa
$15.2M -$86.2K -4,294 -0.5%
Charles Schwab
23
Charles Schwab
California
$14.9M +$254K +12,643 +2%
SSA
24
Schonfeld Strategic Advisors
New York
$14.2M +$14.6M +729,100 New
Two Sigma Advisers
25
Two Sigma Advisers
New York
$12.9M -$2.28M -113,700 -15%

RMBS Hedge Fund Activity: Q1 2021 in Review

213 of the 5,695 institutional investors tracked by Wall St. Rank reported a position in Rambus (RMBS) for Q1 2021, worth a combined $1.86B — up 11% from $1.68B a quarter earlier.

Sellers outnumbered buyers: 38 funds closed out of RMBS and 30 opened new positions — a net loss of 8 holders — while 86 trimmed existing stakes and 57 added.

The largest buyer was Lynrock Lake LP, adding an estimated $21.6M. The largest seller was Renaissance Technologies, cutting an estimated $21M.

  • 213 institutional investors held Rambus (RMBS) as of Q1 2021, down from 224 in Q4 2020.
  • Funds reported $1.86B of Rambus stock for Q1 2021, up 11% quarter-over-quarter.
  • 30 funds opened new Rambus positions in Q1 2021 and 38 closed out, a net change of -8 holders.
  • The largest Rambus buyer in Q1 2021 was Lynrock Lake LP, an estimated $21.6M added.
  • The largest Rambus seller in Q1 2021 was Renaissance Technologies, an estimated $21M sold.

Based on aggregated 13F filings for Q1 2021.