Hyliion Holdings Corp.· HYLN

🇺🇸 US · SmallBroad USAMEX

Consumer CyclicalAuto - PartsWebsite

Price: $4.09
Day: +8.49%
Mkt Cap: $729.36M
52W Range: $1.47 – $8.49
Volume: 2.33M
Beta: 3.56

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

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stockoscope.com

Hyliion Holdings Corp.

HYLN|Consumer Cyclical|Auto - Parts

Current price: $4

Smart Money

Dimension 5 of 5

Insider Activity, Q2 2025

Latest scored quarter, net flow, and top transactions by value

Net dollar flow$73.8K

Net share flow+65.0K

Purchases3 ($73.8K)

Sales0 ($0)

Top Notable Transactions

Insider

Type

Value

Date

Tortoise Borrower LLC

Purchase

$76.6M

Mar 4

Polar Asset Management Partners Inc.

Sale

$13.8M

Jun 19

Polar Asset Management Partners Inc.

Sale

$3.6M

Jun 19

Institutional Ownership, Q1 2026

Ownership share, position changes, share flow, and top holders

Ownership28.0%

13F share flow-3.4%

Investors holding150

+97 adding-54 reducing

New 29Inc 68Red 41Closed 13

Top Institutional Holders

Institution

Value

Change

BLACKROCK, INC.

$15.6M

+3.3%

GENERAL ELECTRIC CO

$9.7M

+0.1%

INVESCO LTD.

$6.6M

-40.3%

GEODE CAPITAL MANAGEMENT, LLC

$5.4M

+3.7%

ETF & Mutual Fund Activity, Q2 2026

Latest meaningful quarter: fund-by-fund buying / unchanged / selling

Funds reporting49

Total shares held15.2M

Share flow-10.0%

12 buying8 selling

Buying 12Unchanged 29Selling 8

Top Fund Holders

Fund

Weight

Change

iSHARES TRUST

4.5M

0.03%

FIDELITY CONCORD STREET TRUST

1.1M

0.41%

+28.8K

VANGUARD SCOTTSDALE FUNDS

746.8K

0.03%

+32.1K

SCHWAB STRATEGIC TRUST

680.2K

0.22%

-8.9K

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

Explore HYLN on stockoscope.com→

Generated August 5, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

HYLN Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

4.0/5

Bullish

Weighted across 3 components

Component Breakdown (2 of 3 available)

Insider Activity

40% weight

Institutional Flow

50% weight

+52

Fund Flow

10% weight

+25

Overall Smart Money sentiment of 4.0/5 (Bullish) based on a weighted combination of 2 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated August 4, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Activity for HYLN

Net insider share flow by quarter (C-suite & director purchases minus sales)

No Data

No recent insider signal

Most recent insider filing was Q3 2025.

Notable Recent Transactions, HYLN

Top 8 highest-value recent insider trades

Tortoise Borrower LLC

Insider

Buy

6,660,183 shares at $11.50

Mar 4, 2019$76.59M

Polar Asset Management Partners Inc.

Insider

Sell

1,000,000 shares at $13.78

Jun 19, 2020$13.78M

Polar Asset Management Partners Inc.

Insider

Sell

250,000 shares at $14.50

Jun 19, 2020$3.63M

Healy Thomas J.

Director

Sell

300,000 shares at $9.33

May 19, 2021$2.80M

Polar Asset Management Partners Inc.

Insider

Sell

200,000 shares at $13.13

Jun 19, 2020$2.63M

Healy Thomas J.

CEO

Sell

300,000 shares at $8.31

Nov 1, 2021$2.49M

JENKINS HOWARD M

Director

Sell

319,635 shares at $7.45

Nov 16, 2021$2.38M

Healy Thomas J.

Director

Sell

200,000 shares at $11.65

Jun 30, 2021$2.33M

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Ownership Over Time for HYLN

Total dollar value invested by institutions each quarter

Bullish Signal

Institutions accumulating in Q1 2026

28.0% institutional ownership

Moderate accumulation: 97 adding vs 54 reducing

13F shares increased by 1.1%, a modest change

Momentum improving from prior quarter

Position Changes

Q2 2026: how are institutions adjusting their positions?

+35 growing-117 shrinkingNet: -82

112

New (12)

Increased (23)

Reduced (5)

Closed (112)

Top Institutional Holders, HYLN

Largest 8 institutional positions by ownership percentage as of Q2 2026

GENERAL ELECTRIC CO

5.5M

$28.7M

Ownership

3.10%

No change

PALISADES INVESTMENT PARTNERS, LLC

907.9K

$4.7M

Ownership

0.51%

+100.0%

NEW YORK STATE COMMON RETIREMENT FUND

255.1K

$1.3M

Ownership

0.14%

+563.4%

CITIGROUP INC

248.7K

$1.3M

Ownership

0.14%

+317.4%

HIDDEN COVE WEALTH MANAGEMENT, LLC

46.2K

$240.9K

Ownership

0.03%

+100.0%

CAITONG INTERNATIONAL ASSET MANAGEMENT CO., LTD

41.2K

$214.4K

Ownership

0.02%

+108.6%

VONTOBEL HOLDING LTD.

37.1K

$193.3K

Ownership

0.02%

+100.0%

POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY

35.7K

$185.8K

Ownership

0.02%

No change

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q2 2026: 49 ETFs and mutual funds reporting

12 buying8 sellingNet: +4

Buying (12)

Unchanged (29)

Selling (8)

Bullish Signal

Funds accumulating in Q2 2026

49 ETFs and mutual funds reporting

12 funds buying vs 8 selling

Top Fund Holders, HYLN

Largest 8 ETF and mutual fund positions by shares held as of latest filing

iSHARES TRUST

4.5M

Weight

0.03%

No change

FIDELITY CONCORD STREET TRUST

1.1M

Weight

0.41%

Increased

VANGUARD SCOTTSDALE FUNDS

746.8K

Weight

0.03%

Increased

SCHWAB STRATEGIC TRUST

680.2K

Weight

0.22%

Decreased

ALPS ETF Trust

537.1K

Weight

1.45%

No change

VANGUARD WORLD FUND

147.0K

Weight

0.05%

Increased

AMERICAN CENTURY ETF TRUST

146.1K

Weight

0.06%

Increased

TRUST FOR PROFESSIONAL MANAGERS

136.7K

Weight

0.03%

No change

Hyliion Holdings Corp.· HYLN

Holdings Analysis

Insider Trading Activity

1.3Transaction History66Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings62Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History66Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings62Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights