BOLD

Boundless Bio Inc$2.49 0.81%
Health CareUSCUSIP 10170A100· EOD Jul 16, 2026◍ Confluence graph
Tracked 13F Holders
29
+0 QoQ
13F Value (tracked)
$7.5M
Insider Net · 180d
$1.4M
1↑ 2↓
Recent Filings
15
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)4 adding · 5 trimming
Insider net (180d)+$1.4M

Price & smart-money activity

$2.49 0.81%2Y -82.5%
$0.93$4.52$8.12$11.71$15.31202420252026819714479377910385535192
Hover for who · click for detailEnd-of-day closing prices52w $1.05 – $2.60

Who owns BOLD?

29 tracked 13F filers

29 tracked 13F filers disclose a position in BOLD as of the latest SEC 13F filings, a combined $7.5M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

All quarters use one ordinary-share-equivalent series. Historical ADS are converted at 2 ADS = 1 ordinary share. Expand a row for the exact calculation; the residual is not classified as a trade.
#FundPosition valueSharesLast moveAs ofHistory
1FMR LLC
$3.0M
2.7M
+0.4%
Added · +11K sh
Q1 2026
2CITADEL ADVISORS LLC
$1.5M
1.3M
−0.9%
Reduced · −12K sh
Q1 2026
3SECTORAL ASSET MANAGEMENT INC
$746K
679K
Held
Q1 2026
4VANGUARD CAPITAL MANAGEMENT LLC
$657K
597K
First observed position
No prior filed position
Q1 2026
5RENAISSANCE TECHNOLOGIES LLC
$439K
399K
+17%
Added · +58K sh
Q1 2026
6Alyeska Investment Group, L.P.
$330K
300K
Held
Q1 2026
7Ensign Peak Advisors, Inc
$206K
188K
Held
Q1 2026
8GEODE CAPITAL MANAGEMENT, LLC
$140K
128K
+36%
Added · +33K sh
Q1 2026
9MILLENNIUM MANAGEMENT LLC
$110K
100K
−26%
Reduced · −36K sh
Q1 2026
10BlackRock, Inc.
$78K
71K
+5.4%
Added · +4K sh
Q1 2026
11VANGUARD FIDUCIARY TRUST CO
$72K
65K
First observed position
No prior filed position
Q1 2026
12BRIDGEWAY CAPITAL MANAGEMENT, LLC
$56K
51K
Held
Q1 2026
13Walleye Capital LLC
$44K
40K
Held
Q1 2026
14XTX Topco Ltd
$38K
35K
−12%
Reduced · −5K sh
Q1 2026
15Qube Research & Technologies Ltd
$19K
17K
−6.5%
Reduced · −1K sh
Q1 2026
16Squarepoint Ops LLC
$18K
16K
New
+16K sh
Q1 2026
17STATE STREET CORP
$18K
16K
Held
Q1 2026
18MORGAN STANLEY
$14K
13K
Held
Q1 2026
19Pure Financial Advisors, LLC
$11K
10K
New
+10K sh
Q1 2026
20CITIGROUP INC
$10K
9K
−65%
Reduced · −16K sh
Q1 2026
21Tower Research Capital LLC (TRC)
$3K
2K
−59%
Reduced · −3K sh
Q1 2026
22Vanguard Global Advisers, LLC
$472
429
First observed position
No prior filed position
Q1 2026
23BNP PARIBAS FINANCIAL MARKETS
$196
178
+1.1%
Added · +2 sh
Q1 2026
24JPMORGAN CHASE & CO
$183
169
Held
Q1 2026
25Optiver Holding B.V.
$185
168
Held
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is BOLD being bought or sold by institutions?

Last quarter, 3 funds opened a new position in BOLD and 1 added to an existing one, while 5 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
3
funds
Added
1
funds
Reduced
5
funds
Exited
0
funds

Funds that own BOLD also own

CompanyCo-held byCombined value
NVIDIA CORPNVDA8 funds$9.5B
AMAZON.COM INCAMZN8 funds$5.4B
MICROSOFT CORPMSFT8 funds$4.3B
META PLATFORMS INC-CLASS AMETA8 funds$3.3B
ALPHABET INC-CL AGOOGL8 funds$3.2B
BROADCOM INCAVGO8 funds$2.6B
JPMORGAN CHASE & COJPM8 funds$1.9B
MASTERCARD INC - AMA8 funds$1.5B
JOHNSON & JOHNSONJNJ8 funds$1.4B
MERCK & CO. INC.MRK8 funds$1.2B
ELI LILLY & COLLY8 funds$1.2B
HOME DEPOT INCHD8 funds$1.2B

Ranked by how many of BOLD's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$1.5M
1 insiders
Sells · 180d
$80K
2 insiders
Net
$1.4M
21 P/S txns
Signal
Net Buying
open-market
DateInsiderRoleActionSharesValue
Jul 16, 2026TANG KEVIN10% OwnerBuy (P)18K$45K
Jul 15, 2026TANG KEVIN10% OwnerBuy (P)2K$4K
Jul 14, 2026TANG KEVIN10% OwnerBuy (P)44K$107K
Jul 13, 2026TANG KEVIN10% OwnerBuy (P)48K$117K
Jul 10, 2026TANG KEVIN10% OwnerBuy (P)43K$105K
Jul 9, 2026TANG KEVIN10% OwnerBuy (P)7$17
Jul 8, 2026TANG KEVIN10% OwnerBuy (P)14K$35K
Jul 7, 2026TANG KEVIN10% OwnerBuy (P)16K$39K
Jul 6, 2026TANG KEVIN10% OwnerBuy (P)27K$67K
Jul 2, 2026TANG KEVIN10% OwnerBuy (P)10K$24K
Jul 1, 2026TANG KEVIN10% OwnerBuy (P)72K$178K
Jul 1, 2026CRANDELL KEITH10% OwnerSell (S)16K$40K

Institutional ownership over time

28 funds-12 since Q3 2024
02244Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $7.5M

Recent filings

15 shown

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Ask your agent what changed in BOLD

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/BOLD/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for BOLD.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for BOLD. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.