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Rambus
RMBS

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: 2 → 2 (0)

5% less funds holding

Funds holding: 224 → 213 (-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

Top Buyers

Rank Fund Capital Flow
1
LLL
Lynrock Lake LP
New York
+$21.6M
2
Neuberger Berman Group
Neuberger Berman Group
New York
+$21.5M
3
SSA
Schonfeld Strategic Advisors
New York
+$14.6M
4
State Street
State Street
Massachusetts
+$10.8M
5
BlackRock
BlackRock
New York
+$10.4M

Top Sellers

Rank Fund Capital Flow
1
Renaissance Technologies
Renaissance Technologies
New York
-$21M
2
Primecap Management
Primecap Management
California
-$11.5M
3
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$11.3M
4
Northern Trust
Northern Trust
Illinois
-$9M
5
N
Nuveen
North Carolina
-$8.19M
Name Holding Trade Value Shares
Change 		Change in
Stake
State of Wisconsin Investment Board
226
State of Wisconsin Investment Board
Wisconsin
– -$316K -18,100 Closed
PFC
227
Poplar Forest Capital
California
– -$238K -13,654 Closed
Lazard Asset Management
228
Lazard Asset Management
New York
– -$229K -13,146 Closed
FCBT
229
First Citizens Bank & Trust
North Carolina
– -$192K -10,998 Closed
CIBC Asset Management
230
CIBC Asset Management
Ontario, Canada
– -$185K -10,589 Closed
QIM
231
Quantitative Investment Management
Virginia
– -$184K -10,574 Closed
FTDI
232
First Trust Direct Indexing
Massachusetts
– -$67K -3,813 Closed
VCG
233
Vantage Consulting Group
Virginia
– -$65K -3,748 Closed
PWM
234
Perigon Wealth Management
California
– -$64K -3,684 Closed
MIFH
235
Migdal Insurance & Financial Holdings
Israel
– -$51K -2,994 Closed
FC
236
FORA Capital
Florida
– -$43K -2,447 Closed
AW
237
Avion Wealth
Texas
– -$35K -2,000 Closed
PWPS
238
Pinnacle Wealth Planning Services
Ohio
– -$5K -313 Closed
TFA
239
Toth Financial Advisory
Virginia
– -$5K -300 Closed
TWM
240
Tradition Wealth Management
Minnesota
– -$5K -300 Closed
PCG
241
Private Capital Group
Connecticut
– -$3K -142 Closed
ASN
242
Advisory Services Network
Georgia
– -$2K -131 Closed
ABC
243
Associated Banc-Corp
Wisconsin
– -$2K -111 Closed
AssetMark Inc
244
AssetMark Inc
California
– -$2K -100 Closed
FPCG
245
Fort Pitt Capital Group
Pennsylvania
– -$2K -100 Closed
RFA
246
Reilly Financial Advisors
California
– -$1K -50 Closed
6 7 8 9
10

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.