Who holds ticker verified against the SEC company list on 2026-09-10 — a reviewed name-and-class mapping row, never an inferred symbol. how tickers are mapped ↗

PACKAGING CORP AMER · common stock (filed as COM) · Q1 2026 · 10 members disclosed PKG ↗
13F filers reporting this class for the quarter ended 2026-03-31; 1–500 of 635 holders are listed, largest first
635
sum of the reported values across every holder; undisclosed values are left out, never counted as zero
$13.6B
holders whose share count rose or who opened the position (new + add), by shares
303
holders absent this quarter after holding last quarter — inferred from absence, not a sale record
75
FILING WINDOW OPEN
Q3 2026 filings are due by 2026-11-16 — figures for that quarter will change; missing filers are not zeros.

Holders — quarter ended 2026-03-31

by reported value · Δ shares vs 2025-12-31Holders rank by reported value. The change kind — new, add, trim or exit — is read from the share count against the prior quarter, never from the reported value.
13F holders of PKG ranked by reported value, 1–25 of 635 holders
#FilerReported valueSharesΔ sharesChange
1BlackRock, Inc.$1.6B7,706,574−75,742TRIM
2VANGUARD CAPITAL MANAGEMENT LLC$1.2B5,802,254—NO PRIOR
3VANGUARD PORTFOLIO MANAGEMENT LLC$930M4,380,570—NO PRIOR
4STATE STREET CORP$906M4,244,444+58,683ADD
5FIL Ltd$607M2,857,923+64,987ADD
6ROYAL BANK OF CANADA$493M2,323,010+467,590ADD
7AMERICAN CENTURY COMPANIES INC$439M2,066,537−89,937TRIM
8VICTORY CAPITAL MANAGEMENT INC$430M2,024,118−285,294TRIM
9Boston Partners$332M1,566,890−67,669TRIM
10Atlas FRM LLC$325M1,532,500+542,500ADD
11BANK OF AMERICA CORP /DE/$322M1,518,100+39,118ADD
12MORGAN STANLEY$321M1,510,560+217,200ADD
13DIMENSIONAL FUND ADVISORS LP$275M1,296,667+32,698ADD
14FMR LLC$254M1,197,395+15,277ADD
15Invesco Ltd.$239M1,128,390+48,858ADD
16MILLENNIUM MANAGEMENT LLC$237M1,115,665−709,142TRIM
17Select Equity Group, L.P.$217M1,023,041+535,943ADD
18NORTHERN TRUST CORP$200M940,349−110,952TRIM
19CHARLES SCHWAB INVESTMENT MANAGEMENT INC$183M860,430−2,618,075TRIM
20STIFEL FINANCIAL CORP$119M563,022+8,884ADD
21VANGUARD FIDUCIARY TRUST CO$107M503,234—NO PRIOR
22WELLS FARGO & COMPANY/MN$104M492,043+41,046ADD
23Legal & General Group Plc$103M485,717−5,368TRIM
24PRINCIPAL FINANCIAL GROUP INC$102M480,396−12,325TRIM
25AQR CAPITAL MANAGEMENT LLC$100M476,131−374,286TRIM
Show the top 500 of 635 holders
Truncated by Public Filings. Top 500 of 635 holders shown; the rest are on EDGAR. Method ↗
Newest filing in this build: 2026-07-31. Per-row filing dates are on each receipt.

Congress ↔ notable managers · PKG

Congress · last 90 days

Buyers
0 — —
Sellers
1 April McClain Delaney D–MD-6 $50K–$100K

filed 2026-07-31 → 2026-10-29 · statutory ranges

Use of congressional disclosure reports for commercial purposes, credit decisions or solicitation is restricted by 5 U.S.C. §13107(c).

Notable managers · quarter ended 2026-03-31

Adding
0 — $0 held

by shares · $ = value heldNEW + ADD vs TRIM + EXIT, by share count. $ = reported value now, not the change. · PACKAGING CORP AMER

Merged timeline of congressional filings and notable-manager moves on PKG
DateWhoChangeSize
2026-09-09April McClain Delaney CongressSELL$50K–$100K
2026-05-15Gotham Asset Management 13FTRIM−299 sh
2026-05-15Bridgewater Associates 13FEXIT−2,516 sh
2026-05-15Moore Capital Management 13FEXIT−178,712 sh

4 newest, by filing date · 13F rows are quarter-end snapshots, not trades

A 13F is a quarterly, long-only snapshot filed up to 45 days late — not current holdings. what a 13F covers ↗

13F reports cover LONG positions in Section 13(f) securities (US exchange-traded equities plus reportable options, warrants, certain convertibles) held by managers with at least $100M in such securities — so managers below that threshold are absent entirely. No short positions, no cash, no non-13(f) assets — not a full portfolio, and not a census of institutional ownership.

Positions are quarter-end snapshots filed up to 45 days late — not current holdings: a position may have changed or closed since the quarter ended.

Values are the manager's stated market value at quarter-end in era-dependent units (whole dollars for form versions effective 2023-01-03 onward, thousands before), normalized here to whole dollars; each record notes its original unit.

Affiliated managers may report the same position, so one position can appear under more than one filer.

Positions under confidential treatment may be omitted until a later amendment discloses them.

These are disclosures, not investment advice.