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815 hedge funds and large institutions have $12.9B invested in Rivian in 2026 Q2 according to their latest regulatory filings, with 105 funds opening new positions, 293 increasing their positions, 224 reducing their positions, and 81 closing their positions.

New
Increased
Maintained
Reduced
Closed

50% more funds holding in top 10

Funds holding in top 10: 69 (+3)

31% more repeat investments, than reductions

Existing positions increased: 293 | Existing positions reduced: 224

30% more first-time investments, than exits

New positions opened: 105 | Existing positions closed: 81

29% more capital invested

Capital invested by funds: $9.96B → $12.9B (+$2.89B)

5.49% more ownership

Funds ownership: 53.58%59.07% (+5.5%)

1% more funds holding

Funds holding: 808815 (+7)

18% less call options, than puts

Call options by funds: $1.33B | Put options by funds: $1.63B

Holders
815
Holders Change
+7
Holders Change %
+0.87%
% of All Funds
9.84%
Holding in Top 10
9
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+50%
% of All Funds
0.11%
New
105
Increased
293
Reduced
224
Closed
81
Calls
$1.33B
Puts
$1.63B
Net Calls
-$293M
Net Calls Change
-$27.1M
Name Holding Trade Value Shares
Change
Change in
Stake
ACI
1
Amazon.com Inc
Washington
$2.75B
BlackRock
2
BlackRock
New York
$979M +$38.2M +2,448,064 +5%
Baillie Gifford & Co
3
Baillie Gifford & Co
United Kingdom
$750M -$9.53M -611,152 -1%
Vanguard Capital Management
4
Vanguard Capital Management
Pennsylvania
$681M -$15.4M -990,512 -2%
Vanguard Portfolio Management
5
Vanguard Portfolio Management
Pennsylvania
$604M -$19.5M -1,249,388 -3%
State Street
6
State Street
Massachusetts
$389M +$28.1M +1,801,150 +9%
JP Morgan Chase
7
JP Morgan Chase
New York
$381M -$2.03M -130,158 -0.6%
SPC
8
Slate Path Capital
New York
$381M +$343M +21,978,400 New
D.E. Shaw & Co
9
D.E. Shaw & Co
New York
$361M +$190M +12,203,342 +141%
U
10
Uber
California
$339M +$305M +19,553,911 New
Two Sigma Investments
11
Two Sigma Investments
New York
$333M +$150M +9,624,687 +101%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$278M +$11.8M +753,671 +5%
UBS AM
13
UBS AM
Illinois
$226M -$1.45M -92,859 -0.7%
Norges Bank
14
Norges Bank
Norway
$202M +$181M +11,617,138 New
Morgan Stanley
15
Morgan Stanley
New York
$200M +$18.5M +1,183,446 +11%
Capital World Investors
16
Capital World Investors
California
$193M +$2.58M +165,113 +2%
UBS Group
17
UBS Group
Switzerland
$189M +$9.57M +613,391 +6%
Fidelity Investments
18
Fidelity Investments
Massachusetts
$148M -$2.17M -139,321 -2%
Northern Trust
19
Northern Trust
Illinois
$141M +$7.31M +468,867 +6%
Capital International Investors
20
Capital International Investors
California
$140M -$33.6M -2,154,838 -21%
Dimensional Fund Advisors
21
Dimensional Fund Advisors
Texas
$136M +$6.49M +415,823 +6%
Renaissance Technologies
22
Renaissance Technologies
New York
$132M -$51.7M -3,317,300 -30%
Marshall Wace
23
Marshall Wace
United Kingdom
$124M +$54.8M +3,512,799 +96%
Amundi
24
Amundi
France
$121M +$2.72M +174,662 +3%
Citigroup
25
Citigroup
New York
$106M -$39.7M -2,547,235 -29%

RIVN Hedge Fund Activity: Q2 2026 in Review

815 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in Rivian (RIVN) for Q2 2026, worth a combined $12.9B — up 29% from $9.96B a quarter earlier.

Buyers outnumbered sellers: 105 funds opened new RIVN positions and 81 closed out — a net gain of 24 holders — while 293 added to existing stakes and 224 trimmed.

The largest buyer was Slate Path Capital, opening a new position worth an estimated $343M. The largest seller was Renaissance Technologies, cutting an estimated $51.7M.

  • 815 institutional investors held Rivian (RIVN) as of Q2 2026, up from 808 in Q1 2026.
  • Funds reported $12.9B of Rivian stock for Q2 2026, up 29% quarter-over-quarter.
  • 105 funds opened new Rivian positions in Q2 2026 and 81 closed out, a net change of +24 holders.
  • The largest Rivian buyer in Q2 2026 was Slate Path Capital, an estimated $343M added.
  • The largest Rivian seller in Q2 2026 was Renaissance Technologies, an estimated $51.7M sold.

Based on aggregated 13F filings for Q2 2026.