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552 hedge funds and large institutions have $9.18B invested in Rambus in 2025 Q4 according to their latest regulatory filings, with 102 funds opening new positions, 190 increasing their positions, 194 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

89% more first-time investments, than exits

New positions opened: 102 | Existing positions closed: 54

40% more call options, than puts

Call options by funds: $65.1M | Put options by funds: $46.4M

8% more funds holding

Funds holding: 513552 (+39)

0.93% more ownership

Funds ownership: 91.78%92.72% (+0.93%)

2% less repeat investments, than reductions

Existing positions increased: 190 | Existing positions reduced: 194

11% less capital invested

Capital invested by funds: $10.3B → $9.18B (-$1.11B)

50% less funds holding in top 10

Funds holding in top 10: 63 (-3)

Holders
552
Holders Change
+39
Holders Change %
+7.6%
% of All Funds
6.71%
Holding in Top 10
3
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-50%
% of All Funds
0.04%
New
102
Increased
190
Reduced
194
Closed
54
Calls
$65.1M
Puts
$46.4M
Net Calls
+$18.7M
Net Calls Change
-$41.3M
Name Holding Trade Value Shares
Change
Change in
Stake
CGH
301
Crossmark Global Holdings
Texas
$602K +$2.46K +25 +0.4%
IAN
302
Integrated Advisors Network
Texas
$595K -$82.1K -834 -11%
HCS
303
Himension Capital (Singapore)
Singapore
$594K +$393K +3,990 +162%
ACM
304
Argent Capital Management
Missouri
$588K +$630K +6,403 New
HCA
305
Harbor Capital Advisors
Illinois
$588K -$280K -2,847 -31%
Calamos Advisors
306
Calamos Advisors
Illinois
$580K -$298K -3,026 -32%
HIP
307
HUB Investment Partners
Texas
$575K -$2.07K -21 -0.3%
IA
308
Inspire Advisors
Idaho
$572K +$612K +6,220 New
RP
309
Regal Partners
Australia
$551K +$197K +2,000 +50%
GXJ
310
Global X Japan
Japan
$546K +$55.1K +560 +10%
AI
311
Atria Investments
North Carolina
$546K -$131K -1,332 -18%
MEAC
312
M.E. Allison & Co
Texas
$542K
I
313
InceptionR
California
$534K -$575K -5,846 -50%
GCA
314
Greenwood Capital Associates
South Carolina
$520K -$69.4K -705 -11%
Qube Research & Technologies (QRT)
315
Qube Research & Technologies (QRT)
United Kingdom
$519K -$2.31M -23,469 -81%
AWM
316
AE Wealth Management
Kansas
$510K +$30.8K +313 +6%
TSS
317
Two Sigma Securities
New York
$510K +$201K +2,047 +58%
Squarepoint
318
Squarepoint
New York
$505K +$541K +5,496 New
GRP
319
Global Retirement Partners
California
$502K +$314K +3,195 +141%
Jane Street
320
Jane Street
New York
$501K -$18.5M -187,695 -97%
Northwestern Mutual Wealth Management
321
Northwestern Mutual Wealth Management
Wisconsin
$493K +$73.9K +751 +16%
AA
322
ALPS Advisors
Colorado
$492K +$5.81K +59 +1%
CCM
323
Coldstream Capital Management
Washington
$489K -$38K -386 -7%
SAI
324
Systematic Alpha Investments
New Jersey
$487K +$522K +5,300 New
Aviva
325
Aviva
United Kingdom
$482K -$53.1K -540 -9%