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Rambus

258 hedge funds and large institutions have $2.8B invested in Rambus in 2021 Q4 according to their latest regulatory filings, with 55 funds opening new positions, 84 increasing their positions, 77 reducing their positions, and 29 closing their positions.

New
Increased
Maintained
Reduced
Closed

90% more first-time investments, than exits

New positions opened: 55 | Existing positions closed: 29

35% more capital invested

Capital invested by funds: $2.07B → $2.8B (+$729M)

9% more funds holding

Funds holding: 236258 (+22)

1.58% more ownership

Funds ownership: 85.81%87.38% (+1.6%)

9% more repeat investments, than reductions

Existing positions increased: 84 | Existing positions reduced: 77

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

1% less call options, than puts

Call options by funds: $32.8M | Put options by funds: $33M

Holders
258
Holders Change
+22
Holders Change %
+9.32%
% of All Funds
3.97%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.05%
New
55
Increased
84
Reduced
77
Closed
29
Calls
$32.8M
Puts
$33M
Net Calls
-$215K
Net Calls Change
-$4.84M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$504M +$15.5M +610,638 +4%
Vanguard Group
2
Vanguard Group
Pennsylvania
$349M +$1.34M +52,720 +0.4%
Ameriprise
3
Ameriprise
Minnesota
$159M +$2.13M +83,911 +2%
State Street
4
State Street
Massachusetts
$142M +$2.65M +104,072 +2%
LLL
5
Lynrock Lake LP
New York
$118M -$93.3M -3,667,814 -48%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$107M -$631K -24,832 -0.7%
Neuberger Berman Group
7
Neuberger Berman Group
New York
$102M -$15.3M -601,244 -15%
Loomis, Sayles & Company
8
Loomis, Sayles & Company
Massachusetts
$90.4M +$817K +32,127 +1%
WHG
9
Westwood Holdings Group
Texas
$85.9M +$74.3M +2,921,834 New
Wellington Management Group
10
Wellington Management Group
Massachusetts
$70.2M -$101K -3,979 -0.2%
SAM
11
Silvercrest Asset Management
New York
$68.8M -$2.44M -96,148 -4%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$56.3M +$1.56M +61,451 +3%
Lord, Abbett & Co
13
Lord, Abbett & Co
New Jersey
$50.7M +$24.4M +958,709 +125%
Northern Trust
14
Northern Trust
Illinois
$47.7M -$1.22M -48,023 -3%
N
15
Nuveen
North Carolina
$40.5M -$6.76M -265,873 -16%
D.E. Shaw & Co
16
D.E. Shaw & Co
New York
$39.8M -$3.62M -142,176 -10%
Bank of New York Mellon
17
Bank of New York Mellon
New York
$34.9M +$4.59M +180,473 +18%
Norges Bank
18
Norges Bank
Norway
$32M +$673K +26,484 +2%
Invesco
19
Invesco
Georgia
$30.3M +$4.25M +167,192 +19%
SRFM
20
Shannon River Fund Management
New York
$27.4M +$4.91M +193,000 +26%
Goldman Sachs
21
Goldman Sachs
New York
$26.3M +$15.5M +609,340 +212%
Morgan Stanley
22
Morgan Stanley
New York
$24.8M +$6.95M +273,517 +48%
JP Morgan Chase
23
JP Morgan Chase
New York
$24.5M +$2.17M +85,477 +11%
Millennium Management
24
Millennium Management
New York
$22.9M -$2.1M -82,449 -10%
Charles Schwab
25
Charles Schwab
California
$22.8M +$485K +19,083 +3%

RMBS Hedge Fund Activity: Q4 2021 in Review

258 of the 6,498 institutional investors tracked by Wall St. Rank reported a position in Rambus (RMBS) for Q4 2021, worth a combined $2.8B — up 35% from $2.07B a quarter earlier.

Buyers outnumbered sellers: 55 funds opened new RMBS positions and 29 closed out — a net gain of 26 holders — while 84 added to existing stakes and 77 trimmed.

The largest buyer was Westwood Holdings Group, opening a new position worth an estimated $74.3M. The largest seller was Lynrock Lake LP, cutting an estimated $93.3M.

  • 258 institutional investors held Rambus (RMBS) as of Q4 2021, up from 236 in Q3 2021.
  • Funds reported $2.8B of Rambus stock for Q4 2021, up 35% quarter-over-quarter.
  • 55 funds opened new Rambus positions in Q4 2021 and 29 closed out, a net change of +26 holders.
  • The largest Rambus buyer in Q4 2021 was Westwood Holdings Group, an estimated $74.3M added.
  • The largest Rambus seller in Q4 2021 was Lynrock Lake LP, an estimated $93.3M sold.

Based on aggregated 13F filings for Q4 2021.