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553 hedge funds and large institutions have $8.82B invested in Rambus in 2026 Q1 according to their latest regulatory filings, with 84 funds opening new positions, 185 increasing their positions, 208 reducing their positions, and 74 closing their positions.

New
Increased
Maintained
Reduced
Closed

85% more call options, than puts

Call options by funds: $49.5M | Put options by funds: $26.8M

14% more first-time investments, than exits

New positions opened: 84 | Existing positions closed: 74

2.3% more ownership

Funds ownership: 92.72%95.02% (+2.3%)

0% more funds holding

Funds holding: 552553 (+1)

4% less capital invested

Capital invested by funds: $9.18B → $8.82B (-$353M)

11% less repeat investments, than reductions

Existing positions increased: 185 | Existing positions reduced: 208

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

Holders
553
Holders Change
+1
Holders Change %
+0.18%
% of All Funds
6.81%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.02%
New
84
Increased
185
Reduced
208
Closed
74
Calls
$49.5M
Puts
$26.8M
Net Calls
+$22.7M
Net Calls Change
+$4.03M
Name Holding Trade Value Shares
Change
Change in
Stake
Lido Advisors
301
Lido Advisors
California
$537K -$10.2K -102 -2%
BPA
302
Beacon Pointe Advisors
California
$536K +$622K +6,231 New
MM
303
Monolith Management
Hong Kong
$533K +$619K +6,200 New
GXJ
304
Global X Japan
Japan
$520K +$9.98K +100 +2%
CUAMC
305
China Universal Asset Management Company
China
$516K -$99.8K -1,000 -14%
CBU
306
CIBC Bancorp USA
Illinois
$509K +$591K +5,922 New
ISS
307
Intesa Sanpaolo SpA.
Italy
$509K -$339K -3,400 -35%
MEAC
308
M.E. Allison & Co
Texas
$507K
GAM
309
Gotham Asset Management
New York
$505K -$1.19M -11,918 -67%
MG
310
Marex Group
$485K +$562K +5,634 New
GCA
311
Greenwood Capital Associates
South Carolina
$482K -$5.69K -57 -1%
Marshall Wace
312
Marshall Wace
United Kingdom
$475K -$1.08M -10,774 -66%
MML Investors Services
313
MML Investors Services
Massachusetts
$471K -$376K -3,770 -41%
Jane Street
314
Jane Street
New York
$467K -$2.89K -29 -0.5%
CP
315
CenterBook Partners
Connecticut
$466K +$540K +5,412 New
CCM
316
Coldstream Capital Management
Washington
$458K +$798 +8 +0.2%
SAI
317
Systematic Alpha Investments
New Jersey
$456K
AA
318
ALPS Advisors
Colorado
$453K -$8.48K -85 -2%
HIP
319
HUB Investment Partners
Texas
$452K -$100K -1,002 -16%
DnB Asset Management
320
DnB Asset Management
Norway
$450K +$522K +5,233 New
JF
321
Jump Financial
Illinois
$444K -$632K -6,335 -55%
BIG
322
Brooklyn Investment Group
New York
$442K +$135K +1,357 +36%
Commonwealth Equity Services
323
Commonwealth Equity Services
Massachusetts
$439K +$20.3K +203 +4%
RT
324
Rockland Trust
Massachusetts
$430K
William Blair & Company
325
William Blair & Company
Illinois
$427K -$9.48K -95 -2%